REX22D-TA1-100-DC24V-16A E-T-A | Alldatasheet
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INTELLIGENT ELECTRONIC CIRCUIT PROTECTOR REX22D-T REX22D-T E-T-A’s com pact and flexible REX system represents a com pre- hensive DC 24 V protection- and power distribution solution for the machine building industry. It is a perfectly harmonised system including power supply, overcurrent protection, power distribution and bus controller. The REX22D-T selectively protects all DC 24 V load circuits up to
20 A and linearly limits the output current when switching on or
before tripping. The limitation limits the rated current in the event of a short circuit. This allows effective and calculable protection of switch mode power supplies, even with small power reserves. INTELLIGENT ELECTRONIC CIRCUIT PROTECTOR REX22D-T TYPICAL FEATURES YOUR BENEFITS
- Devices including supply module, overcurrent protection, power distribution module and bus controller
- Remote control, parametrising, diagnosis and monitoring via IO link, M odbus-RTU or fieldbus system s in the CPC12 ControlPlex® Controller
- BASE and COM mode in a single module
- Fixed rated current increments between 12 A - 20 A
- Rated current adjustable up to 20 A
- No accessories required for connecting the components
- Increased transparency and flexibility through adjustable current ratings via slide switch
- Reduced dow ntim es through calculable lim ited m ax. current
- Increased availability as even loads with higher current require- ments can be protected without nuisance tripping
- Provides flexibility through autom atic operating m ode recognition PREFERRED TYPES Preferred types are E-T-A products, w hich are m ost frequently used by our custom ers. W e m anufacture these preferred types in substantial quantities. You can /f_ind an overview of our preferred types here (Page 8). TYP. APPLICATIONS APPROVALS / CERTIFICATIONS Machine building industry, Automation, Car production WEB LINKS COMPLIANCE Further information, Mounting and operation (videos), International approvals, Technical basics, REACH , RoHS , Contact global.e-t-a.com 3525
INTELLIGENT ELECTRONIC CIRCUIT PROTECTOR REX22D-T GENERAL INFORMATION SAFETY AND INSTALLATION INSTRUCTIONS Installation must be done by a qualified electrician.
- The EM12D-T circuit protector is only intended for use with extra-low voltage (DC 24 V).
- Connection to higher or not selectively protected voltages can cause harmful conditions or damage.
- The device must only be supplied with power after proper installation.
- When a circuit protector has tripped and before the reset, the cause of the failure (short circuit or overload) must be remedied.
- The national standards (e.g. in Germany DIN VDE 0100) for installation and selection of the feed and return cables must be observed.
- When operating in COM mode, please observe the separate EM12D or CPC12 instruction manual. - The buttons must only be operated without tools. Electrostatically sensitive sub-assemblies can be destroyed by voltages far below the human perception threshold. These vol- tages already occur if you touch a component or electrical terminals of a component without being electrostatically dischar- ged. The damage of a sub-assembly caused by an overvoltage is often not immediately recognised, but will be noticed only af- ter a longer operating time. Caution: Exchange / disassembly only in dead-voltage condition! Potentials will be interrupted. Mounting instruction: Mounting or actuation of the REX connector arm must only be effected at dead-voltage. For start-up, the REX connector arm must be closed. A maximum of 40 modules can be mounted in total. Note: Observe the data sheets for electronic circuit protectors in the REX portfolio, assembly /disassembly on DIN rail / moun- ting direction / m ounting area / sealing / application exam ple and m any m ore. OPERATING INSTRUCTIONS General operating instructions Selection of rated current of the circuit protector ≤ Rated current of the power supply. Requesting the currently set rated cur- rent You can enquire the currently set rated current for each channel independently of the operating mode (COM or BASE) directly at the REX22D-TE2. Start the enquiry mode by pushing the button between >= 2 seconds and < 5 seconds. After releasing the button, the LED briefly lights up in RED to indicate the start of the enquiry. The LED then indicates the set rated current by flashing O RAN G E. The adjusted rated current is indicated through the num ber of flashing cycles. E.g. when the LED is blinking 6 times, the rated current is set to 6 Ampere. When the adjusted current rating is set, the LED lights up in RED again to indicate the start of the signalling. The en- quiry mode is left after the adjusted current rating was signalled 5 times or by pressing the button. The display will now show the current operating condition again. The enquiry mode is available in all operating conditions. Rated current settings The rated current of the REX12D-TE2 can be set both in BASE mode and in COM mode. The BASE or COM mode setting (without active connection to the superordinate control unit) is started per channel via pressing the momentary switch for >= 5 seconds. After releasing the button, the LED lights up in RED to indicate the start of the adjustment. The LED then flashes GREEN to si- gnal the rated current to be set. After reaching the m ax. adjustm ent value, signalling re-starts. The sw itch-over from the m axim um to the m inim um setting value is indicated through a short red fla- shing of the LED. The current rating to be set is acknowledged by pressing the button during the blinking period of 1 A up to the max. setting value. If for instance the button is pressed after the 6th flashing of the GREEN LED, the set rated current is 6 A and the display shows the current operating condition again. If the button is not pressed, the adjustment mode is left after 5 times signalling the current rating range without a new current rating to be set and the display switches back to the current operating condition. The enquiry mo- de is available in all operating conditions. In the COM mode, settings can be adjusted via the ac- tive connection to the superordinate control unit, see operating instructions. FURTHER INFORMATION Mounting and operation (videos) https://www.e-t-a.de/index.php?id=17311 TECHNICAL DATA (T u = +23 °C, Ub = DC 24 V) ELECTRICAL DATA Rated voltage Un DC 24 V Operating voltage Ub 18...32 V (no battery-buffered applications) Rated current type Fixed and adjustable current ratings: Current ratings w ith different current ratings from 1 A to 20 A see ordering num ber key. Parallel connection of several load out- puts Not admissible global.e-t-a.com 3525
INTELLIGENT ELECTRONIC CIRCUIT PROTECTOR REX22D-T Condition as delivered Condition as delivered max. rated current Assembly status: ON O ption: O FF, see ordering num ber key Quiescent current I0 REX22D-Tx1 1-channel in ON condition: typ. 11 mA REX22D-Tx2 2-channel in ON condition: typ. 16 mA Reverse polarity protection Yes, w ithout load Operating condition signal Multi-coloured LED LED for operating condition signallingGreen:
- Device O N Load circuit sw itched through Green/orange blinking:
- Device O N Load current w arning lim it reached Orange:
- Overload or short circuit until electronic disconnection
- Circuit protector w as sw itched off by the superordinate control unit, LED is continuously orange Red:
- After overload or short circuit disconnection
- In the event of low voltage disconnection of the operating voltage in ON condition with automa- tic reset OFF:
- Device sw itched off via O N /O FF m om entary sw itch
- No operating voltage
- Activated fail safe element or defective initialisation of the circuit protector Load current measurement 1...10 A types Measuring accuracy ± 5 % ± 0.1 A 10...20 A types Measuring accuracy ± 5 % ± 0.3 A Load voltage measurement Measuring accuracy ± 3 % ± 0.1 V Output (load circuit) Power MOSFET switching output (plus switching) Exception: In 3.6 A CL2 typ. 1.05 In - trip time typ. 3 s Short circuit behaviour Active current limitation typ. 2.5 In, 1 A typ. 1.6 In, 2 A - 5 A typ. 1.4 In, 6 A - 20 A see time/current characteristic Switch-on performance - factory set- tings Last condition Load current warning limit (IWLimit) - factory settings (no COM mode) Typ. 0.9 ln Load current warning limit (IWLimit) - factory settings (in COM mode) Typ. 0.8 ln Switch-on performance - setting range (in COM mode) Last condition Rated current - setting range (in COM mode)
1 A - 3,6 A; 1 A - 10 A in 1 A increments
Load current warning limit (IWLimit) - setting range (in COM mode) /uni00A00.5...1 ln (parametrisable) Hysteresis - load current warning limitTyp. 5 % Operating voltage monitoring for low voltage OFF : at typ. Ub < 16.0 V ON: at typ. Ub > 19.0 V With automatic OFF and ON operation Hysteresis - operating voltage monito- ring 2 V Switch-on delay - when power ON Channel 1: typ. 1500 ms (depending on slot) Channel 2: typ. 1600 ms (depending on slot) Switch-on delay when switching on via ON/OFF switch Channel 1: typ. 5 ms Channel 2: typ. 100 ms Switch-on delay after low voltage Channel 1: typ. 5 ms Channel 2: typ. 5 ms Disconnection of the load circuit • Manually on the device via the ON/OFF momentary switch
- Remote control via the superordinate control unit
- After an overload / short circuit disconnection with storage (no automatic restart)
- Temporarily in the event of low voltage
- Due to missing operating voltage global.e-t-a.com 3525
INTELLIGENT ELECTRONIC CIRCUIT PROTECTOR REX22D-T Switching on the load circuit via ON/ OFF momentary switch The circuit protector can be switched on by the superordinate control unit or otherwise directly on the device. These tw o options are linked w ith AN D. S w itch is only possible if sw itched on from both positions. If the circuit protector w as sw itched off either by the control unit or directly on the device via the momentary switch, switching on the device again must be effected at the same po- sition. Switching on the load circuit by apply- ing operating voltage For O n-sw itching, the device m ust be supplied w ith the operating voltage. The device re-starts w ith the last stored condition. Reset function / Reset A disabled load output (disabled by overload / short circuit) can externally be reset via the control input. Leakage current in the load circuit in OFF condition Typ. 0.2 m A Capacitive switch-on capacity Up to 40,000 µF (depending on: Cable attenuation, power supply, load current and current rating) Load circuit reverse supply resistanceMax. DC 32 V Free-wheeling circuit External free-w heeling circuit at inductive load (rating according to load) Insulation co-ordination (EN IEC 60664)0.5 kV Overvoltage category: II Pollution degree: 2 Reinforced insulation in the actuating area Insulation resistance N/a, electronic disconnection only Status output FM / REX22D-Tx-100-xx Error message FM in the REX systemCom bined w ith the EM 12-T01-001-DC24 V-4 0A supply m odule, a group signalling is realised via the Si auxiliary contact. Electrical data Potential-free signal contact: max. DC 30 V / 0.5 A, min. 10 V / 1 mA Normal condition FM • Auxiliary contact closed in the EM12-T supply module
- In ON condition, load output ON
- In OFF condition, load output OFF
- If there is no operating voltage UB in the REX system Fault condition FM • Auxiliary contact open in the EM12-T supply module
- Load output blocked after overload / short circuit disconnection
- After low voltage disconnection of operating voltage in ON condition with autoreset
- If there is no UB in the EM12-T supply module Status output SM / REX22D-Tx-101-xx Status message SM in the REX systemCom bined w ith the EM 12-T01-001-DC24 V-4 0A supply m odule, a group signalling is realised via the Si auxiliary contact. Electrical data Potential-free signal contact: max. DC 30 V / 0.5 A, min. 10 V / 1 mA Normal condition SM • Auxiliary contact closed in the EM12-T supply module
- In ON condition, load output ON
- If there is no operating voltage UB in the REX system Fault condition SM • Auxiliary contact open in the EM12-T supply module
- W hen O FF, load output is sw itched off
- Load output blocked after overload / short circuit disconnection
- After low voltage disconnection of operating voltage in ON condition with autoreset
- If there is no operating voltage Ub in the EM12-T supply module VOLTAGE DROP, CURRENT LIMITATION, TRIP TIME AND FAIL-SAFE ELEMENT Rated current In[A] Typical Voltage dip U ontyp. per 1 A (at +23 °C) [mV] Active current limita- tion Trip time typically [s]Fail-safe element [A]
1 A/ 2 A/ 4 A
2 A/ 3 A/ 4 A
27 2.5 In, 1 A
1.6 In, 2 A - 5 A
tion (IOL): 3 Short circuit discon- nection (ISC ): 0.01 to 1 6.3
2 A/ 4 A/ 6 A
3 A/ 5 A/ 7 A
17 1.6 In, 2 A - 5 A
1.4 In, 6 A - 20 A
tion (IOL): 3 Short circuit discon- nection (ISC ): 0.01 to 1 global.e-t-a.com 3525
INTELLIGENT ELECTRONIC CIRCUIT PROTECTOR REX22D-T
6 A/ 8 A/ 10 A
1 A-10 A
11 2.5 In, 1 A tion (IOL): 3 Short circuit discon- nection (ISC ): 0.01 to 1
10 A/ 12 A/ 15 A
6 1.4 In, 6 A - 20 A Overload disconnec- tion (IOL): 3 Short circuit discon- nection (ISC ): 0.01 to 1
10 A/ 16 A/ 20 A
12 A/ 16 A/ 20 A
5.3 1.4 In, 6 A - 20 A Overload disconnec- tion (IOL): 3 Short circuit discon- nection (ISC ): 0.01 to 1 POWER LOSS IN W Rated current In [A] Power loss [W] 12 1.13 16 1.80 20 2.38 1 -3.6 1.55 1 -10 2.58 DIGITAL DATA Note on the operating mode The REX22D-Tx can be operated both with a passive supply module (EM12-T) in the Base mode or with an active supply module (EM12D-T) in the COM mode. The operating mode is automatical- ly recognised. OVERVIEW OF COMMANDS IN THE COM MODE Writing/reading the device configuration (parameters)
- Rated current (only for REX22D-TE2-10x-DC24 V-xA-xA versions)
- Load current w arning lim it Reading static device information • Rated current
- Product type
- Serial number
- Hardware version
- Software version Reading dynamic device information / measuring values
- Load current
- Load voltage
- Error memory
- Trip counter
- Reason of last tripping
- Status / event of device Control commands • S w itch on/off or reset load output
- Reset error memory
- Reset trip counter
- Set parameters to factory settings MECHANICAL DATA Mounting dimensions (WxHxD) 12.5 x 80 x 98.5 mm Mass 63...66 g Mounting data DIN rail according to EN 60715-35x7.5 global.e-t-a.com 3525
INTELLIGENT ELECTRONIC CIRCUIT PROTECTOR REX22D-T Mounting cycles Min. 100 MOUNTING VALUES - PUSH-IN TERMINAL Terminal connection capacity Cable cross section [mm²] Cable cross section [AWG] Stripping length [mm] rigid 0.14…4 24…14 8...10 flexible 0.14…4 24…14 8...10 flexible w ith w ire end ferrule w ith plastic sleeve flexible w ith w ire end ferrule w ithout plas- tic sleeve AMBIENT CONDITIONS Ambient temperature -25...+60 °C (without condensation, cf. EN 60204-1) Storage temperature -40...+70 °C Mounting temperature +5...+60 °C Damp heat Test according to IEC 60068-2-78, test cab. climate class 3K3 to EN60721 9 6 h at 9 5 % rel. hum idity/4 0 °C Vibration Test according to IEC 60068-2-6 test Fc 5 g IP code standard IEC 60529, DIN VDE 0470 Actuating area IP code (standard) IP30 Terminal area IP code (standard) IP20 EMC requirements (EMC directive, CE logo) emitted interference EN 61000-6-3 EMC requirements (EMC directive, CE logo) resistance to disturbances EN 61000-6-2 Operating altitude 2,000 m a. sea level (SL) 3,000 m a. SL up to +55 °C 4,000 m a. SL up to +50 °C Maximum ambient pressure during ope- ration 4 bar above atmospheric pressure ORDERING NUMBER CODE R E X D T A D C V A
1 TYPE NUMBER
REX22D Electronic circuit protector with active current limitation and automatic standard or COM mode detection
2 PANEL CUT-OUT
3 DESIGN
A 1 load output terminals per channel, fixed current ratings x A D 1 Load output terminal per channel, adjustable current ratings xx...xxA, via 3-position switch E 1 load output terminal per channel, variable current ratings x A / x A, adjustable standard and COM mode
4 NUMBER OF CHANNELS
5 VERSION
1 Without physical isolation
global.e-t-a.com 3525
INTELLIGENT ELECTRONIC CIRCUIT PROTECTOR REX22D-T
6 SIGNAL INPUT
0 Without signal input
7 SIGNAL OUTPUT
0 Status output FM / Error message
1 Status output SM / Status signal
8 OPERATING VOLTAGE
DC24V Rated voltage DC 24 V
9 RATED CURRENT
12A (1 channel only) 16A (1 channel only) 20A (1 channel only) 10A/12A/15A (1 channel only) 10A/16A/20A (1 channel only) 12A/16A/20A (1 channel only) 2A/3A/3,6A (2 channels only, Class2) 2A/3A/4A (2 channels only) 2A/4A/6A (2 channels only) 3A/5A/7A (2 channels only) 6A/8A/10A (2 channels only) 2/3/4A-6/8/10A (2 channels only) 1A-3,6A (2 channels only, Class2) 1A-10A (2 channels only)
10 APPROVALS
[No entry if no CL2 approval required] -CL2 (only 2 A/ 3 A/ 3,6 A; 1 A - 3.6 A versions)
11 OPTION
[No entry if delivery status ON] -A Condition as delivered O FF (only for versions REX22D-TA1-101-DC24 V-20A-A; REX22D-TD1-101- DC24 V-12A/16A/20A-A; REX22D-TD2-101-DC24 V-2A/4 A/6A-A; REX22D-TD2-101-DC24 V-6A/8A/10A-A)
12 ATEX APPROVAL
[No entry if no ATEX approval] -E ATEX/IECEx approval Further ordering examples:
- REX22D - T D 2 - 1 0 0 - DC24V - 2A/4A/6A
- REX22D - T E 2 - 1 0 0 - DC24V - 1A-10A OVERVIEW OF VARIANTS WITH ATEX APPROVAL Purchase order number REX22D-TA1-100-DC24 V-12A-E REX22D-TA1-100-DC24 V-16A-E REX22D-TA1-100-DC24 V-20A-E REX22D-TD1-100-DC24 V-10A/12A/15A-E REX22D-TD1-100-DC24 V-10A/16A/20A-E REX22D-TD1-100-DC24 V-12A/16A/20A-E REX22D-TD2-100-DC24 V-2A/3A/3,6A-CL2-E REX22D-TD2-100-DC24 V-1A/2A/4 A-E REX22D-TD2-100-DC24 V-2A/3A/4 A-E REX22D-TD2-100-DC24 V-2A/4 A/6A-E REX22D-TD2-100-DC24 V-3A/5A/7A-E REX22D-TD2-100-DC24 V-6A/8A/10A-E global.e-t-a.com 3525
INTELLIGENT ELECTRONIC CIRCUIT PROTECTOR REX22D-T REX22D-TD2-100-DC24 V-2/3/4 A-6/8/10A-E REX22D-TE2-100-DC24 V-1A-3,6A-CL2-E REX22D-TE2-100-DC24 V-1A-10A-E PREFERRED TYPES Preferred types Short description Preferred rated currents [A] REX22D-TA1-100- DC24 V-... 1-channel 12 16 20 REX22D-TD1-100- DC24 V-... 1-channel, adjustable 3 incre- ments 12/16/20 - - REX22D-TD2-100- DC24 V-... 2-channel, adjustable 3 incre- ments REX22D-TE2-100- DC24 V-... 2-channel, adjustable 10 in- crements 1...10 - - REX22D-TE2-100- DC24 V-... 2-channel, adjustable 4 incre- ments, CL2 1...3.6 - - APPROVALS APPROVALS unit Approval autho- rity Test standard File Certificate No. Rated voltage [V] Rated current range [A] REX22D-T UL UL 2367 UL 1310 NEC Class2 E306740 DC 24 1...20 1...3.6 REX22D-T UL UL 508 listed, CSA C22.2 No. 14, CSA 22.2 No. 107.1 E492388 DC 24 1...20 REX22D-T UL UL 121201 (Class I, Division 2, G roups A, B, C, D) CSA C22.2 No. 213 E543007 DC 24 1...20 REX22D-T Bureau Veritas ATEX 2014/34/ EU EN 60079-0 EN 60079-7 EN 60079-15 EPS 23 ATEX 1 107 U DC 24 fixed ratings 12, 16, 20 adjustable ratings 1...20 REX22D-T IECEx IEC 60079-0 IEC 60079-7 IEC 60079-15 IECEx EPS 23.0024U DC 24V fixed ratings 12, 16, 20 adjustable ratings 1...20 REX22D-T UKEX EN IEC 60079-0 EN IEC 60079-7 EN IEC 60079-15 EPS 23 UKEX 1259 U DC 24V fixed ratings 12, 16, 20 adjustable ratings 1...20 PM and EM – accessories, approvals see technical data of accessories. Find further information about approvals here: https://www.e-t-a.de/approvals_en UL APPROVALS Operating temperature code T4 - This equipm ent is suitable for use in Class I, Division 2, G roups A, B, C and D or non-hazardous locations only. T5 W ARN IN G - EXPLO S IO N H AZARD: - Do not connect or disconnect equipm ent unless pow er has been rem oved or the area is know n to be non-hazardous. This device is OPEN type equipment that must be used within a suitable end-use system enclosure, the interior of which is only accessible using a tool. The suitability of the enclosure must be checked by the local authority at the time of installation. global.e-t-a.com 3525
INTELLIGENT ELECTRONIC CIRCUIT PROTECTOR REX22D-T W iring to or from this device, w hich enters or leaves the system enclosure, m ust utilize w iring m ethods suitable for Class I, Division 2 Hazardous Locations, as appropriate for the installation. TIME-/CURRENT CHARACTERISTICS TYPICAL TIME/CURRENT CHARACTERISTIC (T amb = +23 °C, UB = DC 24 V) DERATING TABLE Rated current In [A] max. load current at 100 % ED [A] Ta = 40 °C Ta = 50 °C Ta = 60 °C 2/ 3/ 3.6 1-3.6 3.6 3.6 3.2 1/ 2/ 4 2/ 3/ 4 4 4 3.6 2/ 4/ 6 3/ 5/ 7 7 6.5 5 6/ 8/ 10 1-10 10 10 8 10/ 12/ 15 16 16 14 10/ 16/ 20 12/ 16/ 20 20 20 16 Note on series mounting When mounted side-by-side, the devices can only carry up to 80 % of their rated current or a hig- her rating must be selected (see Technical Information: https://www.e-t-a.de/ti_e ). global.e-t-a.com 3525
INTELLIGENT ELECTRONIC CIRCUIT PROTECTOR REX22D-T INSTALLATION INSTRUCTIONS PREFERRED MOUNTING POSITION IN THE REX SYSTEM HORIZONTAL SCHEMATIC DIAGRAMS DIMENSIONS WITH CONNECTION DIAGRAM: REX22D-TA1-XXX / REX22D-TE2-XXX/ REX22D-TD1-XXX / REX22D-TD2-XXX global.e-t-a.com 3525
INTELLIGENT ELECTRONIC CIRCUIT PROTECTOR REX22D-T SCHEMATIC DIAGRAMS SCHEMATIC DIAGRAM REX22D-TXX-XXX APPLICATION EXAMPLES MOUNTING / DISMOUNTING ON DIN RAIL IN THE REX SYSTEM global.e-t-a.com 3525
INTELLIGENT ELECTRONIC CIRCUIT PROTECTOR REX22D-T EXCHANGE IN / DISMOUNTING FROM THE REX SYSTEM NETWORK MOUNTING / EXPANSION ON DIN RAIL IN THE REX SYSTEM global.e-t-a.com 3525
INTELLIGENT ELECTRONIC CIRCUIT PROTECTOR REX22D-T DISTANCES BETWEEN CABLE DUCT AND LEVER IN THE REX SYSTEM APPLICATION EXAMPLE: EM12-T WITH REX12-TA1… AND REX12-TA2… global.e-t-a.com 3525
INTELLIGENT ELECTRONIC CIRCUIT PROTECTOR REX22D-T DISTANCES BETWEEN CABLE DUCT AND LEVER IN THE REX SYSTEM SEALING OF THE REX SYSTEM global.e-t-a.com 3525
INTELLIGENT ELECTRONIC CIRCUIT PROTECTOR REX22D-T ACCESSORIES REQUIRED ACCESSORIES EM12D-T The EM 12D-T supply m odule receives the DC 24 V supply voltage, e.g. from a pulsed switch mode power supply, and distributes it to the installed intelli- gent circuit protectors via the integral connector arm of the REX12D/REX22D. The com m unication interface of the EM 12D-T, w hich is designed as an IO link/M odbus RTU device, enables m any diagnosis and control com m ands to be sent to a superordinate IO link/ M odbus RTU m aster at the control level. EM12-T (DC24V) The EM 12-T supply m odule receives the DC 24 V supply voltage, e.g. fFrom a switched mode power supply, and distributes it to the mounted circuit pro- tectors via the integral connector arm of the REX12-T. The potential-free S i auxiliary contact in the EM12-T indicates errors and faults detected by the circuit protectors, e.g. to a superordinate control unit (CPU). OPTIONAL ACCESSORIES ControlPlex® Controller CPC12 The intelligent CPC12 ControlPlex® system is the perfect solution for the machine building industry. The system combines the well-proven quality of a DC 24 V overcurrent protection system w ith the EtherN et/IP, PRO FIN ET, EtherCAT and Modbus TCP communication options. It features permanent measuring data recording, analysing and processing. This provides the re- quired transparency to detect changes in the production process at an ear- ly stage and initiate corrective actions in time. The integral webserver of the CPC12 bus controller allows direct access to the data of the DC 24 V power distribution. All measuring data and status information can be accessed even without using the /f_ield bus interface. /uni00A0/uni00A0/uni00A0↳ EM12-T (LINE) The EM 12-T supply m odule receives the DC 24 V supply voltage, e.g. fFrom a switched mode power supply, and distributes it to the mounted circuit pro- tectors via the integral connector arm of the REX12-T. /uni00A0/uni00A0/uni00A0↳ EM12-T (GND) The EM12-T supply module receives the DC 0 V (GND) of the supply voltage, e.g. from a sw itched m ode pow er supply, and distributes it to the m ounted potential distribution m odules via the integral connector arm of the PM 12-T. EM12-T (LINE) The EM 12-T supply m odule receives the DC 24 V supply voltage, e.g. fFrom a switched mode power supply, and distributes it to the mounted circuit pro- tectors via the integral connector arm of the REX12-T. PM12-T (LOAD) The REX system’s PM12-T potential distribution modules can be divided into tw o m ain groups. Besides the + DC 24 V distribution, the 0 V m inus distribu- tion (GND) can be easily implemented in the same system. The slim modules save space and allow direct assignment of the power distribution in the sys- tem. The direct assignment can be easily displayed functionally in the related EPLAN providing support for wiring and trouble-shooting. EM12-T (GND) The EM12-T supply module receives the DC 0 V (GND) of the supply voltage, e.g. from a sw itched m ode pow er supply, and distributes it to the m ounted potential distribution m odules via the integral connector arm of the PM 12-T. PM12-T (GND) The REX system’s PM12-T potential distribution modules can be divided into tw o m ain groups. Besides the + DC 24 V distribution, the 0 V m inus distribu- tion (GND) can be easily implemented in the same system. The slim modules save space and allow direct assignment of the power distribution in the sys- tem. The direct assignment can be easily displayed functionally in the related EPLAN providing support for wiring and trouble-shooting. global.e-t-a.com 3525
INTELLIGENT ELECTRONIC CIRCUIT PROTECTOR REX22D-T FURTHER INFORMATION ABOUT ACCESSORIES (DRAWINGS) ACCESSORIES FURTHER PRODUCTS
RELATED PRODUCTS
REX12D-T W ith the com pact and flexible REX system , E-T-A offers a sophisticated DC
24 V solution for protection and power distribution in mechanical and plant
engineering - consisting of power supply, overcurrent protection, distributi- on and bus controller. The REX12D-T circuit protector provides selective pro- tection, reacts faster than the switch mode power supply to short circuits or overloads and reliably sw itches on capacitive loads up to 20,000 µF. Available w ith fixed and adjustable current ratings from 1 A to 10 A, it fulfils not only UL508listed and NEC Class 2 but also exclusively EN 60204-1 for line pro- tection. All REX12D-T modules support BASE and COM mode - with simple message signalling or extensive communication and diagnostics just as re- quired. The operating mode is automatically recognised. REX12-T W ith the com pact and flexible REX system , E-T-A offers a sophisticated DC engineering - consisting of power supply, overcurrent protection, distributi- on and bus controller. The REX12D-T circuit protector provides selective pro- tection, reacts faster than the switch mode power supply to short circuits or overloads and reliably sw itches on capacitive loads up to 20,000 µF. Available w ith fixed and adjustable current ratings from 1 A to 10 A, it fulfils not only UL508listed and NEC Class 2 but also exclusively EN 60204-1 for line protec- tion. All information and data given on our products are accurate and reliable to the best of our knowledge, but E-T-A does not accept any responsibility for the use in applications which are not in accordance with the present specification. E-T-A reserves the right to change specifications at any time in the interest of technical improvement. Dimensions are subject to change without notice. Please enquire for the latest dimensional drawing with tolerances if required. All dimensions, data, pictures and descriptions are for information only and are not binding. Amendments, errors and omissions excepted. Ordering part numbers may differ from the device marking. global.e-t-a.com 3525