106963

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Document overview

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• PDF pages: 25

Technical content

Features

– Tool-free connection via push-in connection technology – Safe operation, thanks to electrically and mechanically robust design – Especially slim design – Worldwide use, thanks to wide-range input – Reliable starting of heavy loads, thanks to dynamic boost (1.5 x I N for 5 seconds) – Simplified error diagnostics for remote signaling via DC- OK signal contact – OVP (Over Voltage Protection) limits surge voltages to ≤25 V DC Technical data (short form) Input voltage range 100 V AC ... 240 V AC -15 % ... +10 % 110 V DC ... 250 V DC 10 % Mains buffering > 20 ms (120 V AC) > 110 ms (230 V AC) Nominal output voltage (UN) 12 V DC ±1 % Setting range of the output voltage (USet) 12 V DC ... 18 V DC Nominal output current (IN)5 A Output power (PN) Output power (PDyn. Boost) 60 W 90 W Efficiency typ. 85 % (120 V AC) typ. 85.6 % (230 V AC) Residual ripple < 50 mVPP MTBF (IEC 61709, SN 29500) > 5800000 h (25 °C) > 2900000 h (40 °C) > 1500000 h (60 °C) Ambient temperature (operation) -25 °C ... 70 °C > 60 °C Derating: 2.5 %/K Dimensions W/H/D 30 mm / 130 mm / 115 mm Weight 0.32 kg Approved according to NEC Class 2 (UL 1310) Make sure you always use the latest documentation. It can be downloaded from the product at phoenixcontact.net/products. 106963_en_00 2017-07-27

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TRIO-PS-2G/1AC/12DC/5/C2LPS 106963_en_00 PHOENIX CONTACT 4 / 25 Description Ty pe Order No. Pcs./Pkt. Primary-switched TRIO POWER power supply with push- in connection for DIN rail mounting, input: 1-phase, output:

12 V DC/5 A C2LPS

Accessories Ty pe Order No. Pcs./Pkt. VARIOFACE module, with two equipotential busbars (P1, P2) for potential distribution, for mounting on NS 35 rails. Module width: 70.4 mm VIP-2/SC/PDM-2/24 2315269 1 VARIOFACE module with push-in connection and two equipotential busbars (P1, P2) for potential distribution, for mounting on NS 35 rails. Module width: 57.1 mm VIP-3/PT/PDM-2/24 2903798 1 The range of accessories is being continuously extended. The current range of accessories can be found in the download area for the product.

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4 Technical data

Unless otherwise stated, all data applies for 25°C ambient temperature, 230 V AC input voltage, and nominal output current (IN). 110 V DC ... 250 V DC 10 % Extended input voltage range in operation > 88 V DC Switch-on voltage typ. 85 V DC Shut-down voltage typ. 80 V DC Electric strength, max. ≤ 300 V AC ( 15 s ) Network type Star network Frequency range (fN) 50 Hz ... 60 Hz  5 Hz Current consumption (for nominal values) typ. 1.1 A (100 V AC)

1 A (120 V AC)

0.6 A (230 V AC)

0.6 A (240 V AC)

0.7 A (110 V DC)

0.3 A (250 V DC)

typ. < 0.25 mA < 0.05 mA (264 V AC, 60 Hz) Mains buffering > 20 ms (120 V AC) > 110 ms (230 V AC) Inrush surge current I2t < 0.6 A2s Switch-on current surge limitation typical after 1 ms 25 A During the first few microseconds, the current flow into the filter capacitors is excluded. Input fuse internal (device protection) 6.3 A Choice of suitable circuit breakers 6 A ... 16 A (Characteristics B, C, D, K) The external backup fuse must be approved for the (AC) supply voltage used and the voltage level. Electric strength of the insulation Insulation voltage input/output ( IEC/EN 60950-1 ) 3 kV AC (type test) 1.5 kV AC (routine test) Production test 2.5 kV DC

TRIO-PS-2G/1AC/12DC/5/C2LPS 106963_en_00 PHOENIX CONTACT 6 / 25 POWER factor 120 V AC 230 V AC > 0.6 > 0.5 Input connection data Connection method Push-in connection Conductor cross section, solid 0.2 mm² ... 4 mm² Cross section AWG 24 ... 12 Stripping length 10 mm Output data Nominal output voltage (UN)1 2 V D C ± 1 % Setting range of the output voltage (USet) ( > 12 V DC, constant capacity restricted ) 12 V DC ... 18 V DC Nominal output current (IN)5 A Short-circuit current < 6 A DC (Permanent) Control deviation change in load, static 10 % ... 90 % < 1 % Control deviation Dynamic load change 10 % ... 90 %, 10 Hz < 3 % Control deviation change in input voltage ±10 % < 0.1 % Short-circuit-proof yes No-load proof yes Residual ripple ( with nominal values ) < 50 mVPP Peak switching voltages < 20 mV PP Connection in parallel Yes, for redundancy and increased capacity Connection in series yes Feedback resistance ≤ 25 V Circuit breaker against surge voltage at output by invasive foreign matter ≤ 25 V DC Rise time typical 20 ms (UOUT (10 % ... 90 %)) Output connection data Connection method Push-in connection Conductor cross section, solid 0.2 mm² ... 4 mm² Conductor cross section AWG 24 ... 12 Stripping length 8 mm

TRIO-PS-2G/1AC/12DC/5/C2LPS 106963_en_00 PHOENIX CONTACT 7 / 25 LED signaling Signalization designation DC OK Status indicator LED Color green Signal threshold UOUT > 0.9 x UN (UN = 12 V DC) Relay output Signalization designation DC OK Contact assignment 13/14 ( closed ) Maximum contact load 30 V AC / 30 V DC ( 100 mA ) Signal threshold UOUT > 0.9 x UN (UN = 12 V DC) Signal connection data Connection method Push-in connection Conductor cross section AWG 24 ... 16 Stripping length 8 mm Reliability 230 V AC MTBF (IEC 61709, SN 29500) > 5800000 h (25 °C) > 2900000 h (40 °C) > 1500000 h (60 °C) General data Degree of protection IP20 Protection class II (in closed control cabinet) Inflammability class in acc. with UL 94 (housing / terminal blocks) Type of housing Polycarbonate Hood version Polycarbonate Dimensions W / H / D (state of delivery) 30 mm / 130 mm / 115 mm Weight 0.32 kg Power dissipation 120 V AC 230 V AC Maximum power dissipation in no-load condition typ. 0.4 W typ. 0.8 W Efficiency 120 V AC 230 V AC typ. 85 % typ. 85.6 %

TRIO-PS-2G/1AC/12DC/5/C2LPS 106963_en_00 PHOENIX CONTACT 8 / 25 Ambient conditions Ambient temperature (operation) -25 °C . .. 70 °C (> 60 °C Derating: 2.5 %/K) The ambient temperature (operation) refers to UL 508 surrounding air temperature. Ambient temperature (storage/transport) -40 °C ... 85 °C Max. permissible relative humidity (operation) ≤ 95 % (at 25 °C, non-condensing) Installation height ≤ 5000 m (> 2000 m, Derating: 10 %/1000 m) Vibration (operation) DNV GL CG-0339 / Class B 2 Hz - 100 Hz resonance search, 90 min. in resonance, 2 Hz - 25 Hz, ±1.6 mm amplitude,

25 Hz - 100 Hz, 4g acceleration

Shock 18 ms, 30g, in each space direction (according to IEC 60068- 2-27) Degree of pollution 2 Climatic class 3K3 (in acc. with EN 60721) Overvoltage category EN 60950-1 EN 62477-1 II III Standards Safety of power supply units up to 1100 V (insulation distances) DIN EN 61558-2-16 Electrical safety (of information technology equipment) IEC 60950-1/VDE 0805 (SELV) SELV IEC 60950-1 (SELV) and EN 60204-1 (PELV) Safe isolation DIN VDE 0100-410 Limitation of mains harmonic currents EN 61000-3-2 Rail applications EN 50121-4 Approvals UL UL Listed UL 508 UL/C-UL Recognized UL 60950-1 NEC Class 2 as per UL 1310 Current approvals/permissions for the product can be found in the download area under phoenixcontact.net/ products.

TRIO-PS-2G/1AC/12DC/5/C2LPS 106963_en_00 PHOENIX CONTACT 9 / 25 Electromagnetic compatibility Conformance with EMC Directive 2014/30/EU Noise emission according to EN 61000-6-3 (residential and commercial) and EN 61000-6-4 (industrial) CE basic standard Minimum normative requirements Higher requirements in practice (covered) Conducted noise emission EN 55016 EN 61000-6-4 (Class A) EN 61000-6-3 (Class B) Noise emission EN 55016 EN 61000-6-4 (Class A) EN 61000-6-3 (Class B) Harmonic currents EN 61000-3-2 Class B Class A, B Flicker EN 61000-3-3 not required 0 kHz ... 2 kHz Immunity according to EN 61000-6-1 (residential), EN 61000-6-2 (industrial) CE basic standard Minimum normative requirements of EN 61000- 6-2 (CE) (immunity for industrial environments) Higher requirements in practice (covered) Electrostatic discharge EN 61000-4-2 Housing contact discharge 4 kV (Test Level 2) 6 kV (Test Level 3) Housing air discharge 8 kV (Test Level 3) 8 kV (Test Level 3) Comments Criterion B Criterion A Electromagnetic HF field EN 61000-4-3 Test field strength 10 V/m (Tes t Level 3) 10 V/m (Test Level 3) Test field strength 3 V/m (Tes t Level 2) 10 V/m (Test Level 3) Test field strength 1 V/m (Tes t Level 1) 10 V/m (Test Level 3) Comments Criterion B Criterion A Fast transients (burst) EN 61000-4-4 Input 2 kV (Test Level 3 - asymmetrical) 4 kV (Test Level 3 - asymmetrical) Output 2 kV (Test Level 3 - asymmetrical) 2 kV (Test Level 3 - asymmetrical) Signal 1 kV (Test Level 3 - asymmetrical) 2 kV (Test Level 3 - asymmetrical) Comments Criterion B Criterion A

TRIO-PS-2G/1AC/12DC/5/C2LPS 106963_en_00 PHOENIX CONTACT 10 / 25 Surge current loads (surge) EN 61000-4-5 Input 1 kV (Test Level 3 - symmetrical) 2 kV (Test Level 3 - asymmetrical) 3 kV (Test Level 4 - symmetrical) 6 kV (Test Level 4 - asymmetrical) Output 0.5 kV (Test Level 2 - symmetrical) 0.5 kV (Test Level 1 - asymmetrical) 1 kV (Test Level 3 - symmetrical) 2 kV (Test Level 3 - asymmetrical) Signal 0.5 kV (Test Level 1 - asymmetrical) 1 kV (Test Level 2 - asymmetrical) Comments Criterion B Criterion A Conducted interference EN 61000-4-6 Input/Output/Signal asymmetrical asymmetrical Voltage 10 V (Test Level 3) 10 V (Test Level 3) Comments Criterion A Criterion A Voltage dips EN 61000-4-11 Input voltage ( 230 V AC , 50 Hz ) Voltage dip on 70 % , 25 periods ( Test Level 2 ) 70 % , 25 periods ( Test Level 2 ) Comments Criterion C Criterion A Voltage dip on 40 % , 10 periods ( Test Level 2 ) 40 % , 10 periods ( Test Level 2 ) Comments Criterion C Criterion A Voltage dip on 0 % , 1 period ( Test Level 2 ) 0 % , 1 period ( Test Level 2 ) Comments Criterion B Criterion A Immunity according to EN 61000-6-1 (residential), EN 61000-6-2 (industrial) CE basic standard Minimum normative requirements of EN 61000- 6-2 (CE) (immunity for industrial environments) Higher requirements in practice (covered) Key Criterion A Normal operating behavi or within the specified limits. Criterion B Temporary impairment to operational behavior that is corrected by the device itself. Criterion C Temporary ad verse effects on the operating behavior, which the device corrects automatically or which can be restored by actuating the operating elements. Emitted interference in acc. with EN 61000-6-3 Radio interference voltage in acc. with EN 55011 EN 5 5011 (EN 55022) Class B, area of application: Industry and residential Emitted radio interference in acc. with EN 55011 EN 55011 (EN 55022) Class B, area of application: Industry and residential

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5 Safety regulations and installation

Before startup please ensure: – Installation and startup may only be carried out by qualified personnel. – The relevant country-specific regulations must be observed. NOTE: Danger if used improperly – The device is a built-in device. – The IP20 degree of protection (IEC 60529/EN 60529) of the device is intended for use in a clean and dry environment. Do not subject the device to any load that exceeds the described limits. – Do not subject the device to mechanical and/or thermal loads that exceed the specified limits. – It is not permissible to open or modify the device. Do not repair the device yourself but replace it with an equivalent device. Repairs may only be carried out by the manufacturer. The manufacturer is not liable for damage resulting from violation. CAUTION: Before startup please ensure: – Connection must be performed by specialist personnel and protection against electric shock ensured. – It must be possible to switch off the device outside the power supply according to the regulations in EN 60950- 1 (e.g., by line protection on the primary side). – All feed lines are sufficiently protected and dimensioned! – All output lines are dimensioned according to the maximum output current of the device or separately protected! – Sufficient convection is guaranteed! EXPLOSION HAZARD! Only remove equipment when it is disconnected and not in the potentially explosive area. DANGER Never carry out work on live parts! The housing can become very hot, depending on the ambient temperature and load!

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6 High-voltage test (HIPOT)

This protection class II power supply is subject to the Low Voltage Directive and is factory tested. During the HIPOT test (high-voltage test), the insulation between the input circuit and output circuit is tested for the prescribed electric strength values, for example. The test voltage in the high- voltage range is applied at the input and output terminal blocks of the power supply. The operating voltage used in normal operation is a lot lower than the test voltage used.

6.1 High-voltage dielectric test (dielectric strength

test) and why must it be performed? In order to protect the user, power supplies (as electric components with a direct connection to potentially hazardous voltages) are subject to more stringent safety requirements. For this reason, permanent safe electrical isolation between the hazardous input voltage and the touch-proof output voltage as safety extra-low voltage (SELV) must always be ensured. In order to ensure permanent safe isolation of the AC input circuit and DC output circuit, high-voltage testing is performed as part of the safety approval process (type test) and manufacturing (routine test).

6.2 High-voltage dielectric test during the

During the manufacturing process for the power supply, a high-voltage test is performed as part of the dielectric test in accordance with the specifications of IEC/UL/EN 60950-1. The high-voltage test is performed with a test voltage of at least 1.5 kV AC / 2.2 kV DC or higher. Routine manufacturing tests are inspected regularly by a certification body.

6.3 High-voltage dielectric test performed by the

Apart from routine and type tests to guarantee electrical safety, the end user does not have to perform another high- voltage test on the power supply as an individual component. According to EN 60204-1 (Safety of machinery - Electrical equipment of machines) the power supply can be disconnected during the high-voltage test and only installed once the high-voltage test has been completed.

6.4 Performing high-voltage testing

If high-voltage testing of the control cabinet or the power supply as a stand-alone component is planned during final inspection and testing, the following features must be observed. – The power supply wiring must be implemented as shown in the wiring diagram. – The maximum permissible test voltages must not be exceeded. Avoid unnecessary loading or damage to the power supply due to excessive test voltages. Figure 1 Potential-related wi ring for the high-voltage test Key The test voltage should rise and fall in ramp form. The relevant rise and fall time of the ramp should be at least seconds. For the relevant applicable test voltages and insulation distances, refer to the corresponding table (see technical data: electric strength of the insulation section). No. Designation Color coding Potential levels

1 AC input circuit Red Potential 1

2 High-voltage

-- --

3 Signal contacts Green (optional) Potential 2

4 DC output circuit Blue Potential 2

/UNIf0bb/=

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7 Basic circuit diagram

8 Structure

Figure 3 Function elements Key: Rectification Switch Electrically isolated signal transmission Regulation Transformer Filter Floating switching output L/+ N/- No. Description of the function elements 1. Connection terminal block input voltage: Input L/N 2. Connection terminal block output voltage: Output DC +/- 3. Potentiometer, output voltage: 12 V DC ... 18 V DC 4. Signaling DC OK LED 5. Floating signal contact: max. 30 V AC/DC, 100 mA 6. Integrated universal snap-on foot L/+ N/- TRIO PO WER 112- 8V DC OK Input AC 100-240V Output 2V A DC 1 5 class 2 output

TRIO-PS-2G/1AC/12DC/5/C2LPS 106963_en_00 PHOENIX CONTACT 14 / 25 9C o o l i n g Heat is dissipated from the power supply via the heatsinks integrated into the housing surfaces. Convection to dissipate heat from the power supply only takes place in small dimensions above the housing openings. Figure 4 Convection

10 Mounting position and dimensions

10.1 Mounting position

Possible mounting positions: Normal mounting position, installation depth 115 mm (+ DIN rail) The power supply can be aligned without minimum lateral spacing. The device can be snapped onto all DIN rails in accordance with EN 60715 and should be mounted in the normal mounting position. To ensure sufficient wiring space to wire the power supply, we recommend a vertical minimum clearance from other devices of 50 mm. Depending on the cable duct used, a smaller clearance may be possible. 115 230 130 L/+ N/- TRIO PO WER 112- 8V DC OK Input AC 100-240V Output 2V A1 DC 5 class 2 output

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10.2 Device dimensions

Figure 6 Device dimensions 115 121 130 807,5 24,5 68 78 3,57,5 L/+ N/- TRIO PO WER class 2 output Output 2V A DC 1 5 DC OK 112- 8V Input AC 100-240V

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11 Mounting/removal

11.1 Assembly

Position the module with the DIN rail guide on the upper edge of the DIN rail, and snap it in with a downward motion. Figure 7 Assembly on standard DIN rail

11.2 Removal

Pull the snap lever open with the aid of a screwdriver and slide the module out at the lower edge of the DIN rail. Figure 8 Removing the DIN rail

12 Device connection terminal blocks

12.1 Push-in connection technology

All connection terminal blocks on the power supply have push-in connection technology on the front. The power supply is wired by simply plugging in the connecting cables, no tools are required. For the necessary connection parameters for the terminal blocks, please refer to the technical data.

12.1.1 Plug in connecting cable

The wiring is carried out by simply plugging the connecting cable into the contact opening provided. Insert the connecting cable as far as it will go. Figure 9 Insert connecting cable (push-in connection technology)

12.1.2 Loosen the connecting cable

To disconnect the wiring, take a suitable screwdriver and insert it into the opening for release. Then carefully pull the connecting cable out of the contact opening. Figure 10 Release connecting cable (push-in connection technology) B A Click BA C D A A B

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13 Input

The power supply can be operated on single-phase AC or DC power grids in accordance with the nominal input voltage. Connection is via the INPUT L+/N- connection terminal blocks. For operation on two of the phase conductors of a three- phase system, an isolating facility for all poles must be provided. Figure 11 Network types

13.1 Position of input terminals

Figure 12 Position of input terminals

13.2 Protection of the primary side

Installation of the device must correspond to EN 60950 regulations. It must be possible to disconnect the device from the voltage using a suitable separator outside the power supply. For example, the primary-side line protection is suitable for this (see technical data). An internal, approved AC/DC fuse is available as device protection. Additional device protection is not required. Figure 13 Schematic diagram, switching the input terminals N/- L/+ L N PE TN-S N/- L/+ L PEN TN-C N/- L/+ L N TT N/- L/+ iT L/+ N/- Input AC 100-240V If an internal fuse trips, this is due to a device fault. In this case, the device must be inspected in the factory. Opening the device or repairing it yourself is prohibited. L/+ N/- Input AC 100-240V L N

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14 Output

A DC voltage for supplying the load is provided at the output of the power supply. The load is connected via the OUTPUT +/- connection terminal blocks. By default, the power supply is pre-set to a nominal output voltage of 12 V DC. The output voltage can also be set to the range from 12 V DC to 18 V DC using the potentiometer in order to compensate for a possible voltage drop due to the long cable lengths between the power supply and the load to be supplied.

14.1 Position of ou tput terminals

Figure 14 Position of output terminals

14.2 Protection of the secondary side

The power supply is electronically short-circuit-proof and idling-proof. In the event of an error, the output voltage is limited. It must be ensured that all output cables are dimensioned accordingly for the maximum output current or have separate protection. The connecting cables on the secondary side should have large cross sections to keep the voltage drops in the cables as low as possible. Figure 15 Schematic diagram, switching the output terminals

14.3 Output characteristic curve

The power supply operates according to the U/I characteristic curve shown in the figure. In the event of a short circuit and overload on the secondary side, the output current is limited. The module does not switch off, but instead continues to supply the output current. The secondary voltage is then reduced until the short circuit is eliminated. The U/I characteristic curve enables high switch- on currents of capacitive loads or inductive loads to be reliably supplied with energy. Figure 16 U/I characteristic curve N = 12 V DC –I N = 5 A –P N = 60 W TRIO PO WER+ Output 24V 3A DC class 2 output 12V 5A RLoad Output DC 12V 5A I [A]OUT U[ V ] OUT UN IN U < 0,9 x UN

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14.4 Meaning of NEC - Class 2 (National Electrical

Code - Class 2) The approval of the power supply as a “Class 2 Output” in accordance with American standard ANSI/UL 1310 ensures that the power supply only provides limited power even in the event of an error. This increases safety to such an extent that the simulated circuits are also deemed very safe in terms of fire protection. This can result in reduced installation work. The output of the power supply is configured in accordance with ANSI/UL 1310 (Class 2 power supplies) and approved as such with limited power. This ensures that the limit values described in UL 1310 are not exceeded. The power supply is able to supply up to 1.5 x IN for 1 s at maximum load. If less dynamic power is required, this can also be supplied for more than 1 s.

15 Signaling

15.1 DC OK-LED

The DC OK-LED is available for function monitoring. The LED is continuously illuminated when the output voltage is > 90 % of the nominal output voltage UOUT (12 V DC). Figure 17 Location of the elements

15.2 Floating signal contact

A floating diagnostics contact can be used to forward data to a higher-level control system. When opened, the diagnostics contact indicates an underrange of more than 90% for the nominal output voltage U OUT. Figure 18 Wiring principle 24-28V DC OK 12-18V 12 18-V DC OK PLC Digital Input DI x max. 30 V AC/DC 100 mA

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16 Derating

16.1 Temperature-dependent derating

With an ambient temperature of up to +60°C, the device supplies the continuous output current of IN. In the case of ambient temperatures above +60°C, the output current must be reduced by 2.5 % per Kelvin increase in temperature. The device does not switch off at ambient temperatures of +70°C or thermal overload. The output capacity is reduced as far as necessary to provide device protection. After it has cooled down, the output capacity is increased again. Figure 19 Temperature derating in normal mounting position

16.2 Installation height

The power supply can be operated at an installation height of up to 2000 m without any limitations. Different data applies for installation locations above 2000 m due to the differing air pressure and the reduced convection cooling associated with this (see technical data section). Figure 20 Output power depend ing on the installation height

16.3 Position-dep endent derating

The power supply can be installed onto all 35 mm DIN rails according to EN 60715. The normal mounting position of the power supply is horizontal. When installing in a different mounting position, derating should be adhered to. The characteristic curve can be used to determine the maximal output power to be drawn for each ambient temperature for different mounting positions. [°C] IOUT [A] -25 40 6020 IN H [m] [%] 100 125 150 175 200 /UNIf51f P Out /UNIf51e /UNIf51f= P 150 % 60 °CDyn. /UNIf0a3 = PN 100 % 60 °C/UNIf0a3 0 1000 2000 3000 4000 5000 /UNIf51e

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17 Operating modes

17.1 Series operation

Two power supplies can be switched in series, to double the output voltage. For connection in series, only power supplies of the same performance class should be used. An output voltage of, for example, 24 V DC can be provided, if two 12 V power supplies are connected in series. Various voltage levels are made possible by varying the switching of the respective output voltage and the measurement reference point. Figure 21 Wiring principle, voltage levels with two power supplies

17.2 Parallel operation

Devices of the same type can be connected in parallel to increase both redundancy and power. By default upon delivery, no further adjustments are required. If the output voltage is adjusted, a uniform distribution of power is guaranteed by setting all parallel operated power supply units to exactly the same output voltage. To ensure symmetrical current distribution we recommend that all cable connections from the power supply unit to the busbar are the same length and have the same cross section. Depending on the system, for parallel connection of more than two power supplies a protective circuit should be installed at each individual device output (e.g., decoupling diode, DC fuse or circuit breaker). This prevents high return currents in the event of a secondary device fault. Figure 22 Schematic diagram in parallel operation

17.3 Redundant operation

Redundant circuits are suitable for supplying systems which place particularly high demands on operational reliability. If a fault occurs in the primary circuit of the first power supply, the second device automatically takes over the complete power supply without interruption, and vice versa. To this end, the power supplies to be connected in parallel are dimensioned so that the total current requirements of all loads can be fully met by a single power supply. External decoupling diodes are required for 100% redundancy.

17.3.1 Decoupling with diode module

Figure 23 Schematic diagram, decoupling with diode module -24 V +12 V -12 V +24 V Σ =I N IN IN Σ =I N IN IN

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17.4 Increasing power

The output current can be increased to n x IN in the case of n parallel connected devices. Parallel connection for increasing power is used when extending existing systems. A parallel connection is recommended if the power supply unit does not cover the current consumption of the most powerful load. Otherwise, the load should be distributed between individual devices that are independent from one another. Figure 24 Schematic diagram of increased performance Σ =2xI N IN IN