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© PHOENIX CONTACT - 10/2008103618_en_00 INTERFACE MACX MCR-PTB(-SP) Data sheet 1D e s c r i p t i o n The power module MACX MCR-PTB(-SP) enables the supply voltage on the foot elements (DIN rail connectors) to be provided on either a redundant or a non-redundant basis. The module MACX MCR-PTB(-SP) has integrated error evaluation. An auxiliary supply failure or fuse error is registered to a relay contact and displayed via a flashing LED. With MACX MCR-EX-SL-(2)NAM... devices connected via DIN rail connectors, a collection line fault is signaled. The devices can be installed in zone 2 with the "n" (EN 60079-15) protection type.
1.1 Properties
– Power and error message module – Supply of 24 V DC supply voltage on the DIN rail connector – Redundant or non-redundant supply, decoupling via diodes – Protected against polarity reversal – Supply current up to 3.75 A – Relay output for error message – Replaceable fuse – Installation in Zone 2 permissible –W i t h s c r e w (MACX MCR-PTB) or spring-cage connection (MACX MCR-PTB-SP) WARNING: Explosion hazard The device is an associated item of electrical equipment for intrinsically safe circuits. It is designed for use in zone 2, if specific conditions are observed. When installing and operating the device, the applicable safety directives (including national safety directives), accident prevention regulations, as well as general technical regulations, must be observed. WARNING: Explosion hazard Be sure to observe the safety regulations and installation notes on page 4. Make sure you always use the latest documentation. It can be downloaded at www.download.phoenixcontact.com A conversion table is available on the Internet at This data sheet is valid for all products listed on the following page: Power and error message module
MACX MCR-PTB(-SP) 103618_en_00 PHOENIX CONTACT 2 Table of contents 2O r d e r i n g d a t a
3 Technical data
Power and error message module Description Type Order No. Pcs./Pkt. Power and error message module, including the relevant DIN rail connector ME 17.5 TBUS 1.5/5-ST-3.81 GN with screw connection MACX MCR-PTB 2865625 1 Power and error message module, including the relevant DIN rail connector ME 17.5 TBUS 1.5/5-ST-3.81 GN with spring-cage connection MACX MCR-PTB-SP 2924184 1 Input Input signal 19.2 V DC ... 30 V DC Redundant supply Decoupling via diodes Protection against polarity reversal and surge protection Yes Output Maximum output current I OUT = 3.75 A Output voltage for IOUT UIN – 0.8 V Switching output Contact type 1 x PDT Contact material Au Maximum switching voltage 50 V AC (2 A) General data Current consumption 3.75 A Ambient temperature Operation Storage/transport -20°C ... +60°C -40°C ... +80°C Permissible humidity (operation) 10% ... 95% (no condensation) Fuse Replaceable, 5 A (slow-blow 250 V AC) Status indicator 2 LEDs green (supply voltage PWR 1 and PWR 2) LED red (error) Housing material Polyamide Color Green Degree of protection IP20 Width x length x height 17.5 mm x 114.5 mm x 104 mm (with connection terminal block) Inflammability class according to UL 94 V0 Design Terminal block housing for mounting on DIN rails
MACX MCR-PTB(-SP) 103618_en_00 PHOENIX CONTACT 3 Conformance EMC directive 2004/108/EC EN 61000-6-2, EN 61000-6-4, EN 61326-1 Ex directive (ATEX) EN 60079-0, EN 60079-11, EN 60079-15 Certificates ATEX X II 3 G Ex nAC II T4 X IECEx Ex nAC IIC T4 X IECEx IBE 08.0004X UL USA/Canada UL applied for Connection data MACX MCR-PTB Conductor cross-section Solid (minimum/maximum) Stranded (minimum/maximum) AWG/kcmil (minimum/maximum) 0.75 mm2/2.5 mm2 0.75 mm2/2.5 mm2 Stripping length 7 mm Connection method Pluggable screw connection Tightening torque 0.5 Nm, minimum/0.6 Nm, maximum Connection data MACX MCR-PTB-SP Conductor cross-section Solid (minimum/maximum) Stranded (minimum/maximum) AWG/kcmil (minimum/maximum) 0.75 mm2/1.5 mm2 0.75 mm2/1.5 mm2 Stripping length 8 mm Connection method Spring-cage connection
MACX MCR-PTB(-SP) 103618_en_00 PHOENIX CONTACT 4
4 Safety regulations and installation notes
4.1 Installation and operation
Follow the installation instructions. When installing and operating the device, the applicable safety directives (including national safety directives), accident prevention regulations, as well as general technical regulations must be observed. Do not repair the device yourself, but replace it with an equivalent device. Repairs may only be carried out by the manufacturer. Install the device in a suitable housing with a suitable degree of protection in accordance with IEC 60529 in order to protect it from mechanical and electrical damage. For the safety data, please refer to the operating instructions and certificates and other approvals, if necessary.
4.2 Safety regulations for installation in the
potentially explosive area Installation in zone 2 Observe the specified conditions for use in potentially explosive areas. NOTE: Installation, operation, and maintenance may only be carried out by qualified specialist personnel. NOTE: The circuits inside the device must not be accessed. NOTE: The device is designed to meet IP20 protection when: – It is installed outside potentially explosive areas. – The environment is clean and dry. WARNING: Explosion hazard The device is classed as category 3 electrical equipment and is suitable for installation in zone 2. WARNING: Explosion hazard Install the device in suitable housing with a minimum of IP54 degree of protection. Observe the requirements of IEC 60079-14/ EN 60079-14, e.g., steel housing with a wall thickness of 3 mm. WARNING: Explosion hazard Disconnect the block power supply before: – Snapping it on or disconnecting it – Connecting or disconnecting cables – Changing the fuse WARNING: Explosion hazard Use the specified fuse type only (see page 2). WARNING: Explosion hazard Only use category 3G modules (ATEX 94/9/EC).
MACX MCR-PTB(-SP) 103618_en_00 PHOENIX CONTACT 5
5 Installation
5.1 Basic circuit diagram
Figure 1 Basic circuit diagram with connection terminal blocks
5.2 Design
1 Pluggable COMBICON connection terminal blocks
2 LED PWR 1, supply voltage 1
3 LED PWR 2, supply voltage 2
4 LED ERR, error
5 Fuse
6 DIP switches
7 Metal lock for fixing on the DIN rail
8 Connection option for DIN rail connector
5.3 Dimensions
Figure 3 Dimensions (in mm) NOTE: Electrostatic discharge The device contains components that can be damaged or destroyed by electrostatic discharge. When handling the device, observe the necessary safety precautions against electrostatic discharge (ESD) according to EN 61340-5-1 and EN 61340-5-2. NOTE: Electrostatic discharge Take protective measures against electrostatic discharge before opening the front cover. 1.2 2.2 3.2 12 3.3 14 1.1 2.1 3.1 11 Fault out PWR 2 PWR 1 Faultsignal GND +24VLFD PWR1 1.1 1.2 2.1 2.2 3.1 3.2 MACX MCR-PTB N.C. N.C. 3.3 PWR2 ERR ON OFF 99 17,5 7 114,5
MACX MCR-PTB(-SP) 103618_en_00 6PHOENIX CONTACT GmbH & Co. KG • 32823 Blomberg • Germany • Phone: +49-(0) 5235-3-00 PHOENIX CONTACT • P.O.Box 4100 • Harrisburg • PA 17111-0100 • USA • Phone: +717-944-1300 www.phoenixcontact.com
5.4 Mounting
Figure 4 Assembly and removal – Mount the module on a 35 mm DIN rail according to EN 60715. – First insert the ME 17. 5 TBUS DIN rail connector (included in the scope of supply) into the DIN rail (see A – C, Figure 4). – Please also ensure you ob serve the direction of the module and DIN rail connector when snapping into position: Snap-on foot below (2) and connector left (1). – Install the module in suitable housing to meet the requirements for the protection class. – Before startup, check that th e repeater power supply is operating and wired correctly, especially with regard to the wiring and labeling of the intrinsically safe circuits.
5.5 Connecting the cables
– Pluggable screw terminal blocks (on MACX MCR-PTB); litz wires provided with ferrules. Permissible cable cross-section: 0.75 mm 2 to 2.5 mm2. – Pluggable spring-cage terminal blocks (on MACX MCR-PTB-SP); litz wires provided with ferrules. Permissible cable cross-section: 0.75 mm2 to 1.5 mm2. – Screw connection: – Insert the wire into the corresponding connection terminal block. – Use a screwdriver to tighten the screw in the opening above the connection terminal block. – Spring-cage connection: – Insert a screwdriver in the opening above the connection terminal block. – Insert the wire into the corresponding connection terminal block.
5.6 Voltage supply
5.7 Configuration
If the supply for the MACX MCR-PTB(-SP) is non-redundant (as opposed to redundant), the relevant error message can be disabled via the DIP switch (switch 1= II). Similarly, the group error message for the connected devices can also be enabled or disabled (switch 2). /G43 /G41 /G42 NOTE: It is not permitted to draw power from the DIN rail connector or from individual modules. I II