Installation In Hazardous Areas - GE EP-5261 User Manual

Serial communication module
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RSTi-EP Slice I/O Serial Communication Module
Connecting RS-485 or RS-422 Device
The serial device must be connected using a twisted pair cable (U/UTP, Type Cat- 3 or J-2YY-2x2x0,6).
RS-485: Use one core pair for Data+/Data–; use any wire for the ground singal GND COM. The remaining free
wires should be connected to ground.
RS-422: Connect the wires for transmitting signals TXD+/TXD– and those for receiving signals RXD+/RXD– in
pairs respectively. Use any wire for the ground singal GND COM. The remaining free wires should be connected
to ground.
Refer to the RSTi-EP Slice I/O User Manual (GFK-2958) for additional information.
Technical assistance is available at http://support.ge-ip.com.

Installation in Hazardous Areas

EQUIPMENT LABELED WITH REFERENCE TO CLASS I, GROUPS A, B, C & D, DIV. 2 HAZARDOUS AREAS IS SUITABLE FOR USE IN
CLASS I, DIVISION 2, GROUPS A, B, C, D OR NON-HAZARDOUS AREAS ONLY
WARNING - EXPLOSION HAZARD - SUBSTITUTION OF COMPONENTS MAY IMPAIR SUITABILITY FOR CLASS I, DIVISION 2;
WARNING - EXPLOSION HAZARD - WHEN IN HAZARDOUS AREAS, TURN OFF POWER BEFORE REPLACING OR WIRING
MODULES; AND
WARNING - EXPLOSION HAZARD - DO NOT CONNECT OR DISCONNECT EQUIPMENT UNLESS POWER HAS BEEN
SWITCHED OFF OR THE AREA IS KNOWN TO BE NONHAZARDOUS.
ATEX Marking
II 3 G Ex nA IIC T4 Gc
Ta: -20 to +60°C (-4 to +140 °F)
Maximum Cable Length RS-422/485
Baud Rate in kbps
≤ 19200
38400
57600
115200
For public disclosure
Maximum Cable Length
1200 m (3937 ft), shielded
500 m (1640 ft)
250 m (820 ft)
200 m (656 ft)
11
GFK-2992B

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