Rs232 Faceplate Program Port; Cpu Communication Ports - GE UR Series Instruction Manual

3 HARDWARE
A 9 pin RS232C serial port is located on the relay's faceplate for programming with a portable (personal) computer. All that
is required to use this interface is a personal computer running the URPC software provided with the relay. Cabling for the
RS232 port is shown in the following figure for both 9 pin and 25 pin connectors.
Note that the baud rate for this port is fixed at 19200 bps.
RELAY
FRONT PANEL FRONT PANEL
PROGRAM PORT PROGRAM PORT
9 PIN 9 PIN
RS232 RS232
D CONNECTOR D CONNECTOR
In addition to the RS232 port on the faceplate, the relay provides the user with two additional communication port(s)
depending on the CPU module installed.
Table 3–4: CPU COMMUNICATION PORT OPTIONS
CPU TYPE COM 1
9A RS485
9C 10BASE-F
9D Redundant 10BASE-F
D2a
D3a
D4a
COM
D3b
D4b
D5b
COM
D5a
D6a
D7b
GE Power Management
RS232 INTERFACE RS232 INTERFACE
RELAY RELA COMPUTER COMPUTER
1 1 8
2
2 3
TXD TXD RXD RXD
3 3 2
RXD RXD TXD TXD
20 20
4 4
5 5 7
SGND SGND SGND SGND
6
6 6
7 7 4
8
8 5
9 9 22 22
25 PIN 25 PIN
9 PIN 9 PIN
CONNECT CONNECTOR
CONNECT CONNECTOR OR
Figure 3–18: RS232 FACEPLATE PORT CONNECTION
COM 2
RS485
RS485
RS485
Tx
10BaseF
RS485
Rx
COM 1
10BaseT
D3b
RS485
D4b
COM 2
D5b
COM
D5a
IRIG-B
D6a
D7b
SURGE
Figure 3–19: CPU MODULE COMMUNICATIONS WIRING
L90 Line Differential Relay

3.2.7 RS232 FACEPLATE PROGRAM PORT

Front panel 9 pin RS232 Program port Front panel 9 pin RS232 Program port
1: 1: N/A N/A
2: 2: (TXD) (TXD)
3: 3: (RXD) (RXD)
4: 4: N/A N/A
PERSONAL
COMPUTER 5: 5: (SGND) Signal Ground (SGND) Signal Ground
6: 6: N/A N/A
7: 7: N/A N/A
8: 8: N/A N/A
9: 9: N/A N/A
RS232 RS232
D CONNECTOR D CONNECTOR
COM1 OR COM2 COM1 OR COM2
SERIAL PORT SERIAL PORT
827758A3.DWG 827758A3.DWG
OR

3.2.8 CPU COMMUNICATION PORTS

Tx1
10BaseF
Rx1
Tx2
10BaseF
NORMAL
Rx2
COM
1
10BaseT
TEST ONLY
D3b
RS485
D4b
COM 2
D5b
COM
D5a
IRIG-B
D6a
D7b
SURGE
3.2 WIRING
NORMAL
COM
ALTERNATE
1
TEST ONLY
RS485
COM 2
IRIG-B
SURGE GROUND
COMMOD.CDR
P/O 827719C2.CDR
3-17
3