Cpu Communication Ports - GE C30 Instruction Manual

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3.2 WIRING
a) OVERVIEW
In addition to the faceplate RS232 port, the C30 provides two additional communication ports or a managed six-port Ether-
net switch, depending on the installed CPU module. In the following table, multiple Ethernet ports are supported, but only
one can be used at a time. For example, the 10Base-F (normal) port and 10Base-T (alternate) port are supported in the 9G
module, but only one can be used at a time.
The CPU modules do not require a surge ground connection.
NOTE
Table 3–3: CPU MODULE COMMUNICATIONS (APPLICABLE MODULE DEPENDS ON ORDER CODE)
3
CPU TYPE
COM1
9E
RS485
9G
10Base-F or 10Base-T (obsolete)
9H
Redundant 10Base-F or 10Base-T (obsolete)
9J
100Base-FX or 10/100Base-T
9K
Redundant 100Base-FX or 10/100Base-T
9L
100Base-FX (obsolete)
9M
Redundant 100Base-FX (obsolete)
9N
10/100Base-T
9S
Six-port managed Ethernet switch
For the 9G/9H CPU, the 10Base-T port can only be used when the CH1 10Base-F fiber has been removed. The
10Base-T Ethernet cable and the CH1 10Base-F fiber cable cannot both be installed at the same time.
NOTE
For the 9J/9K CPU, the 10/100Base-T port has the lowest priority and is only active if both CH1 and CH2 fiber links
are down. Installation of the 10/100Base-T Ethernet cable at the same time as the CH1 and/or CH2 100Base-F
fiber cables does not affect the communication over the CH1 or CH2 fiber ports.
3-20
C30 Controller System
3 HARDWARE

3.2.8 CPU COMMUNICATION PORTS

COM2
RS485
RS485
RS485
RS485
RS485
RS485
RS485
RS485
RS485
GE Multilin

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