GFK-0356Q Chapter 8 Option Modules 8-31
8
IC693PCM300/301/311 Programmable Coprocessor Module (PCM)
The Programmable Coprocessor Module (PCM) is a high performance coprocessor for the Series
90-30 Modular CPUs (will not work with Embedded CPU models 311, 313, or 323). The PCM
supports the Modbus RTU and GE Fanuc CCM protocols, as well as the MegaBasic and C
programming languages. A free program for using this module as an RTU Master can be
downloaded from the GE Fanuc website. The PCM has two separate ports, both accessed on one
front panel connector.
The PCM is available in three versions. Each version is listed below with the total memory on the
board and the nominal user-available MegaBasic program memory size.
PCM Catalog Number Total Memory User Megabasic memory
IC693PCM300 160K 35K
IC693PCM301 192K 47K
IC693PCM311 640K 190K
a43734
PCM300
COPROC
OK
US1
US2
BD OK
P1 OK
P2 OK
RESTART
BATTERY
PORTS 1 & 2
CONNECTOR
Figure 8-19. Programmable Coprocessor Module (PCM)
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