Chapter 2: Possible Configurations
11
Direct Connection
The RS232 port on the PLC can be used to make a direct connection to the processor. The processor
port has a fixed baud rate of 9600. (A few AutoMate 20 PLCs have a 9600/1200 option.) The PLC
node number is set through the programming port using a programming terminal, and is stored in non-
volatile memory. Since communications are direct, the slot designation is always zero.
Example:
Processor ID# = 5
PanelMate PLC ID# = 5.0
An Operator Station connected directly to the programming port of an AutoMate 20 PLC should be
deactivated before starting up the PLC. This model PLC stops if it receives a command from the
programming port in the first few seconds after starting up. The Operator Station may be deactivated
by either disconnecting the cable from the programming port or by putting the Operator Station in
offline mode.
Summary of Contents for Cutler-Hammer PanelMate
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