Woodward MicroNet TMR 5009, Installation/Hardware Manual

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Manual 85580V2 5009 Installation/Hardware
Woodward 53
Figure 4-15. Example Relay Output Wiring Diagram
Serial Communications
Each control has a minimum of three serial communication ports, one on each
CPU. Serial Input/output (SIO) modules are provided in the A and B kernel
section to increase communication reliability, redundancy, and the number of
available communication ports.
When an SIO card is installed in a kernel, the CPU communication port on the
same kernel cannot be used anymore for Modbus communication. CPU-C port
can only be used as a PCI interface port. CPU-B can be configured as a PCI
backup, Modbus #2 port 2 (if no SIO_B installed) or printer.
Modbus #1 and Modbus #2 each have two communication ports connected. It is
recommended that these two ports used for the same Modbus (#1,#2), have the
same settings.
Port configurations:
•
CPU-A (RS-232 only) functions as a Modbus #1 port 1 communication port,
or is disabled, if SIO-A is installed.
•
CPU-B (RS-232 only) functions as a Modbus #2 port 2 communication port
(unless SIO-B is installed), Alarm/Trip printer driver port. It can also be
configured to automatically become the PCI interface port if CPU-C fails.
•
CPU-C port (RS-232) functions as a DDE communication port for PCI.
•
SIO-A Port 1 (RS-232) functions as an Alarm/Trip Printer driver port.