General Dynamics CG-1220, Operation And Maintenance Manual

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Appendix C– DTR Remote M&C Protocol CG-6073 (Rev R, Jun, 2012)
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SLAVE ADDRESS
Path:
/ CONFIGS COMM-PARAM PORT-3 SLAVE-ADDRESS
Type:
Data Editor
Syntax:
SLAVE-ADDRESS [= n] | [D]
Range:
Integer: 0 .. 31
Notes:
SLAVE ADDRESS is the address of this unit (a slave, controlled) on the multi-drop
RS-485 bus. There are a maximum of 32 addresses, ranging from 0 to 31. On the
bus, the actual ASCII value used for addressing is the address assigned here plus
the value of the parameter ADDRESS OFFSET.
ADDRESS OFFSET
Path:
/ CONFIGS COMM-PARAM PORT-3 ADDRESS-OFFSET
Type:
Data Editor
Syntax:
ADDRESS-OFFSET [= n] | [D]
Range:
Integer: 0 .. 224
Notes:
ADDRESS-OFFSET is the offset added to the multi-drop bus address of a device to
determine the ASCII value needed to be used on the bus.
Example:
ADDRESS-OFFSET is 48 (ASCII for '0')
MASTER-ADDRESS is ‘0’
SLAVE-ADDRESS is ‘1’
In the above example the ASCII value on the RS-485 multi-drop bus would be 48
(ASCII for '0') for the master, and 49 (ASCII for '1') for the slave.