User`s manual

Western Reserve Controls 1782-JDM User’s Manual
PUB 24.0
20
Table 4-1 Configuration Parameters
Parameter
Param.
Instance
Description Parameter Choices Default Setting
Default
Value
ModBus Mode 1
ModBus
communication
protocol
0 = ASCII, 1 = RTU ASCII 0
Device Rx Data
Size
2
Max size of bytes
received from the
ModBus device
0 – 100 48 48
Device Tx Data
Size
3
Max size of bytes
transmitted to the
ModBus device
0 – 100 48 48
ModBus Baud
rate
4
Serial link
communication
speed
0 = 9600
1 = 1200
2 = 2400
3 = 4800
4 = 19.2k
5 = 38.4k
9600 0
DeviceNet Baud
rate
5
DeviceNet
communication
speed
0 = 125k, 1 = 250k
2 = 500k, 3 = Autobaud
Autobaud 3
ModBus
Time-out Time
6
Timeout in 10 ms
ticks for a ModBus
response
0 = No time out
1 – 65535 = 1 ms to
65.535 sec
No time-out 00 00
Output Fault
Action
7
Action to take
upon a fault of the
DeviceNet
communication
link
0 = No Action
1 = Transmit String
No Action 0
Output Fault
Value / string
8
The string sent out
the port if Output
Fault Action is 1.
<user-defined string>
(up to 100 bytes)
None Null
Output Idle
Action
9
Action to take
upon an Idle
condition of the
DeviceNet
communication
link
0 = No Action, 1 =
Transmit String
No Action 0
Output Idle
Value / string
10
The string sent out
the port if Output
Idle Action is 1.
<user-defined string>
(up to 100 bytes)
None Null
Serial
communication
framing format
11
Framing
parameters for the
serial
communication
link
0 = 7N2
1 = 7E1
2 = 7O1
3 = 8N1
4 = 8N2
5 = 8E1
6 = 8O1
7N2 0
Definitions of these parameters are as follows:
1. ModBus Mode: The JDM can operate in either the ASCII or RTU mode for ModBus
communications.