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Table 10 - 857-RAD External Analog Outputs Parameter Setup
Parameter
Value
AO enabled
ON
OFF
mA output
0...20
mA Min
User defined. See
various measurands that can be linked to any
of the four analog outputs.
mA Max
User defined. See
various measurands that can be linked to any
of the four analog outputs.
AO Link
See
Configure the 857-RAD Analog Outputs
on page 35
Analog Output Settings
Click External Analog Output in SetPointPS.
In the External Analog Output tab, you will find all of the analog output
settings within the quick setup screen. There are 16 possible analog output
channels. Only the first four are currently supported.
IMPORTANT Some of the parameters are preset by the hardware configuration. Not all
Explanation
Analog output enabled
Analog output not enabled
Analog output current in mA
Table 11 on page 28
for the
Minimum output current in mA
Table 11 on page 28
for the
Maximum output current in mA
857' s analog input or measurement
relationship
Rockwell Automation Publication 857-UM002C-EN-P - February 2018
fields need to be changed.
Notes
These will be the first four lines of the table.
Depends on the values set for the parameters mA Min, mA Max,
Linked Val. Min/Max and Modbus Min/Max parameters.
Depends on the values set for the parameters:
Linked Val. Min and Min Modbus.
Value set is related to Modbus Min by a ratio of 1:1000.
Typical Value: 0 mA
Depends on the values set for the parameters:
Linked Val. Max and Max Modbus.
Value set is related to Modbus Max by a ratio of 1:1000.
Typical value: 20 mA (maximum of 25 mA)
This parameter directly linked to the mA output parameters. A
selection between 30 different measurements is available.
Configure the Base 857 Relay
Chapter 4
27
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