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Remote Setpoint (RSP)
An RSP is a secondary analogue input that is use to adjust a controller's setpoint using an
external linear DC Voltage or mA input signal, or in some cases potentiometer or mV inputs.
The Remote Setpoint value is constrained by the Setpoint Upper Limit and Setpoint Lower
Limit settings in the same way as a local setpoint. Typical applications are Master/Slave and
Cascade Control.
Display code = 0:- .
Also refer to Cascade Control, Remote Setpoint Input, Remote Setpoint Lower Limit, Remote
Setpoint Upper Limit, Setpoint and Setpoint Select.
Remote Setpoint Input Range
Defines the type and range of the linear input signal (mADC, mVDC, VDC or potentiometer)
for the Remote Setpoint. mVDC and potentiometer are only available with Full RSP module.
Display code = 0:-< .
Also refer to Remote Setpoint and Setpoint.
Remote Setpoint Lower Limit
Defines the value of the Remote Setpoint when the RSP input signal is at its minimum value
(eg for a 4 to 20mA RSP, the value when 4mA is applied). It may be adjusted within the
range -1999 to 9999; (decimal position same as for process variable input). However, the
RSP value is always constrained within the Setpoint Upper Limit and Setpoint Lower Limits.
Display code = 9:-+ , default value = PV input range minimum.
Also refer to Remote Setpoint, Remote Setpoint Input, Remote Setpoint Upper Limit, Remote
Setpoint Offset, Setpoint and Setpoint Upper Limit and Setpoint Lower Limit.
Remote Setpoint Upper Limit
Defines the value of the Remote Setpoint when the RSP input signal is at its maximum value
(eg for a 4 to 20mA RSP, the value when 20mA is applied). It may be adjusted within the
range -1999 to 9999; (decimal position same as for process variable input). However, the
RSP value is always constrained within the Setpoint Upper Limit and Setpoint Lower Limits.
Display code = 9:-= , default value = PV input range maximum.
Also refer to Remote Setpoint, Remote Setpoint Input, Remote Setpoint Lower Limit, Remote
Setpoint Offset, Setpoint and Setpoint Upper Limit and Setpoint Lower Limit.
Remote Setpoint Offset
Used to adjust the Remote Setpoint input value. Positive values are added to the RSP
reading, negative values are subtracted. It is adjustable in the range –1999 to 9999, but is
constrained within the Scale Range Upper Limit and Scale Range Lower Limit.
Display value = 9:-" , default value = 0.
Also refer to Remote Setpoint, Scale Range Upper Limit and Scale Range Lower Limit.
Retransmit Output
A linear DC voltage or mA output signal, proportional to the Process Variable or Setpoint, for
use by slave controllers or external devices, such as a Data Recorder or PLC. The output
can be scaled to transmit any portion of the input or setpoint span.
Also refer to Input Span, Master & Slave, Process Variable and Setpoint.
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Glossary
- DIN Controllers & Indicators - Product Manual
59305, Issue 5 – March 2005
Type: Controller Definition
Type: Controller Parameter
Type: Controller Parameter
Type: Controller Parameter
Type: Controller Parameter
Type: General Definition
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