External Set Point - promesstec UREG 200 User Manual

Ramp & timer combination

7.5 External set point

If SPMD is set to PV1 or PV2, the UREG200 can be
set with an external setpoint value. If SPMD = PV1,
then the external setpoint is connected to input 1 and
the process value to input 2. If SPMD = PV2, then the
external setpoint is connected to input 2 and the
process value to input 1. To achieve this, set the
parameters as follows:
Example 1, external setpoint at input 2
FUNC = FULL
IN2, IN2U, DP2, IN2L, IN2H are set according to the external setpoint.
PVMD = PV1
IN1, IN1U, DP1 are set according to the process signal.
IN1L, IN1H are set, if released, according to the process.
SPMD = PV2
Example 2, external setpoint at input 1
FUNC = FULL
IN1, IN1U, DP1, IN1L, IN1H are set according to the external setpoint.
PVMD = PV2
IN2, IN2U, DP2 are set according to the process signal.
IN2L, IN2H are set, if released, according to the process.
SPMD = PV1
Note: If PV1 is set for SPMD and PVMD error
code appears
and PVMD, error code appears
use the same PV with SPMD and PVMD, be
cause then the controller cannot regulate
properly.
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. If PV2 is set for SPMD
. Never
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Setting
FUNC = FULL
SPMD= PV2, PVMD = PV1
or
SPMD = PV1, PVMD = PV2
Error messages
76