ControlMaster CM30 and CM50
Universal process controllers,
1
/4 and
1
/2 DIN 7 Advanced Level
36 IM/CM/ED–EN Rev. B
7.4 Control
Enables the setpoints, control functions and outputs to be configured.
Loop 1 (2) Setpoints The controller can have up to 4 independent local setpoint values, remote setpoint
functionality and the ability to limit the absolute values and rate of change of the control
setpoint.
Loop 2 Setpoint settings apply to the slave controller if a Cascade application template is
selected –
see Section 8, page 64 for template options.
Note. This section is not applicable for Auto/Manual Station, Single & Dual Indicator, Ratio
Station templates –
see Section 8, page 64 for template options.
Low Limit
High Limit
The setpoint limit parameters define the maximum and minimum values for the local and/or
remote setpoints. The setpoint limits do not apply when in Manual control mode with local
setpoint tracking enabled. If the setpoint is outside of limits when Auto control mode is
selected, the setpoint value can be adjusted only towards its limits.
Once within the limits they apply as normal.
No. of Local SP’s Selects the number of independent local (internal) setpoints required.
The local setpoints can be selected from the Operator level menu or via a digital signal.
Local Setpoint 1 (4) If the value is adjusted in the Operator level, its value here is also updated.
Track Mode The local (internal) setpoint can track another value according to the setpoint tracking mode
selected.
Off
No tracking.
Local
The local (internal) setpoint tracks the process variable when Manual control mode is
selected.
Remote
The local (internal) setpoint tracks the remote (external) setpoint when in Remote Setpoint
mode. If the controller is put into Manual control mode the setpoint reverts from Remote to
Local. This also applies to the local and remote ratio when a ratio controller template is
selected –
see Section 8, page 64 for template details.
Note. Available only if the template selected has remote setpoint or ratio functionality.
Local and Remote
Note. Available only if the template selected has remote setpoint or ratio functionality.
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