ABB CM30 User Manual page 47

ControlMaster CM30 and CM50
Universal process controllers,
...Control / ...Loop 1 (2) Output
A/M Select Sources
Auto Select
Manual 1 (2) Select
Manual 1 (2) Output
Last Auto O/P
Man – 0%
Man – 100%
Config Value
Manual 1 (2) Config
O/P
A/M Toggle
A/M Output
Last Auto O/P
Man – 0%
Man – 100%
Config Value
A/M Config O/P
Slew Rate
Function
Off
Up and Down
Up
Down
IM/CM/ED–EN Rev. B
1 1
/ and / DIN
4 2
Selection of Auto and Manual control modes can be controlled by digital signals; either from
internal digital signals (for example, alarm states) or from external signals via digital inputs (or
digital communications).
The source required to select Auto control mode. Selection is
made on the rising edge of the digital signal.
The source required to select Manual control mode.
Selection is made on rising edge of the digital signal. The
output value is set according to Manual 1 (2) Output.
Determines the Manual output value to be set when the
controller is put into Manual control mode (see page 5) using
Manual 1 (2) Select source.
Holds the output at its value prior to switching to Manual
control mode.
Sets the output to 0 %.
Sets the output to 100 %.
Sets the output to the value set in Manual 2 Output.
Used when Manual 1 (2) Output is set to Config Value.
The source required to toggle between Auto and Manual
control modes. When the digital signal is high the controller is
locked in Manual control mode (front panel keys [see page 5]
and other digital select signals have no effect). When the digital
signal is low Auto control mode is selected. When in the low
state, either the front panel keys (see page 5) or
edge-triggered digital signals can be used to put the controller
into Manual control mode.
Sets the manual output value to be set when the controller is
put into Manual control mode using A/M Toggle source.
Holds the output at its value prior to switching to Manual control mode.
Sets the output to 0 %.
Sets the output to 100 %.
Sets the output to the value set in A/M Config O/P.
Used when A/M Output is set to Config Value.
The output slew rate – restricts the maximum rate of
change of the control output.
Selects if the output slew rate function is enabled and when it applies.
The Slew Rate applies to increasing and decreasing output values.
The Slew Rate applies to increasing output values only.
The Slew Rate applies to decreasing output values only.
7 Advanced Level
Auto
Mode
Manual
Mode
Manual
Auto
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