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IM-S51-07 CTLS Issue 1
SP7-10, SP7-11, SP7-12 and SP7-20, SP7-21, SP7-22 Parameterization
3.14 Parameter group 10: digital input
3.14.1 FUNCTION – Digital input function selection
For the digital input, one of the following protective functions can be selected via local operation.
— No function (default)
— Move to 0 % position
— Move to 100 % position
— Hold previous position
— Disable local configuration.
— Disable local configuration and operation
— Disable all access (local or via PC)
The selected function is activated when the 24 V signal is no longer connected to the digital output (< 10 V DC).
The safety functions POS_0 %, POS_100 % and POS_HOLD are executed on the operating level in both control operating modes
P1.0 or P1.1. BIN_CTRL is shown in the display.
If a corresponding function is active, a corresponding value is defined internally for the positioner. The actuator is then driven into
the end position or position specified under consideration of the set point ramp, configured operating range, selected behavior etc.
After selecting an operation lock CNF_LOCK, OP_LOCK or ALL_LOCK, the key icon is displayed, indicating that the operation lock
will be activated at the next save.
After saving and without 24V at the digital input, the key is permanently displayed.
NOTE
The operation lock CNF _LOCK, OP LOCK or ALL_LOCK is displayed only if the voltage is connected to the
digital input.
CNF_LOCK
Local access to the configuration level is inhibited. However, local operation on the operating
level is possible. The positioner can be configured externally (via LCI / modem and PC). When
the operator tries to activate the configuration level, the text CNF_LOCK is displayed for approx.
5 seconds
OP_ LOC K
Local operation and configuration is completely inhibited. With every attempt to perform local
operating actions, the message OP_LOCK is shown for approx. 5 seconds.
NOTE
The positioner can be configured externally (via LCI / modem and PC).
ALL_LOCK
Local operation (operating level and configuration level) and external configuration via LCI /
modem and PC are inhibited. With every attempt to perform local operating actions, the message
ALL_LOCK is shown for approx. 5 seconds.
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