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mAI085-MB Actuator Interface Technical Manual /4
Distributive Intelligence
CMC INDUSTRIAL ELECTRONICS LTD
ID Label Description of Operation
7 Clear key and
lamp
Clears all actuator setpoints. First press illuminates the lamp, the second
press clears the setpoints and turns off the lamp. The lamp will turn off
automatically after 10 seconds if the key is not pressed the second time
and the setpoints will not be cleared.
If the CLEAR lamp is illuminated continuously and the operator keyboard
does not function, the keyboard has been locked by the Modbus
interface. Pressing and holding the CLEAR key for 10 seconds will
unlock the keyboard. The CLEAR lamp will extinguish when the
keyboard is unlocked. The setpoints will not be cleared during this
operation.
8 Open / Close keys
and indicators
Opens or closes the actuators to their pre-set values. The indicators
display which mode is active.
9
Process Value
Displaying the actuator position
10 Status Indicators
MOV - actuator is currently moving to setpoint
OPN – if configured, indicates the actuator is fully open
CLS - if configured, indicates the actuator is fully closed
EMP - if configured, indicates the bin served by the actuator is empty
11 Fault Indicators
OL – if configured, the actuator has faulted due to excess running current
IDL - if configured, the actuator has faulted due to excess idle current
POS – the actuator failed to reach the selected position
FLT – the actuator controller is not communicating or has a hardware
fault
12 Scan key Press once to scan through all controllers at 1 second intervals. Press
the SCAN key again to cancel scanning. Pressing the up or down
actuator selection keys also cancels scanning.
Table 1 - Description of Keys and Indicators