DISCRETE INPUT
1-bit status registry (Read).
Modbus function 02 "Read Input Status" is used for reading.
Reads 1 if a fault has occurred.
0 = normal
1 = alarm
Address Name
Designation
Data
form
Read/
Write
Factor Unit
1
Error
Error regardless of which fault
has occurred.
Single bit Read
2
Tripped control
Control has tripped and cannot
reset itself
Single bit Read
3
Motor temperature
Motor overheating
Single bit Read
4
Low temperature
Low temperature in the control
unit
Single bi Read
5
Overheating AC
Overheating in the control unit Single bit Read
6
Under-voltage AC
Low supply voltage
Single bit Read
7
Voltage surge AC
High supply voltage
Single bit Read
8
Surge
Several surge events
Single bit Read
9
Rotation monitor
Alarm, rotation monitor
Single bit Read
10
Rotating rotor
Rotor rotates on resetting
Single bit Read
11
Excess current
Excess current in the motor
Single bit Read
12
Overload, fast
Overload
Single bit Read
13
Overload
Overload
Single bit Read
14
Underload
Push load
Single bit Read
15
Motor control
Error in motor control
Single bit Read
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