23
m-120-en-02
Pin
no
Input or
output
Function
Referenced to
1
Digital input
Analogue Voltage or Current Signal
Input Select
Connect to Digital Ground for Current
2
Analogue
input
Analogue Voltage or Current Signal
Input (+)
Referenced to Analogue Ground
3
Ground
Analogue Ground (0V)
4
Digital input
Remote Direction Enable
Connect to Digital Ground to enable
5
Digital input
Remote Direction
Connect to 5VDC for counter-clockwise
operation
6
N/A
For future use
N/A
7
Digital input
Manual or Auto Mode Select
Connect to 5VDC Supply for Auto
Mode
8
Digital input
Remote Start/Stop
Connect to 5VDC Supply to stop
9
Analogue
output
Analogue Tacho Output
Referenced to Analogue Ground
(0-5VDC signal)
10
Ground
Analogue Ground (0V)
11
Ground
Digital Ground (0V)
12
Ground
Digital Ground (0V)
13
DC supply
5VDC Supply (+)
Referenced to Ground
14
Digital output
Alarm Output (5V TTL)
Referenced to Digital Ground
15
DC supply
12VDC Supply (+)
Referenced to Ground
Note: The pin allocation of the 120U differs from the pin allocation of the 101U and the 401U. See overleaf
for details.