NFO
Drives
AB
2021
201013
‐
2
Operating
and
Installation
Manual
10
11 0V
0V, I/O Ground
12 0V
13 RE1.NO Relay 1 NO
Fault relay, potential-free contact max 1 A, 50 V DC.
If fault present, terminals 14 are 15 closed.
14 RE1.COM
Relay 1 COM
15 RE1.NC Relay 1 NC
16 RE2.NO Relay 2 NO
Run indication, potential-free contact max 1 A, 50 V DC.
Terminals 16 and 17 are closed when motor is running.
17 RE2.COM
Relay 2 COM
18 RE2.NC Relay 2 NC
19 PE
Protective
earth
20
AIN1.P
Analogue input 1, pos
Analogue setpoint input, positive
21
AIN1.N
Analogue input 1, neg
Analogue setpoint input, negative (0V, I/O Ground)
22
AIN2.P
Analogue input 2, pos
Process regulator actual value input, positive
23
AIN2.N
Analogue input 2, neg Process
regulator actual value input, negative (0V, I/O Ground)
24
AOUT1.I
Analogue output 1, I
Current output 1
25
AOUT1.U
Analogue output 1, U
Voltage output 1, impedance 50
Ω
26
AOUT2.I
Analogue output 2, I
Current output 2
27
AOUT2.U
Analogue output 2, U
Voltage output 2, impedance 50
Ω
28 +24V
+24V (same as terminal 9 and 10)
29 +24V
30 0V
0V, I/O Ground (same as terminal 11 and 12)
31 0V
32 RS485.A
RS 485 +
33 RS485.A
34 RS485.B
RS 485 -
35 RS485.B
36
PE
Protective earth
Table 3. Signal terminals and their use
Digital inputs (terminals 1 - 8), positive logic:
Maximum input voltage: 30V
Switch level:
13V (input voltage
higher
than switch level is considered as active level)
Impedance:
10k
Ω
Digital inputs (terminals 1 - 8), negative logic:
Maximum input voltage: 30V
Switch level:
9V (input voltage
lower
than switch level is considered as active level)
Impedance:
10k
Ω
3006469-2022-04
