Max. 500 ohm
1…10 kohm
Analog input 1
1 SCR Signal cable shield (screen)
2 AI1 Output frequency/speed reference 1: 0…10 V 
5)
3 AGND Analog input circuit common
AI1 AI1 Current/Voltage selection for analog input 1
 
1)
Analog input 2
4 +10V Reference voltage 10 V DC
5 AI2 Not configured
6 AGND Analog input circuit common
AI2 AI2 Current/Voltage selection for analog input 2 
2)
Analog outputs
7 AO1 Output frequency: 0…20 mA
8 AO2 Output current: 0…20 mA
9 AGND Analog output circuit common
AO1 AO1 Voltage/Current selection for analog output 1 
3)
Auxiliary voltage output
10 +24V Auxiliary voltage output +24 V DC, max. 250 mA 
4)
11 DGND Auxiliary voltage output common
12 DCOM Digital input common for all
Programmable digital inputs DI1…DI3
13 DI1 Stop (0) / Start (1)
14 DI2 Forward (0) / Reverse (1)
15 DI3 Constant frequency/speed selection 
6)
Programmable digital inputs DI4…DI6
16 DI4 Constant frequency/speed selection 
6)
17 DI5
Ramp set1 (0) / Ramp set 2 (1) 
7)
18 DI6 Not configured
Relay outputs
19 RO1C Ready run
250 V AC / 30 V DC
2 A
20 RO1A
21 RO1B
22 RO2C Running
250 V AC / 30 V DC 
2 A
23 RO2A
24 RO2B
25 RO3C Fault (-1)
250 V AC / 30 V DC
2 A
26 RO3A
27 RO3B
EIA/5-485
29 B+
Embedded Modbus/RTU (EIA-485)
30 A-
31 DGND
TERM TERM Serial data link termination switch
BIAS BIAS Serial data link bias resistors switch
Safe torque off
34 OUT1
Safe torque off. Factory connection: Both circuits must be 
closed for the drive to start. See chapter Safe torque off 
function.
35 OUT2
36 SGND
37 IN1
38 IN2
External power input
40 24V AC/D+
24 V AC/DC, 1.5 A
41 24V AC/DC-
8)
10)
8)
9)