Installation
40 M-Max Series Adjustable Frequency Drive MN04020003E—October 2013 www.eaton.com
Control Signal Terminal Functions
The functions that are set in the ex-factory and the electrical connection data of all control
signal terminals are listed in the following table.
Factory-Set Control Terminal Functions
Note
Programmable function (see “List of Parameters” on Page 161).
Terminal Signal Factory setting Description
1 +10V Output nominal voltage — Maximum load 10 mA, reference potential GND
2 AI1 Analog signal input 1 Frequency reference value
0–10V (R
i
>200k ohms)
0/4–20 mA (R
B
= 200 ohms)
Selectable through microswitch S2
3 GND Reference potential — 0V
4 AI2 Analog input 2 PID controller, actual value
0–10V (R
i
>200k ohms)
0/4–20 mA (R
B
= 200 ohms)
Selectable through microswitch S3
5 GND Reference potential — 0V
6 24V Control voltage for DI1–DI6, output
(+24V)
— Maximum load 50 mA, reference potential GND
7 DI-C Reference potential of the digital
inputs DI1–DI6
LOGIC- (GND) Selectable through microswitch LOGIC –/+
8 DI1 Digital input 1 FWD start enable, forward
0–30V (R
i
>12k ohms)
9 DI2 Digital input 2 REV start enable, reverse
0–30V (R
i
>12k ohms)
10 DI3 Digital input 3 Fixed frequency B0
0–30V (R
i
>12k ohms)
13 DO– Digital output Active = READY
Transistor, max. 50 mA, supply voltage control
signal terminal 20
14 DI4 Digital input 4 Fixed frequency B1
0–30V (R
i
= 12k ohms)
15 DI5 Digital input 5 Error acknowledgment
0–30V (R
i
= 12k ohms)
16 DI6 Digital input 6 PI controller deactivated
0–30V (R
i
= 12k ohms)
18 AO Analog output Output frequency
0–10V, max. 10 mA
20 DO+ Digital output Supply voltage, see control signal
terminal 13
Supply voltage for digital output DO max. 48 Vdc,
max. 50 mA
22 R13 Relay 1, normally open contact Active = RUN
Maximum switching load:
250 Vac/2A or 250 Vdc/0.4A
23 R14 Relay 1, normally open contact Active = RUN
Maximum switching load:
250 Vac/2A or 250 Vdc/0.4A
24 R22 Relay 2, changeover contact
(N/C)
Active = FAULT
Maximum switching load:
250 Vac/2A or 250 Vdc/0.4A
25 R21 Relay 2, changeover contact Active = FAULT
Maximum switching load:
250 Vac/2A or 250 Vdc/0.4A
26 R24 Relay 2, changeover contact
(N/O)
Active = FAULT
Maximum switching load:
250 Vac/2A or 250 Vdc/0.4A
A A RS485 signal A BUS-communication Modbus RTU
B B RS485 signal B BUS-communication Modbus RTU
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