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 (Ri >200k ohms)
0/4–20 mA (RB = 200 ohms)
Selectable through microswitch S2
3
GND
Reference potential
—
0V
4
AI2
Analog input 2
PID controller, actual value
0–10V (Ri >200k ohms)
0/4–20 mA (RB = 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 (Ri >12k ohms)
9
DI2
Digital input 2
REV start enable, reverse
0–30V (Ri >12k ohms)
10
DI3
Digital input 3
Fixed frequency B0
0–30V (Ri >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 (Ri = 12k ohms)
15
DI5
Digital input 5
Error acknowledgment
0–30V (Ri = 12k ohms)
16
DI6
Digital input 6
PI controller deactivated
0–30V (Ri = 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