Emerson Unidrive M400 Series Quick Start Manual page 3

4 Electrical installation
Figure 4-1 below shows an overlay of the electrical connections / terminals available on the drive. For
further information regarding terminal specification, cable sizes etc., refer to the Unidrive M400 User
Guide.
Figure 4-1 M400 Overlay of electrical connections
Zero frequency
Run forward
Run reverse
Analog input 1/
Analog input 2 select
Jog forward
1 ph/3 ph
AC power
supply
5 Keypad and display
The keypad and display provide information to the user regarding the operating status of the drive and trip
codes, and provide the means for changing parameters, stopping and starting the drive, and the ability to
perform a drive reset.
Figure 5-1 Unidrive M400 keypad detail
(1)
The Enter button is used to enter parameter view or edit mode, or to accept a parameter edit.
(2) The Navigation keys can be used to select individual parameters or to edit parameter values. In
keypad mode, the 'Up' and 'Down' keys are also used to increase or decrease the motor speed.
(3) The Start key is used to start the drive in keypad mode.
(4) The Stop / Reset key is used to stop and reset the drive in keypad mode. It can also be used to reset
the drive in terminal mode.
(5) The Escape key is used to exit from the parameter edit / view mode or disregard a parameter edit.
Unidrive M400 Quick Start Guide
Issue Number: 1
Digital I/O
0 V
24 V user
Digital I/O1
Digital I/O 2
Digital input 3
Digital input 4
Digital input 5
Digital input 6
Digital input 7
24 V user
Safe Torque
Off
STO1
User enable 1
/ STO input 1
0 V
STO1
0 V
STO2
STO2
User enable 2
/ STO input 2
AC supply
5
3
Analog I/O
0 V
6 1
Analog input 1+
9
2
Analog input 1-
10
3
10 V user
11 4
Analog input 2
12 5
Analog output 1
13
7
Analog output 2
14
8
15
16 Relay
41
17
42
DC bus/Brake
31
BR
32
+
33
_
34
Motor
L1 U
L2
V
L3
W
Frequency
reference 1
Frequency
reference 2
Frequency output
Torque producing
current output
Drive ok
Thermal relay
Braking resistor
(optional)
1
2
4
T
3