7 Control Unit
7.1 Control Unit Components
STO JMP
L
I
M
K
H
G
F
J
E
D
A
B
C
e3
0b
h3
31
.1
0
A
The control terminals for the standard I/O connections
C
The relay board terminals for 3 relay outputs or 2 relay
outputs and a thermistor
E
A DIP switch for the RS485 bus termination
G
A DIP switch for the isolation of the digital inputs from
ground
I
A DIP switch for the signal selection of Analog Input 1
K
A fan (only in IP54 of MR4 and of MR5)
M
The location and the default position of the Safe Torque Off
(STO) jumper
B
The Ethernet connection
D
The option boards
F
A DIP switch for the signal selection of Analog Output
H
A DIP switch for the signal selection of Analog Input 2
J
The status indicator of the Ethernet connection
L
The battery for the RTC
Illustration 19: Components of the Control Unit
Control Unit
Operating Guide | VACON® 100 Wall-mounted Drives
AQ298036140958en-000101 / DPD01711
64 | Danfoss A/S © 2019.05