![background image](http://html2.mh-extra.com/html/danfoss/vacon-100-industrial/vacon-100-industrial_operating-manual_3517857084.webp)
B
Move the fieldbus cables away from the motor cable.
A
e3
0b
h3
37
.1
0
A
The fieldbus cables
Illustration 41: Routing the Fieldbus Cables
7.5 Available Option Boards
Table 21: Option Boards and their Correct Option Board Slots
The option board
The name of the option board
The correct slot or slots
OPTB1
The I/O expander board
C, D, E
OPTB2
The Thermistor relay board
C, D, E
OPTB4
The I/O expander board
C, D, E
OPTB5
The Relay board
C, D, E
OPTB9
The I/O expander board
C, D, E
OPTBF
The I/O expander board
C, D, E
OPTBH
The Temperature measurement board
C, D, E
OPTBJ
The Safe Torque Off board
E
OPTC4
The LonWorks fieldbus board
D, E
OPTE2
The RS485 (Modbus/N2) fieldbus board
D, E
Control Unit
Operating Guide | VACON® 100 Wall-mounted Drives
AQ298036140958en-000101 / DPD01711
84 | Danfoss A/S © 2019.05