Installation Instructions

Chapter 5 - Control Unit
Option Board Installation
61 | 82
Siemens Industry, Inc.
Smart Infrastructure
Siemens BT300 HVAC Drive
Installation Instructions
DPD01148
2019-05-29
NOTICE
When planning the cable runs, remember to keep the distance between the
Ethernet cable and the motor cable at a minimum of 11.8 in (30 cm).
9.
The bus termination must be set for the first and the last device of the
fieldbus cable. See the following illustration. Also see Step 6 in this
procedure.
⇨
Siemens Industry, Inc. recommends that the first (terminated) device
on the cable be the Master device.
Figure 51: Fieldbus Cable.
Option Board Installation
NOTICE
Do not add or replace option boards or fieldbus boards on an AC drive with the
power switched ON. This may damage the boards.
The option boards are placed in the board slots on the drive.
The following table provides information about which option board can be placed in
which board slot on the drive.
Table 22: Option Board Compatibilities for Board Slots.
Option Board Type
Board Description
Insertable in
Slots
BT300-OPT-B1-V
I/O expansion board with six bidirectional digital signals (6x DI/DO, Programmable)
C, D, E
BT300-OPT-B2-V
I/O expansion board with two relay outputs and one thermistor (2x RO + Thermistor)
C, D, E
BT300-OPT-B4-V
I/O expansion board with one isolated analog input and two isolated analog outputs with a
standard o(4) to 20 mA signal (1x AI, 2x AO Isolated)
C, D, E
BT300-OPT-B5-V
I/O expansion board with three relay outputs (3x RO)
C, D, E