Siemens BT300 Installation Instructions Manual page 51

Siemens Industry, Inc.
Building Technologies
Figure 38: Control I/O Terminal Signals on Basic I/O Board and Connection Example.
*Digital inputs can be isolated from ground, see the
Inputs from Ground with DIP Switches
Figure 39: Slot B Terminal Connections.
Siemens BT300 HVAC Drive Installation
Instructions
Chapter 5 - Control Unit
Control Terminals and DIP Switches
Selecting Terminal Functions and Isolating Digital
section.
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DPD01148
2016-06-28