Installation Instructions

Chapter 7 - Technical Data
Control Board Technical Specifications
81 | 82
Siemens Industry, Inc.
Smart Infrastructure
Siemens BT300 HVAC Drive
Installation Instructions
DPD01148
2019-05-29
Control Board Technical Specifications
Table 24: Control Module Technical Specifications
Terminal
Signal/Description
Specification
Slot A
1
+10 Vdc Reference Output
+3%; Maximum current 10 mA
2
Analog Input 1 Signal (+)
0-10 Vdc or 0-20 mA (selection with DIP switch)
Resolution: 0.1%, Accuracy: ±1%
3
Analog Input 1 Common (-)
4
Analog Input 2 Signal (+)
0-10 Vdc or 0-20 mA (selection with DIP switch)
Resolution: 0.1%, Accuracy: ±1%
5
Analog Input 2 Common (-)
6
24 Vdc Output Voltage
±10%; Maximum 250 mA
7
I/O Ground
8
Digital Input 1
Positive or negative logic;
0 Vdc - 5 Vdc = 0; 15 Vdc - 30 Vdc = 1
9
Digital Input 2
10
Digital Input 3
11
Common for DI 1 - DI 6
12
24 Vdc Output Voltage
±10%; Maximum 250 mA
13
I/O Ground
14
Digital Input 4
Positive or negative logic;
0 Vdc - 5 Vdc = 0; 15 Vdc - 30 Vdc = 1
15
Digital Input 5
16
Digital Input 6
17
Common for DI 1 - DI 6
18
Analog Output 1 Signal (+)
0-10 Vdc or 0-20 mA (selection with DIP switch)
Resolution: 0.1%, Accuracy: ±1%
19
Analog Output 1 Common (-)
30
24 Vdc Input Voltage
±10%; Maximum 250 mA; Used for power backup of
control unit.
A
RS-485 -
Fieldbus Negative
B
RS-485 +
Fieldbus Positive
Slot B
21
Relay Output 1 Normally Closed
Switching capacity: 24 Vdc/8A; 250 Vac/8A;
125 Vdc/0.4A
Minimum switch load: 5 Vdc/0 mA
22
Relay Output 1 Common
23
Relay Output 1 Normally Open
24
Relay Output 2 Normally Closed
Switching capacity: 24 Vdc/8A; 250 Vac/8A;
125 Vdc/0.4A
Minimum switch load: 5 Vdc/0 mA
25
Relay Output 2 Common
25
Relay Output 2 Normally Open
32
Relay Output 2 Common
Switching capacity: 24 Vdc/8A; 250 Vac/8A;
125 Vdc/0.4A
Minimum switch load: 5 Vdc/0 mA
33
Relay Output 2 Normally Open