Example Of Control Connections - Siemens BT300 Applications Manual

Siemens Industry, Inc. • 22
3.2

Example of control connections

Reference potentiometer
W
1...10 k
Remote reference
4...20mA/0...10V
(programmable)
mA
To Relay board
1 or 2
Table 11. Connection example, standard I/O board.
Standard I/O board
Terminal
1 +10 Vref Reference output
Analog input,
2 AI1+
voltage or current
3 AI1- Analog input common (current)
Analog input,
4 AI2+
voltage or current
5 AI2- Analog input common (current)
6 24Vout 24V aux. voltage
7 GND I/O ground
8 DI1 Digital input 1
9 DI2 Digital input 2
10 DI3 Digital input 3
11 CM
Common A for DIN1-DIN6
12 24Vout 24V aux. voltage
13 GND I/O ground
14 DI4 Digital input 4
15 DI5 Digital input 5
16 DI6 Digital input 6
17 CM Common A for DIN1-DIN6**
18 AO1+ Analog signal (+output)
19 AO-/GND Analog output common
30 +24 Vin 24V auxiliary input voltage
A RS485 Serial bus, negative
B RS485 Serial bus, positive
*
Selectable with DIP switches, see Siemens BT300 Installa-
tion Manual
**
Digital inputs can be isolated from ground. See Installation
Manual.
24-hour support +1-800-877-7545 (Dial 2)
Siemens Application
Signal Default
*
Voltage
Current
Start FWD
Start REV
Fault
**
Preset freq
select 1
Preset freq
select 2
Fault reset
Output fre-
quency