BeiJer BFI-H3 - Safe Torque Off, STO; Overview Control Inputs;Outputs

Beijer Electronics Frequency Inverter BFI-H3 KI00363B 2019-09
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4.7 Safe Torque Off, STO
BFI-H3 has two digital inputs for Safe Torque Off. These two inputs must be correct
connected otherwise the Drive will not run andInhibitwill be shown on the display.
If safety is not to be used terminal 12 must be connected to terminal 1 and terminal 13
connected to terminal 7. More about safety inputs can be read in User Manual BFI-H3.
4.8 Overview control inputs/outputs
Picture below shows an overview of control signals and factory set functionality.
Use internal or external 24 VDC.
The CPU board of BFI can be activated even though power supply, 380-480 VAC, is off. This is done by an external 24VDC
suppy to terminal 1 and 0 VDC to terminal 7. This must be a 24 VDC power supply only used for BFI:s and no other units.
2
3
5
6
7
1
DIN1: Startsignal and Reset
DIN2: Analog or Preset speed
DNI3: Analog1 or Analog2
+24 VDC
AIN1: Analog ref 1
+10 VDC
8
9
AOUT1: 0-10 V / 24 VDC
Output frequency 0-10 V
0 VDC
0 V reference
Relay Output 2
Drive Enabled
17
18
10
12
13
AIN2: Analog ref 2
STO+ Safety in +
STO- Safety in -
AOUT2: 0-10 V / 24 VDC
Output current 0-10 V
11
Relay Output 1
Drive Healthy
14
15
16
4
Wires should be
protected
against short
circuits as
shown above