Elmo Rietschle G-BH10 User Manual
Page 13
Installation and Commissioning
© Gardner Denver Deutschland GmbH
13 / 30
610.44431.40.000
Supply voltage/ control signal connection side:
The connector for supply voltage / control signal connection (connector X3) is shown in Fig. 7,
page 14.
On the supply voltage / control signal connection side the assignment is as follows:
Symbol Description
Lead colour Pin
A
Mode of operation
States:
1 (High): 5…24 V
0 (Low): < 0.5 V
white Pin
1
+U
B
+ Operating voltage
38 ... 52 V
red
Pin 2
-
Not used
violet
Pin 3
n
Soll
(S
+
) Speed reference value
Control voltage: 0…10 V
Reference value of the desired speed of the
G-BH100.
green Pin
4
B
Mode of operation
States:
1 (High): 5…24 V
0 (Low): < 0.5 V
grey Pin
5
IST
Actual speed (optional)
Open Collector output
Here the rotor speed can be read
yellow Pin
6
Gnd
- Operating voltage
0 V
black
Pin 7
S
-
Ground Set Value input
0 V
brown
Pin 8
Via the digital control inputs A and B the direction/mode of operation is determined.
The following states are possible:
Level A
Level B
Mode of operation
0
0
Output stage disabled (no current).
0 1 Counter-clockwise
rotation
(according to the arrow indicating the direction of rotation on the pump lid):
Main / operating direction of rotation of the G-BH100!
1 0 Clockwise
rotation
(opposed to the arrow indicating the direction of rotation on the pump lid):
1 1 Breaking
Please take also note of the following data:
Wire cross section of the connecting cable
0.5 mm²
Control current on the supply voltage /
control signal connection side
max. 9 A
Motor connection side:
The connector for motor connection (connector X4) is shown in Fig. 7, page 14.
On the motor connection side the assignment is as follows:
Symbol
Description
Lead colour Pin
L1
Motor phase 1
brown
Pin 6
L2
Motor phase 2
violet
Pin 5
L3
Motor phase 3
Terminals of the motor windings.
Operating voltage: 48 V against electronics
max. winding peak current: 13 A
max. winding temperature: 115°C
yellow Pin
1
RPD1
Hall signal 1
green
Pin 4
RPD2
Hall signal 2
white
Pin 3
RPD3 Hall
signal
3
Rotor position detectors.
Hall ICs with open collector output.
They must be wired to an external pull-up
resistor.
grey Pin
8
+V
Hall
Hall
supply
red
Pin
2
Gnd
Hall
Hall
supply
Feeder line of the hall ICs.
black Pin
7