6
IM 701957-01E
Wiring for Accessory Cable B8023WP
A wiring diagram for the accessory cable is given below. The connector shell connects
to the shielding.
9
6
8
7
5
2
4
3
1
Shell
Twist
Twist
Twist
Shield
Twist
9
6
8
7
5
2
4
3
1
Shell
Bridge-
Input+
Input-
Sense+
Sense-
S
Shuntcal-
Floating Common
1
5
6
9
1
5
6
9
B8023WP
Bridge-
Input+
Input-
Sense+
Sense-
S
Shuntcal-
Floating Common
Note
Check the shape and pin assignment of the connector before connecting it to the accessory
cable.
Circuit Diagram for Bridge Head and Measuring Instrument
The circuit diagram below shows the bridge head connected to a measuring instrument
(the DL750). Isolate the strain gauge before use.
CAUTION
Do not connect the strain gauge terminal to any items with electric potential.
B8023WP
Bridge-
Bridge-
Input+
Input+
Input-
Input-
Sense+
Sense+
Sense-
Sense-
S
Shunt resistor
Shuntcal-
S
Shuntcal-
R
R
R
9
6
8
7
5
2
4
3
1
Shell
Twist
Twist
Twist
Shield
Twist
9
6
8
7
5
2
4
3
1
Shell
Bridge-
Input+
Input-
Sense+
Sense-
Suntcal-
Floating Common
Floating
Common
Floating
Common
ON/OFF
Shuntcal-
Sense+
+
-
Sense-
Sense+
Sense-
701271
STRAIN_DSUB
AD
Bridge
Power
+
-
Shuntcal
S
*2
The connector shell
is connected to the
case potential of the
bridge head.
Bridge Head 701957/701958
(with shunt calibration support)
GND
terminal
Measurement instrument
(example: DL750)
All module
signals are
isolated.
Module
Case
Case
The connector shell is connected
to the case potential of the
measurement instrument.
*2
*1 The GND (floating common) of the module is connected to the case potential inside the bridge head.
*2 The bridge head case, the cable shield, and the measurement instrument case are connected as measures against noise.
*2
The shield is connected
to the bridge head case
and the measurement
instrument case.
*1
The floating common of the
module is grounded within
the bridge head.
1 Construction of the Device
