Graphical Digital Panel Meter WPMZ-3 INSTRUCTION MANUAL
16
IM-0883-01
CONNECTION FOR UPPER ROW TERMINALS
STRAINGAUGE INPUTS
Screwless terminals
●Ach
Straingauge input
／
GO output
No.
Name
Description
14
+EXC
Ach bridge power output terminal
（
+
）
15
-SIG
Ach input (-) terminal
16
-EXC
Ach bridge power output terminal
（
-
）
17
+SIG
Ach input (+) terminal
18
GND
Ach
ground terminal
19
GO.OUT
Ach
GO output terminal(collector)
20
GO.GND
Ach
GO output terminal(emitter)
*
When bridge power supply is 5V or 2.5V, -EXC and GND are connected internally.
●Bch
Straingauge input
／
GO output
No.
Name
Description
21
+EXC
Bch bridge power output terminal
（
+
）
22
-SIG
Bch input (-) terminal
23
-EXC
Bch bridge power output terminal
（
-
）
24
+SIG
Bch input (+) terminal
25
GND
Bch
ground terminal
26
GO.OUT
Bch
GO output terminal(collector)
27
GO.GND
Bch
GO output terminal(emitter)
*
When bridge power supply is 5V or 2.5V, -EXC and GND are connected internally.
●
Example for input connections
+E
X
C
-S
IG
+S
IG
G
N
D
Ach Straingauge input
Suitable wire：AWG 24 to 16
-E
X
C
+E
X
C
-S
IG
+S
IG
G
N
D
Bch Straingauge input
Suitable wire：AWG 24 to 16
-E
X
C
20
14 15 16 17 18 19
27
21 22 23 24 25 26
G
O
.O
U
T
G
O
.G
N
D
G
O
.O
U
T
G
O
.G
N
D
+EXC
-EXC
+SIG
-SIG
GND
+IN
-IN
+OUT
-OUT
Bridge circuit
WPMZ-3
Straingauge input
10V
(5V)
(2.5V)
