Yokogawa DR240 - Manual (Page 69)

3-24 IM DR232-01E
Jumper setup switch
DU500-12/DU500-13 DU500-14
ON OFF
No.1
No.2
No.3
No.4
No.5
A(+)
B(L)
C(-V)
D(H)
No.1
ON
No.2
ON
No.3
OFF
No.4
ON
No.5
OFF
Rg
1 2 3 4
5 6 7 8
• Adjacent-side two-gauge method
Jumper setup switch
DU500-12/DU500-13 DU500-14
ON OFF
No.1
No.2
No.3
No.4
No.5
A(+)
B(L)
C(-V)
D(H)
No.1
ON
No.2
ON
No.3
OFF
No.4
OFF
No.5
ON
Rg1
Rg2
R
R
E
e
Rg1
Rg2
Rg1
Rg2
R = fixed resistor
r = resistance of leadwire
Rg = resistance of strain gauge
e = output voltage developed across bridge
E = voltage imposed across bridge
1 2 3 4
5 6 7 8
Rg2 Rg1
• Opposed-side two-gauge method
Jumper setup switch
DU500-12/DU500-13 DU500-14
ON OFF
No.1
No.2
No.3
No.4
No.5
A(+)
B(L)
C(-V)
D(H)
No.1
ON
No.2
OFF
No.3
ON
No.4
OFF
No.5
ON
Rg1
Rg2
R
R
Rg2
Rg1
E
e
Rg1
Rg2
R = fixed resistor
r = resistance of leadwire
Rg = resistance of strain gauge
e = output voltage developed across bridge
E = voltage imposed across bridge
1 2 3 4
6 7 8
Rg2
Rg1
5
3.7 Connecting the Signal Lines