Yokogawa DR240 - Manual (Page 70)

3-25 IM DR232-01E
3
Installation and Wiring
• Four-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
OFF
No.2
OFF
No.3
OFF
No.4
OFF
No.5
ON
Rg1
Rg2
Rg4
Rg1
Rg2
Rg3
E
e
Rg1, Rg3
Rg2, Rg4
Rg1
Rg3
Rg1
Rg3 Rg4
Rg2
Rg1, Rg2 Rg3 Rg4
Rg3
Rg4
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
Rg3 Rg4
Wiring Pulse Input Signal Lines (Pulse Input Module)
- + - +
Open collector
TTL open collector Contact
CH1
CH2
CH3
CH4
CH1
CH2
CH3
CH4
Wiring Output Signal and Remote Control Signal Lines (DI/DO and Alarm modules)
Terminals
NO C NC
Failure output (transfer-contact)
REM
CHART
FAIL
ALM 1
ALM 2
NO
NO
1
3
5
7
9
11
NO
NO
C
C
C
C
C
C
C
C
C
C
NC
NC
2
4
6
8
10
12
NC
NC
Chart end output (transfer-contact)
Remote control signal input
(12 contact terminals)
Terminal arrangement
1
2
ALM output
(transfer-contact)
NO C
1
2
4
NC
3
Alarm output
(transfer contact)
Alarm output
(transfer contact)
DT200-11 DT100-11 NO C
1
2
10
Alarm
output
(make
contact)
DT200-21
3.7 Connecting the Signal Lines