[DB600] General Instruction Manual
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2-3-2
Insulation block
In the chart below, circuit divided by the lines are insulated from other circuits.
DB630
DB650
/
DB670
Power
terminals
Measuring input terminals
Remote input terminals R/L (analog) DI terminals
Control output 1/2 terminals
(current output type/SSR drive pulse output type/
voltage output type)
Control output 1/2 terminals (ON-OFF pulse output
type)
Event output 1/2 (mechanical relay output)
terminals
Communications terminals R/L (digital) DI
terminal
External signal input (DI1 to 5) terminals
Event output 5 to 9 (open corrector output)
terminals
*For “24V AC/DC”, power terminals are at secondary side.
*Between control output 1/2 (ON-OFF pulse output type) and event
output 1/2 (mechanical relay output) is isolated.
Power
terminals
Measuring input terminals CT input terminals
Remote input terminals R/L (analog) DI terminals
External signal input (DI6/7) terminals
Control output 1/2 terminals
(current output type/SSR drive pulse output type/
voltage output type)
ON-OFF servo (feedback input) terminals
Transmission output (4 to 20mA DC/0 to 1V DC/0
to 10V DC)
Control output 1/2 terminals (ON-OFF pulse
output type)
Event output 1 to 4 (mechanical relay output)
terminals
ON-OFF servo (relay output) terminal
Communications terminals R/L (digital) DI terminal
External signal input (DI1 to 5) terminals
Event output 5 to 9 (open corrector output )
*For “24V AC/DC”, power terminals are at secondary side.
*Between control output 1/2 (ON-OFF pulse output type) and event
output 1 to4 (mechanical relay output) is isolated.
2-3-3
Terminal number and functionality
Depending on the instrument model, there are places where terminal screw is not provided.
DB630
Terminal layout
①
Control output 1 +
⑦
Communication
SA
DI1
EV5
⑬
Control
output 2 +
EV1
②
Control output 1 -
⑧
Communication
SB
DI2
EV6
⑭
Control
output 2 -
EV1 COM
③
Measuring input +
⑨
Communication
SG
DI3
EV7
⑮
EV2
④
Measuring input + A
⑩
R/L (digital)
DI4
EV8
⑯
EV2 COM
⑤
Measuring input - B
⑪
DI1
DI5
EV9
⑰
Power L/+
/+
⑥
Measuring input b
⑫
R/L & DI COM
DI COM
EV COM
⑱
Power N/-