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AD-4406 Weighing Indicator
17. Current Loop Output (OP-08)
Replacing the RS-232C interface with this option, current loop output, 3-relay outputs
and 1-control input can be used with the RS-232C interface of this option.
RS-232C functions and pin connections are the same as the RS-232C interface
described in “13. RS-232C Interface (OP-04, OP-05, OP-08)”.
The control input can control the indicator from an external terminal just like the front
panel key operation.
Set the external control functions at F15 of the F-Functions.
When connecting the function pin and the common pin, the indicator makes the action.
Keep a signal width of more than 100 ms for the On-time and Off-time.
ON
(Make)
More than 100 ms More than 100 ms
OFF
(Break)
The relays output the result of comparison.
Solid-state-relay
Maximum voltage
50VDC
Maximum current
100 mA DC
Maximum resistance 8
Ω
Pin connections (DIN 8 pin connector)
Function
Pin No. Signal name Direction Description
1
HI
Output
Relay output HI
6
OK
Output
Relay output OK
4
LO
Output
Relay output LO
Relay
output
8
COM (out)
-
Relay common terminal
3
CL1
Output
Current loop output 1
Current
loop
5
CL2
Output
Current loop output 2
7
EXT3
Input
Control input 3 (F15)
Control
input
2
COM (in)
-
Control input common
Adaptable connector
JA-TCP0586 (an accessory)
Circuit
Current loop output
HI
OK
LO
COM (out)
i
EXT3
~
+7
~
9V
680
Ω
+
COM
(in)
~
-
DIN connector
of OP-08
Control input Relay output
17. Current Loop Output (OP-08)