Mitsubishi Electric A1S68DAV User Manual page 11

Digital-analog conversion module
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No
Name and appearance
1)
"RUN" LED
RUN
2)
Analog output hold/clear
setting terminals
(terminal No.1,2)
HLD/CLR
3)
Analog output terminals
(terminal No.3 to 18)
C
H
1
C
H
2
C
H
3
C
H
4
C
H
12
5
C
H
14
6
C
H
16
7
C
H
18
8
4)
FG terminal
(Terminal No.20)
18
FG
5)
Code sheet
4. Handling
4.1 Caution on handling
(1) The case module of the A1S68DAV/DAI is made of resin: do not drop is or subject
it to strong impact.
(2) Do not remove the printed circuit board from the case.
This could cause failure.
(3) Make sure that no wire offcuts or other debris enters the top of the module during
wiring.
If anything does enter the module, remove it.
LED that indicates the operating status of the A1S68DAV/DAI.
On
Off
Flash :Write data error.
Terminals that set the analog output status when the PLC CPU is in
the STOP status.
The hold or clear status is set by shorting/opening the connection
between terminals 1 and 2.
When shorted :
1
(HOLD)
2
When open
(CLEAR)
2
Terminal that output the digital to analog converted values to external
destinations in each channel.
Channel
2
3
4
5
6
7
8
9
11
13
15
17
19
Frame ground terminal
19
20
Filled out to indicate the application of each terminal
:Normal operation.
:5VDC power supply cut, watchdog timer error, or PLC CPU
error.
At a PLC CPU STOP, the analog value before the
STOP is output.
:
At a PLC CPU STOP, the analog value shown below
is output.
A1S68DAV............0V
A1S68DAI .............4mA
Terminal No.
1
3, 4
2
5, 6
3
7, 8
4
9, 10
Description
Channel
5
6
7
8
Terminal No.
11, 12
13, 14
15, 16
17, 18

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