Analog Output Hold/Clear Function - Mitsubishi MELSEC-Q series User Manual

3
SPECIFICATIONS
3.2.1

Analog output HOLD/CLEAR function

(1) For the case where the programmable controller CPU is placed in STOP or in a stop
(2) Make the setting in the HOLD/CLEAR setting (Refer to Section4.5 (1).) of the intelli-
(3) Depending on combinations of the HOLD/CLEAR setting, D/A conversion enable/dis-
D/A conversion enable/dis-
Setting
able setting ( Un\G0)
combination
CH
Execution
disable flags (Y1 to Y6)
status
HOLD/CLEAR setting
Analog output status when programmable controller
CPU is RUN
Analog output status when programmable controller
CPU is STOP
Analog output status when a programmable controller
CPU stop error occurs
Analog output status when a watchdog timer error *1
occurs in Q66DA-G
error status, whether to hold (HOLD) or clear (CLEAR) the analog output value can be
set.
gent function module switch.
able setting (Un\G0), and CH
put status varies as shown in Table 3.3.
Table3.3 Analog output status combination list
output enable/
HOLD
Outputs analog values converted
from digital values. *2
0 V/0 mA
*1 This occurs when program operations are not completed within the scheduled time due to a hard-
ware problem of the Q66DA-G. When a watchdog timer error occurs, module READY (X0) turns
OFF and the Q66DA-G RUN LED turns off.
*2 The rate control function and the scaling function are operable.
output enable/disable flag (Y1 to Y6), the analog out-
Enable
Enable
CLEAR
Hold Offset
Hold Offset
0 V/0 mA
3.2.1 Analog output HOLD/CLEAR function
Disable
Disable Enable or disable
HOLD or CLEAR HOLD or CLEAR
Offset 0 V/0 mA
Offset 0 V/0 mA
Offset 0 V/0 mA
0 V/0 mA 0 V/0 mA
3.2 Function List
1
2
3
4
5
6
7
8
3
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