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MELSEC-Q
3 SPECIFICATIONS
POINT
The following conditions should be satisfied when the analog output HOLD/CLEAR
function is used on a MELSECNET/H remote I/O station.
• The master module of function version D or later and the remote I/O module of
function version D or later are required.
• Validate the station unit block guarantee of the send side cyclic data.
• The setting for holding the D/A converter module output in the case of a link
error must be made in the "Error time output mode in the I/O assignment setting".
(Refer to Section 4.5 (2).) The HOLD/CLEAR setting by the intelligent function
module switch is invalid.
This setting is validated on a per-module basis, and is not made on a per-
channel basis. Therefore, to make the output status at a stop error or STOP of
the programmable controller CPU matched with the output status at a link error,
set the same HOLD/CLEAR setting to all channels. (Refer to the table below.)
Error time output mode
HOLD/CLEAR setting
(Same setting to all channels)
Hold analog output
Hold HOLD
Clear analog output
(Output offset value)
Clear CLEAR
For the station unit block guarantee of the cyclic data, refer to the Q
Corresponding MELSECNET/H Network System Reference Manual (Remote I/O
Network).
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