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MELSEC-Q
3 SPECIFICATIONS
3.4.2 A/D conversion enable/disable setting (buffer memory address 0: Un\G0)
(1) Sets whether the output of an A/D conversion value is enabled or disabled for
each channel.
For the Q62AD-DGH, the A/D conversion enable/disable setting also acts as the
ON/OFF setting of the power supply to the 2-wire transmitter.
(2) It is necessary to set the operating condition setting request (Y9) to ON/OFF in
order to enable the A/D conversion enable/disable setting. (See Section 3.3.2.)
(3) The Q64AD-GH defaults to A/D conversion enable on all channels.
(4) The Q62AD-DGH defaults to A/D conversion disable on all channels.
b15 b14 b13 b12 b11 b10 b9 b8
b7
b6
b5
b4 b3 b2 b1 b0
CH4 CH3 CH2 CH1
000000000000
Q64AD-GH
For Q64AD-GH, information of b4 to b15 is fixed at 0.
For Q62AD-DGH, information of b2 to b15 is fixed at 0.
0: A/D conversion enable
1: A/D conversion disable
Q62AD-DGH
0: A/D conversion enable, power supply ON
1: A/D conversion disable, power supply OFF
Example
When the channels using A/D conversion are 1 and 3, 000AH (10) is stored into the
buffer memory address 0 (Un\G0).
b15
CH4 CH3 CH2 CH1
A00
000A
H
(10)
0000000000001010
b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0
0
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