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MELSEC-Q
4 SETUP AND PROCEDURES BEFORE OPERATION
1 The mode switching (normal mode to offset/gain setting mode to normal mode) method
is given below.
• Dedicated instruction (G(P).OFFGAN) ....... Refer to Section 4.6.2 (2) (a)
• Setting made to mode switching setting (buffer memory addresses 158, 159:
Un\G158, Un\G159) and turning the operation condition setting request (Y9) from OFF
to ON ........................................................... Refer to Section 4.6.2 (2) (b)
• Intelligent function module switch setting ... Refer to Section 4.5, Section 4.6.2 (2) (c)
(After intelligent function module switch setting, reset the programmable controller
CPU or switch power OFF, then ON.)
2 Turning ON the channel change request (YB) starts power supply from the
corresponding channel to the 2-wire transmitter. After fully checking the wiring, settings,
etc., turn ON the channel change request (YB).
3 Avoid the following operations during the steps indicated with 3. Doing so may cause
an error in the data inside the E
2
PROM, resulting in the Q62AD-DGH failing to operate
normally.
• Powering OFF the programmable controller CPU
• Resetting the programmable controller CPU
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