Mitsubishi q64rd, User Manual

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MELSEC-Q
3 SPECIFICATIONS
3.4.24 Mode switching setting (Un\G158 to 159)
(1) Set the values of the mode to which you want to switch.
(2) After setting the values, turning the operating condition setting request (Y9) from
OFF to ON switches the mode.
(3) When mode switching is performed, this area is cleared to zero and the operating
condition setting completion signal (X9) turns OFF.
After confirming that the this signal (X9) has turned OFF, turn OFF the operating
condition setting request (Y9).
Set values
Mode to be switched to
Buffer memory address 158 Buffer memory address 159
Normal mode 0964
H
4144
H
Offset/gain setting mode 4144
H
0964
H
POINT
If the values written are other than the above, mode switching is not performed and
only the operating condition is changed.
3.4.25 Factory default offset/gain value/user range settings offset/gain value/user range
settings offset/gain resistance value (Un\G160 to 255)
(1) This area is related with the user range save/restore function and allows users to
re-set the offset/gain values easily in the case of online module change.
(2) When the offset/gain values of the user range setting are restored, the used data
are stored.
The data are stored (saved) when:
•
Initial setting is written by the utility;
•
The operating condition is set (Y9 turns from OFF to ON*1); or
•
The offset/gain values are written in the offset/gain setting mode (YA turns from
OFF to ON).
1: The data are not saved when set values have been written to the mode
switching setting area (buffer memory addresses 158, 159: Un\G158,
Un\G159).
(3) When restoring the offset/gain values of the user range setting, set the data saved
here into the corresponding area of the module where the data will be restored.
(4) In the Q64RD, two areas are provided for each of the factory default offset/gain
value/User range settings offset/gain value. (For example, the buffer memory
addresses for the 3-wire type CH1 Factory default offset value are 160 and 161.)
When saving the offset/gain values for Online Module Change, the same value is
stored into these two areas.
When restoring the offset/gain values, be sure to set the same value to both of
them.
In the Q64RD-G, one data value for each of the factory default offset/gain
value/User range settings offset/gain value is split into two (the first and second
halves) and stored separately. (For example, the buffer memory addresses for
the 3-wire type CH1 Factory default offset value are 160 and 161.)
When saving the offset/gain values for Online Module Change, the first and
second halves of one data value are stored into two areas.
When restoring the offset/gain values, be sure to set the first and second halves of
one data value to each of the areas.