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MELSEC-Q
3 SPECIFICATIONS
3.4.11 Offset/gain setting mode (buffer memory addresses 22, 23: Un\G22, Un\G23)
(1) Specifies the channel to be adjusted for the offset/gain settings.
(2) The channel for which the offset is to be adjusted is specified in buffer memory
address 22 (Un\G22) and the channel for which the gain is to be adjusted is
specified in buffer memory address 23 (Un\G23).
(3) Although it is possible to set multiple channels at the same time, set the offset and
gain separately (buffer memory addresses 22 and 23: Set either Un\G22 or
Un\G23 to 0). If both are set at the same time, an offset/gain setting mode error
(error code 500) occurs.
(4) For Q64AD, b4 to b7 (information for CH5 to CH8) are invalid.
(5) See Section 4.6 for the details of the offset/gain settings.
b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
CH8 CH7 CH6 CH5 CH4 CH3 CH2 CH1
CH8 CH7 CH6 CH5 CH4 CH3 CH2 CH1
Un\G22 (Offset specification)
Un\G23 (Gain specification)
1 : Channel to be set
0 : Invalid
3.4.12 Maximum and minimum values storage area (buffer memory addresses 30 to 45:
Un\G30 to Un\G45)
(1) The maximum and minimum values of the converted digital value for each
channel are stored.
(2) The stored values for all channels will be cleared to 0 when the operating
condition setting request (Y9) is set to ON and the setting is changed or when the
maximum and minimum values reset request (YD) is set to ON.
(3) The maximum and minimum values are stored for each sample processing time
(measurement), even with channels for which averaging processing is specified.