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4 SETUP AND PROCEDURES BEFORE OPERATION
4 - 10
(1) Offset/gain setting
START
Switch to the offset/gain
1
setting mode.
Make sure that the RUN LED
is flickering
(offset/gain setting mode).
1
Enter the offset value of
the channel to be adjusted.
Platinum temperature
-measuring resistor
0[
]
Alternatively, enter the value
using a general resistor.
Write the temperature set value
equivalent to the input value to the
buffer memory address (118 to 119,
122 to 123, 126 to 127, 130 to 131)
of the channel to be adjusted.
Turn on the Offset Setting Request
(Y1, Y3, Y5, Y7) of the channel to
be adjusted.
Confirm that the Offset/Gain Setting
Status Signal (X1, X2, X3, X4) is off.
Turn off the Offset Setting Request
(Y1, Y3, Y5, Y7).
Turn on the Offset/Gain Setting
Status Signal (X1, X2, X3, X4) and
then make sure that the "temperature
conversion value" of the adjusted
channel has been corrected to be
the "offset temperature set value".
2
Is the
ERROR LED lit?
Enter the gain value of the
channel to be adjusted.
Platinum temperature
-measuring resistor
500[
Alternatively, enter the value
using a general resistor.
Write the temperature set value
equivalent to the input value to the
buffer memory address (120 to 121,
124 to 125, 128 to 129, 132 to 133)
of the channel to be adjusted.
Q64RD
RUN
Turn on the Gain Setting Request
ERROR
1
(Y2, Y4, Y6, Y8) of the channel
2
3
4
5
6
to be adjusted.
7
8
9
10
11
12
13
14
15
16
17
18
Confirm that the Offset/Gain Setting
Status Signal (X1, X2, X3, X4) is off.
Turn off the Gain Setting Request
(Y2, Y4, Y6, Y8).
Turn on the Offset/Gain Setting
Status Signal (X1, X2, X3, X4) and
then make sure that the "temperature
conversion value" of the adjusted
channel has been corrected to be
the "gain temperature set value".
Turn on the User Range Write
Request (YA).
Make sure that the User Range
Write Status Signal (XA) is off.
Turn off the User Range Write
Request (YA).
Switch to the normal setting
YES
mode. 1
1
MELSEC-Q
Q64RD
RUN
ERROR
1
2
3
]
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
Is the
YES
ERROR LED lit?
NO
Do you adjust
YES
another channel?
NO
END
1 or 2
1
4 - 10
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Troubleshooting
