Ch[ ] Process Alarm Upper/Lower Limit Values (Un\G94 To Un\G125) - Mitsubishi Melsec-Q Series User Manual

3
SPECIFICATIONS
3.4.21

CH[ ] Process alarm upper/lower limit values (Un\G94 to Un\G125)

Process alarm upper upper limit value, upper lower limit value, lower upper limit value, and
lower lower limit value can be set. (Refer to Section 3.2.4)
(1) Setting methods
(a) A scaling range of measured temperature values is set for each channel in units of
Thermocouple
type
Thermocouple K
Thermocouple E
Thermocouple J
Thermocouple T
Thermocouple B
Thermocouple R
Thermocouple S
Thermocouple N
(b) Turn on Operating condition setting request (Y9) to activate the setting.
POINT
Process alarm lower lower limit value
upper upper limit value
0.1 .
Settable range and default value differ according to the thermocouple type.
The following table shows settable range and default value for each thermocouple
type.
Table 3.16 Process alarm settable range and default value
Default value
Process Process
alarm alarm
lower lower
lower upper
limit limit
value value
-2000
-2000
-400
-2000
6000
0
0
-2000
(1) If any of the following values are set, an error (error code: 6
Then, Error flag (XF) turns on.
• A value out of the above settable range:
• A value that does not satisfy the following condition:
(2) When "Disable" ("0") is set in the Warning output enable/disable setting
(Un\G46), the setting of CH
(Un\G94 to Un\G125) is ignored.
3.4.21 CH[ ] Process alarm upper/lower limit values (Un\G94 to Un\G125)
Process Process
alarm alarm
Settable temperature range (Accuracy
upper upper
lower upper
limit limit
value value
12000 -2700 to 13700
9000 -2700 to10000
7500 -2100 to12000
3500 -2700 to 4000
17000 0 to18200
16000 -500 to17600
16000 -500 to17600
12500 -2700 to13000
lower upper limit value
Process alarm upper/lower limit values
3.4 Buffer Memory
gurantee range)
(-2000 to 12000)
(-2000 to 9000)
(-400 to 7500)
(-2000 to 3500)
(6000 to17000)
(0 to16000)
(0 to16000)
(-2000 to12500)
) occurs.
upper lower limit value
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