CH1 Process alarm lower lower limit value
Set a lower lower limit value of the alert output function (Process alarm).
For details on the alert output function, refer to the following.
Page 27 Alert Output Function
■Buffer memory address
The following shows the buffer memory address of this area.
Buffer memory name
CH Process alarm lower lower limit value
CH Process alarm lower lower limit value (in
Q compatible mode)
■Setting range
• Thermocouple input module
Input range
K thermocouple
E thermocouple
J thermocouple
T thermocouple
B thermocouple
R thermocouple
S thermocouple
N thermocouple
• RTD input module
Input range
Pt100 (-200 to 850)
Pt100 (-20 to 120)
Pt100 (0 to 200)
JPt100 (-180 to 600)
JPt100 (-20 to 120)
JPt100 (0 to 200)
Ni100 (-60 to 250)
Pt50 (-200 to 650)
■Enabling the setting
Turn on and off 'Operating condition setting request' (Y9) to enable the setting.
■Default value
The default value is -2000 (-200.0) for all the channels.
• When using the process alarm, configure the 4-step settings for the process alarm upper upper limit value,
upper lower limit value, lower upper limit value, and lower lower value.
• A channel where the set values do not satisfy the condition "Upper upper limit value Upper lower limit
value Lower upper limit value Lower lower limit value" causes a process alarm upper lower limit value
setting range error (error code: 1BH).
• Even when the scaling function is used, the measured temperature value is subject to an alert.
CH1
CH2
CH3
520
720
920
94
98
102
Setting range
-2700 to 13700 (-270.0 to 1370.0)
-2700 to 10000 (-270.0 to 1000.0)
-2100 to 12000 (-210.0 to 1200.0)
-2700 to 4000 (-270.0 to 400.0)
0 to 18200 (0.0 to 1820.0)
-500 to 17600 (-50.0 to 1760.0)
-500 to 17600 (-50.0 to 1760.0)
-2700 to 13000 (-270.0 to 1300.0)
Setting range
-2000 to 8500 (-200.0 to 850.0)
-200 to 1200 (-20.0 to 120.0)
0 to 2000 (0.0 to 200.0)
-1800 to 6000 (-180.0 to 600.0)
-200 to 1200 (-20.0 to 120.0)
0 to 2000 (0.0 to 200.0)
-600 to 2500 (-60.0 to 250.0)
-2000 to 6500 (-200.0 to 650.0)
CH4
CH5
CH6
1120
1320
1520
106
110
114
Accuracy guaranteed range
-2000 to 12000 (-200.0 to 1200.0)
-2000 to 9000 (-200.0 to 900.0)
-400 to 7500 (-40.0 to 750.0)
-2000 to 3500 (-200.0 to 350.0)
6000 to 17000 (600.0 to 1700.0)
0 to 16000 (0.0 to 1600.0)
0 to 16000 (0.0 to 1600.0)
-2000 to 12500 (-200.0 to 1250.0)
Appendix 3 Buffer Memory Areas
CH7
CH8
1720
1920
118
122
A
APPX
145