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E5 J
Alarm Mode Selectors (ALM1, ALM2)
Alarm modes, listed in the following table, can be selected using this switch. The switch is factory-set to position 2, i.e., the upper-limit alarm
mode.
Switch
Mode
setting
Alarm operation
0
No alarm
1
Upper- and lower-limit alarm
(deviation)
2
Upper-limit alarm (deviation)
3
Lower-limit alarm (deviation)
4
Upper- and lower-limit alarm
(deviation)
5
Upper- and lower-limit alarm with
standby sequence (deviation)
6
Upper-limit alarm with standby
sequence (deviation)
7
Lower-limit alarm with standby
sequence (deviation)
8
Absolute-value upper-limit alarm
9
Absolute-value lower-limit alarm
Deviation Alarm
If the alarm mode selector is set to a number between 1 to 7, alarm
values are set to the width deviated from the set point as shown in
the following illustration.
Set point (SP)
100 C/ F
When X is positive
OFF
X
ON
OFF
X
SP
X
SP
X
X
SP
X
X
SP
X
SP
X
SP
X
0 C/ F
X
0 C/ F
Alarm value
10 C/ F
110 C/ F
Alarm output
When X is negative
X
Always ON
SP
X
SP
X
SP
Always OFF
Always OFF
X
SP
X
SP
X
0 C/ F
X
0 C/ F
Absolute Alarm
If the alarm mode selector is set to 8 or 9, alarm values are set to the
absolute value based on 0 C/ F as shown in the following illustra-
tion.
Setting range
---
–1999 to 9999, or –199.9 to 999.9
(The decimal position varies with
the input type.)
Alarm value
110 C/ F
0 C/ F
110 C/ F
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