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Detailed Description of User Settings Area Data
Section 4-2
The high/low value setting is set in DM word m+18, as shown in the following
diagram.
4-2-6 Process Value Alarm Settings
High and low limit alarm values can be set independently for each input’s pro-
cess value. One high limit and one low limit can be set.
The Expansion Setting Area can be used to output a limit alarms to an output
device without using the ladder program.
Each input’s high and low alarm set values are set in the DM Area, as shown
in the following table.
Note
The settings apply to the process value after zero and span adjustment.
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
Input 4
Input 3
Input 2
Input 1
D (m + 18)
Bit
0: Fix the process value at highest value when there is a sensor error.
1: Fix the process value at lowest value when there is a sensor error.
DM word
Function
Set value
m + 2
Input 1 H (high limit) alarm set value
−
32,768 (8000 hex) to 32,767
(FFFF hex)
m + 3
Input 1 L (low limit) alarm set value
m + 6
Input 2 (high limit) alarm set value
m + 7
Input 2 (low limit) alarm set value
m + 10
Input 3 (high limit) alarm set value
m + 11
Input 3 (low limit) alarm set value
m + 14
Input 4 (high limit) alarm set value
m + 15
Input 4 (low limit) alarm set value
Alarm output (H)
Alarm output (L)
Alarm high limit (H)
Process value input
Alarm low limit (L)
Summary of Contents for SYSMAC CJ1W-AD04U
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