Limit Value Monitoring - Beckhoff EP4378-1022 Manual

5.2.5

Limit value monitoring

You can define two limit values for each analog input:
• Limit 1
• Limit 2
For each limit value, there is a variable of the same name in the process data. See Process image [} 23]
chapter. The variable shows whether the current measured value lies above or below the limit value.
Defining a limit value
Enter the limit value in the corresponding CoE parameter.
Value range: 0x8000 ... 0x7FFF (-32768 ... 32767)
Connection
X01
X02
X05
X06
Activating the monitoring
The limit value monitoring for both limit values is disabled in the factory setting.
Set the CoE parameter for the respective limit value to TRUE:
Connection
X01
X02
X05
X06
EP4378-1022
CoE object
8100 AI Settings Ch.1
hex
8110 AI Settings Ch.2
hex
8120 AI Settings Ch.3
hex
8130 AI Settings Ch.4
hex
CoE object
8100 AI Settings Ch.1
hex
8110 AI Settings Ch.2
hex
8120 AI Settings Ch.3
hex
8130 AI Settings Ch.4
hex
Version: 1.4
Commissioning and configuration
Parameter
13 Limit 1
hex
14 Limit 2
hex
13 Limit 1
hex
14 Limit 2
hex
13 Limit 1
hex
14 Limit 2
hex
13 Limit 1
hex
14 Limit 2
hex
Parameter
07 Enable limit 1
08 Enable limit 2
07 Enable limit 1
08 Enable limit 2
07 Enable limit 1
08 Enable limit 2
07 Enable limit 1
08 Enable limit 2
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