X20 system modules • Temperature modules • X20ATB312
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X20 system User's Manual 3.10
4.31.7.8.8.7 Status messages for function model 254
Name:
Status01To04
The bits in this register are set if an error has been detected.
Data type
Value
USINT
See bit structure.
Bit structure:
Bit
Name
Value
Information
0
No error
0
Underrun on channel 01
1
Value below the permitted range
0
No error
1
Overrun on channel 01
1
Value above the permitted range
...
...
0
No error
6
Underrun on channel 04
1
Value below the permitted range
0
No error
7
Overrun on channel 04
1
Value above the permitted range
Information:
If an open line is detected on a channel, then both error messages will be displayed at the same time.
4.31.7.8.9 Minimum cycle time
The minimum cycle time defines how far the bus cycle can be reduced without causing a communication error
or impaired functionality. It should be noted that very fast cycles decrease the idle time available for handling
monitoring, diagnostics and acyclic commands.
Minimum cycle time
200 µs
4.31.7.8.10 Minimum I/O update time
The minimum I/O update time defines how far the bus cycle can be reduced while still allowing an I/O update to
take place in each cycle.
Minimum I/O update time
1 ms
Summary of Contents for X20 System
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