Using decremented
start address
Using address
from manual
Getting data from a read
data block
Quantity 1 1 27
Response address offset 0 -1 11
Response quantity 1 1 16
1)
Sample start offset as documented in SENTRON PAC manual - can be used without
decrementing it by 1.
Technical specification
Protocol Description Value Data rate
Modbus RTU - RS485
Data provider
Max cable length
32
1200 m max. 115,2 kBd
Modbus RTU - RS422
Data provider
Max cable length
10
1200 m max. 115,2 kBd
Modbus RTU - RS232
Data provider
Maximum cable length
1
900 m
300 m
152 m
15 m
5 m
< 2 m
2,4 kBd
4,8 kBd
9,6 kBd
19,2 kBd
57,6 kBd
115,2 kBd
4.6 Overview of SYSTEM protocol for MindConnect Nano
You can use the protocol SYSTEM to implement a system information adapter for analysis
purposes. The SYSTEM protocol can collect the following information from MindConnect Nano:
Overall CPU load
Overall memory consumption
Network traffic
Application specific data
CPU load memory consumption
Disk usage
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