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Transferring Data Using Communication Blocks
33002479 06 07/2008 173
Clear Remote Statistics
Description A clear remote statistics operation clears remote-node values from words 13 ... 22
in the statistics table of the local node. It uses a master transaction path and may
require several cycles to complete. To program an MBP_MSTR block to perform a
clear remote statistics operation, use function code 8 (see Operational Function
Codes, p. 151).
Network
Implementation
A clear remote statistics operation can be performed on Modbus Plus and TCP/IP
Ethernet networks (see TCP/IP Ethernet Network Statistics, p. 174).
Control Block
Usage for
Modbus Plus
Control Block
Usage for TCP/IP
Ethernet
Register Meaning
CONTROL[1] 8 = clear remote statistics
CONTROL[2] Indicates the error status
CONTROL[3] Reserved
CONTROL[4] Reserved
CONTROL[5]
...
CONTROL[9]
Routing register 1 is used to specify the address (routing path address 1 of
5) of the destination node during a network transfer.
The last byte in the routing path that is not 0 is the destination mode.
Register Meaning
CONTROL[1] 8 = clear remote statistics
CONTROL[2] Indicates the error status
CONTROL[3] Reserved
CONTROL[4] Reserved
CONTROL[5] Routing Register
Most significant byte: network adapter module slot
CONTROL[6]
...
CONTROL[9]
Each address contains one byte of the 32-bit IP address, where the MSB
is in CONTROL[6] and the LSB is in CONTROL[9].
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