MODBUS Interface
Verbatim Owner's Manual F-21
4 9 40 1
Function Read time to complete RC table scan
Response scan time is <time> seconds
4 9 40 2 net
Function Read network status code for specified network
Response <net ID > network status code is <code>
4 9 40 3 net
Function Read network alert count.
Response <net ID > network alert count is <count>
4 9 40 4 net
Function List all the node addresses whose RCs are currently
experiencing communication failure.
Response <net ID > communication failure at node(s) <list>
4 9 40 5 net
Function List all RCs on net currently having communications failure.
Response <net ID > remote channel(s) now in communication alarm are
<list>
Note:
49405 does not report criteria-tripped alarms. The check status command
(4 0 ZZ) checks all alarm conditions, communication or otherwise.
4 9 40 6 net
Function Read diagnostic codes for last 10 network problems.
Append -0 to clear the history stack.
Response recorded error numbers are code <n>...
4 9 41 ZZ
Function Read current communications status for channel number ZZ.
Status reported is result of latest scan loop poll, not the com-
munications alarm status (see 40zz)..
Response remote channel <ZZ> communication alarm code is <diag
code>
4 9 41 ZZ *
Function Read count of communication alarms for RC ZZ (add -0 to
clear)
Response remote channel <ZZ> communication alarm count is <count>
4 9 42 net
Function Read list of disarmed (see code 45ZZ0) RCs
Response <net ID> remote channels now disarmed are <list>
4 9 43
Function Read list of uninitialized RCs.
Response remote channel(s) not programmed are <list>
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