ALTUS Nexto NX3004 - Page 124

4. Configuration
116
%QX(n+2).3
bDiag_19_reserved
BIT
Reserved
%QX(n+2).4
bDiag_20_reserved
BIT
Reserved
%QX(n+2).5
bDiag_21_reserved
BIT
Reserved
%QX(n+2).6
bDiag_22_reserved
BIT
Reserved
%QX(n+2).7
bDiag_23_reserved
BIT
Reserved
%QB(n+3)
byDiag_03_reserved
BYTE
Reserved
Communication statistics:
%QW(n+4)
tStat.*
wActiveConnections
WORD
Number of established connections
between client and server (0 to 64).
%QW(n+6)
wTimeoutClosedConnections
WORD
Connections counter, between the
client and server, interrupted after
a period of inactivity-time-out (0 to
65535).
%QW(n+8)
wClientClosedConnections
WORD
Connections counter interrupted
due to customer request (0 to
65535).
%QW(n+10)
wRXFrames
WORD
Ethernet frames counter received
by the server. An Ethernet frame
can contain more than one request
(0 to 65535).
%QW(n+12)
wRXRequests
WORD
Requests received by the server
counter and answered normally (0
to 65535).
%QW(n+14)
wTXExceptionResponses
WORD
Requests received by the server
counter and answered with
exception codes (0 to 65535). The
exception codes are listed below:
1: the function code (FC) is legal,
but not supported.
2: relation not found in these data
MODBUS.
3: illegal value for the address.
128: the master/client has no right
to read or write.
129: MODBUS relation is disabled.
%QW(n+16)
wRXIllegalRequests
WORD
Illegal requests counter (0 to
65535)
%QW(n+18)
wDiag_18_reserved
WORD
Reserved
Table 4-81. MODBUS Server Diagnostics