ALTUS Nexto NX3004 User Manual

4. Configuration
80
Direct
Representation
Variable
Diagnostic Variable
T_DIAG_MODBUS_RTU_MASTER_1.*
Size
Description
%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.*
wTXRequests
WORD
Counter of request transmitted by the
master (0 to 65535)
%QW(n+6)
wRXNormalResponses
WORD
Counter of normal responses received
by the master (0 to 65535)
%QW(n+8)
wRXExceptionResponses
WORD
Counter of responses with exception
codes received by the master (0 to
65535)
%QW(n+10)
wRXIllegalResponses
WORD
Counter of illegal responses received
by master – invalid syntax, not enough
received bytes, invalid CRC – (0 to
65535)
%QW(n+12)
wRXOverrunErrors
WORD
Counter of overrun errors during
reception - UART FIFO or RX line – (0
to 65535)
%QW(n+14)
wRXIncompleteFrames
WORD
Counter of answers with construction
errors, parity or failure during reception
(0 to 65535)
%QW(n+16)
wCTSTimeOutErrors
WORD
Counter of CTS time-out error, using
RTS/CTS handshake, during
transmission (0 to 65535)
%QW(n+18)
WORD
Reserved
Table 4-45. MODBUS RTU Master Diagnostics
Note:
Counters: All MODBUS RTU Master diagnostics counters return to zero when the limit value
65535 is exceeded.
Devices Configuration – Symbolic Mapping configuration
The slave devices configuration, shown on Figure 4-15, follows the parameters below:
Figure 4-15. Device General Parameters Settings

ALTUS Nexto NX3004 Specifications

General

Brand	ALTUS
Model	Nexto NX3004
Category	Processor
Language	English