ALTUS Nexto NX3004 - Page 87

4. Configuration
79
Direct
Representation
Variable
Diagnostic Variable
T_DIAG_MODBUS_RTU_MASTER_1.*
Size
Description
Diagnostics Bits:
%QX(n).0
tDiag.*
bRunning
BIT
The master is running.
%QX(n).1
bNotRunning
BIT
The master is not running (see bit:
bInterruptedByCommand).
%QX(n).2
bInterruptedByCommand
BIT
The bit bNotRunning was enabled as
the master was interrupted by the user
through command bits.
%QX(n).3
bConfigFailure
BIT
Discontinued diagnosis
%QX(n).4
bRXFailure
BIT
Discontinued diagnosis
%QX(n).5
bTXFailure
BIT
Discontinued diagnosis
%QX(n).6
bModuleFailure
BIT
Indicates if there is failure in the
module or the module is not present.
%QX(n).7
bDiag_7_reserved
BIT
Reserved
Error Codes:
%QB(n+1)
eErrorCode
SERIAL_STATUS
(BYTE)
0: there are no errors
1: invalid serial port
2: invalid serial port mode
3: invalid baud rate
4: invalid data bits
5: invalid parity
6: invalid stop bits
7: invalid modem signal parameter
8: invalid UART RX Threshold
parameter
9: invalid time-out parameter
10: busy serial port
11: UART hardware error
12: remote hardware error
20: invalid transmission buffer size
21: invalid signal modem method
22: CTS time-out = true
23: CTS time-out = false
24: transmission time-out error
30: invalid reception buffer size
31: reception time-out error
32: flow control configured differently
from manual
33: invalid flow control for the
configured serial port
34: data reception not allowed in
normal mode
35: data reception not allowed in
extended mode
36: DCD interruption not allowed
37: CTS interruption not allowed
38: DSR interruption not allowed
39: serial port not configured
50: internal error in the serial port
Command bits, automatically initialized:
%QX(n+2).0
tCommand.*
bStop
BIT
Stop master
%QX(n+2).1
bRestart
BIT
Restart master
%QX(n+2).2
bResetCounter
BIT
Restart diagnostics statistics
(counters)
%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