Emotron VS10 - Modbus RTU Data Format; Modbus RTU Time-Out Monitoring; Modbus RTU Diagnostics

238 01-6203-01R3, CG Drives & Automation
8.6.4. Modbus RTU data format
All network nodes must be set to the same data format.
Details
• The data format can be set in 0x2321:003 (P510.03).
• If the automatic data format detection function is activated, the first 5 ... 10 messages
are lost after switch-on.
• The active data format is displayed in 0x2322:003 (P511.03).
Parameter
Name / value range / [default setting]
Info
0x2321:003
(P510.03)
Modbus settings: Data format
(Modbus sett.: Data format)
Definition of the parity and stop bits.
0
Automatic
Automatic data format detection.
With this setting, the first 5 ... 10 messages are lost after switch-on.
1
8, E, 1
8 data bits, even parity, 1 stop bit
2
8, O, 1
8 data bits, odd parity, 1 stop bit
3
8, N, 2
8 data bits, no parity bit, 2 stop bits
0x2323
(P509.00)
Modbus switch position
(Modbus switch)
Read only
Display of the DIP switch setting at the last mains power-on.
8.6.5. Modbus RTU time-out monitoring
The response to the missing Modbus messages can be configured via the following
parameters.
Parameter
Name / value range / [default setting]
Info
0x2858:001
Modbus monitoring: Response to time-out
(Modbus monit.: Resp. Time-out)
For further possible settings, see parameter
0x2D45:001 (P310.01).  163
Selection of the response executed if no valid messages have been
(P515.01)
received via the Modbus for a longer time than the time-out period set
in 0x2858:002 (P515.02).
Associated error code:
33185 | 0x81A1 Modbus: network time-out
3
Fault
 Error types  84
0x2858:002 Modbus monitoring: Time-out time Time-out period for monitoring the message reception via Modbus.
(P515.02)
(Modbus monit.: Time-out time)
0.0 ... [2.0] ... 300.0 s
8.6.6. Modbus RTU diagnostics
The following parameters serve to diagnose the communication activities between the
inverter and the Modbus network.
Parameter
Name / value range / [default setting]
Info
0x2322:001
(P511.01)
Active Modbus settings: Active node ID
(Modbus diag.: Active node ID)
Read only
Display of the active node address.
0x2322:002
(P511.02)
Active Modbus settings: Active baud rate
(Modbus diag.: Active baud rate)
Read only
Display of the active baud rate.
0x2322:003
(P511.03)
Active Modbus settings: Data format
(Modbus diag.: Data format)
Read only
Display of the active data format.
0x232A:001
(P580.01)
Modbus statistics: Messages received
(Modbus statistic: Mess. received)
Read only
Display of the total number of messages received.
This counter counts both valid and invalid messages.
After the maximum value has been reached, the counter starts again
"0".