15
Off
10
100
1000
When needed, divides the result with decades (moves comma left). Usable with integers.
Config
Serial communication
Query x
Virtual ID
The Virtual ID of the first result of the Modbus query. In the Ovaport Measuring points settings the
"device address" and this virtual ID must match each other.
Config
Serial communication
Query x
Status
Not used (Results setting zero)
OK
Incorrect settings - Conf settings are incorrect
Limited - Only part of the sequential results is fetched, because virtual ID has overlapping with
some other Modbus query or “internal status” result.
Blocked – The result is not fetched, because virtual ID has overlapping with some other Modbus
query or “internal status” result.
Unrecognized data - Modbus reply is wrong type or wrong length.
Timeout - Modbus replay was not received.
Exception – Modbus device returned error code.
CRC error
Unknown error
Overview views Modbus queries and replies status and the first result. For example "OK 24.2",
"Timeout", CRC error", "Unrecognized data" and so on.
Examples of the Modbus settings
The following examples are in the test connection where FT20, TTM20X, Eurotherm 2216e and RMD681
were connected to Modbus line and where Virtual IDs were set as follows.
The device / reading
Slave Address
Virtual IDs
Internal measurements
0…2
FT20
4
3…5
TTM20X
2
6
Eurotherm 2216e
1
7
RMD681
3
8…15
Config / Modbus
Baud rate
19200
Bits
8E1
Timeout[s]
1
Query interval[das]
3
Queries
4
Overview
->
Query 1
->
Query 2
->
Query 3
->