
User Manual
Z-KEY-P
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Doc: MI00572-1-EN
Page 16
It represents the starting Modbus address of the TAG (in the case of a Seneca device it is filled in
automatically).
TARGET MODBUS REQUEST TYPE
It represents the type of Modbus command to use (Holding Register, Coil etc.).
In the case of a Seneca device it is filled in automatically.
TARGET REGISTER DATA TYPE
It represents the type of data of the tag used (Bit, Unsigned 16 bit, Unsigned 32 bit etc…).
In the case of a Seneca device it is filled in automatically.
TARGET MODBUS WRITE MODE
If you need to write the TAG via Profinet IO, it allows you to select the writing technique on the Modbus side:
Periodic or Data change.
Periodic: writing is carried out continuously with the set time interval
Data Change: writing occurs only if the tag changes its value.
Periodic or data Change: combines the two previous modes.
TARGET MODBUS WRITE PERIODIC TIME [s]
It represents the time interval in the case of TARGET MODBUS WRITE MODE of the TIMED type
"FIRMWARE UPDATE" SECTION
6.5.
In order to improve, add, optimize the functions of the product, Seneca releases firmware updates on the
device section on the
ATTENTION!
NOT TO DAMAGE THE DEVICE DO NOT REMOVE THE POWER SUPPLY DURING THE FIRMWARE
UPDATE OPERATION.
“DATABASE UPDATE” SECTION
6.6.
Seneca releases new Database files of its updated ModBUS devices on the Z-KEY-P device section of the
To update the database, select the file and press the "Update Database" button.
The device is already updated at the factory with the most recent database at the time of production