SATEC ETC2002 - Manual (Page 51)

Chapter 5 Setting Up the ETC2002 Configuring Data Server
ETC2002 Network Communicator 51
5. Check the “Auto Reset” box if you want the status register
to be cleared after polling.
Write Data Exchanges
To enter the Setup dialog, select the ETC2002 site from the list box on the
PAS toolbar, select ETC2002 Setup from the Meter Setup menu, and then
click on the Write Data Exchanges tab.
See Data Server in Chapter 3 for more information on using data exchanges.
Refer to the ETC2002 Modbus Guide for information on how to put data into
a write exchange and to trigger it via communications.
The following table lists available options.
Parameter Options Default Description
Device address 1-247 1 Define the device to which
the exchange is linked
Device Start Register 0-65535 0 Defines the start device
register for a write
Block Size 1-12 0 Defines the number of
contiguous registers in the
write exchange
Write Enabled Disabled,
Enabled
Disabled Enables writing data to the
device upon a trigger
To configure a write data exchange:
1. Define the device address for a write data exchange. Note
that the real-time, status event and write data exchanges
with the same exchange number are internally linked in
the ETC2002 to the same device address.
2. Specify the start register address of the area in the device
Modbus map you wish to be written via the exchange.
3. Type the number of contiguous registers in the exchange.
4. Check the “Write Enabled” box to activate the exchange.