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Manual Documentation Number: RT-12 series-4006m 33
B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 – www.bb-elec.com
B&B Electronics – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445 – www.bb-europe.com
If your system is configured on Peer-to-Peer mode, by default, if the Slave unit does not
receive a response from the master within 20 seconds of any polling sequence, and if the
”Set Rest Voltage On Comm Error” is enabled, an alarm will sound on the Slave unit
and depending on alarm parameters set, would cause the Slave’s outputs to be set with
the user defined resting voltages.
Retries: In Peer-to-Peer mode, this parameter
determines the number of consecutive failed polling
attempts before a communications failure occurs. It
is not recommended to set the number of retries
higher than 10 attempts. Large numbers may cause
an unnecessary delay in communications failure
response time; a low number may cause the system
to prematurely fail. This parameter has no affect in
Modbus mode.
Output Power: This parameter determines the RF
Power output on some RTU’s. If a respective RTU
does not support a variable RF power out the
parameter will continue to display “Output Power”.
34 Manual Documentation Number: RT-12 series-4006m
B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 – www.bb-elec.com
B&B Electronics – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445 – www.bb-europe.com
The “ID” field has a dual purpose, as the controller number when in peer-to-peer
mode and the Modbus slave address field when in MODBUS mode.
If Modbus is selected, the Radio ID will automatically appear and the “ID” field will
automatically change to “MODBUS ID.”
If your controller is programmed in Modbus mode, the ID field will change to the
Modbus Slave address. Valid addresses are from 1 to 255. Keep in mind that the
Modbus master you are interfacing to may not support the full spectrum of slave
address IDs. Please refer to your device user’s manual.