B&B Electronics RT12-4444-9T-W20 Typical Application Peer-to-Peer Typical Application Modbus

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Typical Application: Peer-to-Peer

Typical Application: Modbus

This typical application shows the INPUT voltage signals from the Master controller is sent to the Slave controller. The save output voltages reflect the Masters input voltages.

The Slave INPUT voltage signals are sent to the Master and converted to the Master’s OUTPUT voltages signals and reflect the SLAVE inputs voltages.

Manual Documentation Number: RT-12 series-4006m

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B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104www.bb-elec.comB&B Electronics – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445www.bb-europe.com

This typical application shows two Slave Modbus controllers. Modbus slave controller can be address from 1 to 255.

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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 815-433-5104www.bb-elec.comB&B Electronics – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445www.bb-europe.com

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Contents Wireless Modbus I/O Modules Wireless I/O Modules from B&B Electronics Table of Contents Theory of Operation For Peer-to-Peer mode, check and confirm the followingFor Modbus Slave RTU mode, check and confirm the following Modbus Overview Modbus Functions Supported Modbus Register MapsRT12-4444 Modbus Map Peer to Peer Overview RT12-2222 Modbus MapRT12-4444-9T-W20 Front Panel Identification Connection Screw Terminal DescriptionTo Connect to a Controller Serial RS-232 Interface Power 10.5~28 VdcData Activity LED Indicators Link/Sanity LED IndicatorsRT12-2222-ZP-S12 Front Panel Identification RT12-4444-9T-W20 External Battery Back-upConnection Screw Terminals Description RT12-0044-ZP-S12 Front Panel Identification RT12-2222-ZP-S12 External Battery Back-upPower 10.5~28 Vdc RT12-0044-ZP-S12 External Battery Back-up Hardware Set-upTypical Application Peer-to-Peer Typical Application Peer-to-Peer Typical Application Modbus Typical Application Well Monitor and Control Modbus Typical Application Well Monitor and Control Peer-to-PeerConfiguration Cable Description Typical Application 4-20 mA to Voltage ConversionPin# Connection color Configuration/Monitoring Software Main Configuration/Monitoring Software System MapCurrent Controller Settings Controller ConfigurationManual Documentation Number RT-12 series-4006m Master, Slave, Modbus, Peer-to-Peer Connecting / DisconnectingDigital Input Types Modbus ConfigurationRTU Alarms Analog Outputs Resting Voltage Input Voltage Alarm LimitsManual Documentation Number RT-12 series-4006m Third Party Communications Protocol Support Updating/Sending Configuration to RTUDigital Outputs Status Bar