Table of Contents

Table of Contents
Chapter 1 – Introduction	1
THEORY OF OPERATION	1
MODBUS OVERVIEW	3
MODBUS FUNCTIONS SUPPORTED	5
MODBUS REGISTER MAPS	6
PEER TO PEER OVERVIEW	8
Chapter 2 – System Identification	10
RT12-4444-9T-W20 – FRONT PANEL IDENTIFICATION	10
RT12-4444-9T-W20 – EXTERNAL BATTERY BACK-UP	13
RT12-2222-ZP-S12 – FRONT PANEL IDENTIFICATION	14
RT12-2222-ZP-S12 – EXTERNAL BATTERY BACK-UP	17
RT12-0044-ZP-S12 – FRONT PANEL IDENTIFICATION	18
RT12-0044-ZP-S12 – EXTERNAL BATTERY BACK-UP	21
HARDWARE SET-UP	22
Typical Application: Peer-to-Peer	22
Typical Application: Modbus	24
Typical Application: Well Monitor and Control (Peer-to-Peer)	25
Typical Application: Well Monitor and Control (Modbus)	26
Typical Application: 4-20 mA to Voltage Conversion	27
Configuration Cable Description	28
Chapter 3 – Configuration & Programming	29
CONFIGURATION/MONITORING SOFTWARE SYSTEM MAP	29
CONFIGURATION/MONITORING SOFTWARE MAIN PAGE	30
CONTROLLER CONFIGURATION	31
CURRENT CONTROLLER SETTINGS	32
CONNECTING / DISCONNECTING	35
Master, Slave, Modbus, Peer-to-Peer	36
MODBUS CONFIGURATION	37
DIGITAL INPUT TYPES	38
RTU ALARMS	39
ANALOG OUTPUTS RESTING VOLTAGE	42
UPDATING/SENDING CONFIGURATION TO RTU	45
THIRD PARTY COMMUNICATIONS PROTOCOL SUPPORT	46
STATUS BAR	47
DIGITAL OUTPUTS	48


Manual Documentation Number: RT-12 series-4006m	Table of Contents	i	ii	Table of Contents	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.comB&B Electronics – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445 – www.bb-europe.com

B&B Electronics RT12-4444-9T-W20, RT12-0044-ZP-12, RT12-2222-ZP-12 manual Table of Contents

Models: RT12-0044-ZP-12 RT12-2222-ZP-12 RT12-4444-9T-W20