ABB 266 MODBUS User Manual

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Contents
Typographical conventions ................................................................................................................................ vii
Additional publications ...................................................................................................................................... viii
1 Health and safety ........................................................................................................................................... 1
General information and notes ................................................................................................................................. 1
Safety, warning, and note symbols .......................................................................................................................... 1
Compliance............................................................................................................................................................. 2
2 System description........................................................................................................................................ 3
Introduction ............................................................................................................................................................. 3
Theory of operation ................................................................................................................................................. 3
Transmitter accuracy and traceability standards ....................................................................................................... 4
Transmitter dimensions ........................................................................................................................................... 4
Transmitter hardware subassemblies ....................................................................................................................... 6
Transmitter operational specifications ...................................................................................................................... 7
Power requirements ................................................................................................................................................ 8
Input/output specifications ....................................................................................................................................... 9
User interface ....................................................................................................................................................... 14
3 Installation ................................................................................................................................................... 16
Site planning and preparation ................................................................................................................................ 16
Unpacking, inspection, and verification .................................................................................................................. 17
Mounting options................................................................................................................................................... 19
Housing and display orientation ............................................................................................................................. 23
RTD installation .................................................................................................................................................... 25
Electrical connections............................................................................................................................................ 28
4 Transmitter start up ..................................................................................................................................... 33
Supplying power ................................................................................................................................................... 33
Configuring the transmitter .................................................................................................................................... 34
Commissioning the transmitter............................................................................................................................... 37

ABB 266 MODBUS Specifications

General

Brand	ABB
Model	266 MODBUS
Category	Transmitter
Language	English