K&R GT600-4T132G User Manual page 221

6. Description of Parameters
7 . Interfaces and Communication
7.1 About Use of GT600 Terminals ............................................................................. 220
7.2 Serial Communication .................................................................................... 223
7.3 About Multi-functional Extension Interfaces ................................................... 224
7.4 Definition of Communication Data Address .................................................... 225
7.5 Modbus Communication Protocol ................................................................... 228
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