TABLE OF CONTENTS
1 Introduction ................................................................................................ 4
1.1 Purpose ................................................................................................................ 4
1.2 Definition of Terms and Acronyms ........................................................................ 4
1.3 Supporting Documents ......................................................................................... 4
2 Modbus Interface ........................................................................................ 5
2.1 Modbus Functions ................................................................................................ 5
2.2 Data Formats ........................................................................................................ 5
Multiple Register Reads ................................................................................................. 6
Multiple Register Writes ................................................................................................ 6
Request Packet Sizes ...................................................................................................... 6
Modbus USB Support ..................................................................................................... 7
3 Platinum Modbus Register Assignments ...................................................... 8
3.1 Non Volatile Memory Accesses ............................................................................. 8
3.2 Enumerated Values ............................................................................................. 19
Control/System Parameters......................................................................................... 19
Display & Formatting ................................................................................................... 20
Ramp and Soak Parameters ......................................................................................... 20
Input Parameters ......................................................................................................... 21
Setpoint Parameters .................................................................................................... 22
Alarm Parameters ........................................................................................................ 22
Output Parameters ...................................................................................................... 23
Annunciator Parameters .............................................................................................. 23
Communication Parameters ........................................................................................ 24
Excitation Parameters .................................................................................................. 25
Calibration Parameters ................................................................................................ 25
Input / Output Scaling .................................................................................................. 26
Figures
Figure 1- I/O Scaling. ............................................................................................................................ 26