UM-0085-B09 DT80 Range User Manual Page 12
RG
Control String – Output Actions ................................................................................................................. 351
Control String – Input Actions ................................................................................................................... 353
Control String – Example .......................................................................................................................... 355
Schedules ................................................................................................................................................. 355
Serial Sensor Direct Mode ........................................................................................................................ 356
Serial Interface Power Control .................................................................................................................. 357
Serial Channel Debugging Tools .............................................................................................................. 357
Serial Channel Examples .......................................................................................................................... 358
Modbus Channel ................................................................................................... 361
About Modbus ........................................................................................................................................... 361
Connecting Serial Modbus Sensors .......................................................................................................... 361
Connecting Network Modbus Sensors ...................................................................................................... 362
Reading Data from Modbus Devices ........................................................................................................ 363
MODBUS Channel Options ....................................................................................................................... 364
Block Transfers ......................................................................................................................................... 365
Examples .................................................................................................................................................. 366
Troubleshooting ........................................................................................................................................ 366
Technical Details & Troubleshooting .................................................................. 368
DT80 Analog Sub-System ......................................................................................................................... 368
Grounds, Ground Loops and Isolation ...................................................................................................... 372
Noise Pickup ............................................................................................................................................. 373
Self-Heating of Sensors ............................................................................................................................ 373
Getting Optimal Speed from Your DT80 ................................................................................................... 374
Part P – The CEM20 ................................................................................. 375
What is the CEM20? ................................................................................................................................. 375
Connecting CEM20s ................................................................................................................................. 375
CEM20 Addresses .................................................................................................................................... 377
Powering the CEM20 ................................................................................................................................ 377
Accessing CEM20 Channels ..................................................................................................................... 377
CEM20 Temperature Reference ............................................................................................................... 378
Troubleshooting ........................................................................................................................................ 378
Part Q – Reference ................................................................................... 379
DT80 Series Specifications .................................................................................. 379
Analog Inputs ............................................................................................................................................ 379
Digital Inputs and Outputs ......................................................................................................................... 380
High Speed Counter Inputs ....................................................................................................................... 381
Serial Channels ......................................................................................................................................... 381
Data Manipulation and Logging ................................................................................................................ 382
Communication Interfaces ........................................................................................................................ 382
Network (TCP/IP) Services ....................................................................................................................... 383
System ...................................................................................................................................................... 384
CEM20 Specifications ........................................................................................... 385
Command Summary ............................................................................................. 386
ASCII-Decimal Table ............................................................................................. 389
RS-232 .................................................................................................................... 392
Signals ...................................................................................................................................................... 392
Cables ....................................................................................................................................................... 392
Upgrading DT80 Firmware ................................................................................... 394
Recommended Preparation ...................................................................................................................... 394
Firmware Upgrade – USB Flash Device ................................................................................................... 395
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