ERL tesla lite, User Manual, Page: 237 / 288

D03283R01.10 TESLA LITE User Manual Appendix D-1
Appendix D Modbus Functions
The TESLA LITE recorder operates as a slave device on the Modbus network,
with an address of 1 to 247 (decimal), 0x01 to 0xF7. The Point List can be
printed through TESLA Control Panel to display the point names as they are
configured. Please refer to “Printing a SCADA Address List” on page 8-46.
For further information on Modbus, please refer to your Modbus master device
manual, or obtain Modicon’s
Modbus Protocol Reference Guide , document PI-
MBUS-300.
Read Coil Status (Function Code 01, 0X References)
Channel Address Value
Hold Readings 00001 0: Readings not held 1:Readings held
Reserved 00257 Reserved
Contact 1 00513 0: Contact open (inactive) 1: Contact closed (active)
Contact 2 00514 0: Contact open (inactive) 1: Contact closed (active)
Contact 3 00515 0: Contact open (inactive) 1: Contact closed (active)
Contact 4 00516 0: Contact open (inactive) 1: Contact closed (active)
Contact 5 00517 0: Contact open (inactive) 1: Contact closed (active)
Contact 6 00518 0: Contact open (inactive) 1: Contact closed (active)
Logic Detector 1 00769 0: Off (inactive) 1: On (active)
Logic Detector 2 00770 0: Off (inactive) 1: On (active)
Logic Detector 3 00771 0: Off (inactive) 1: On (active)
Logic Detector 4 00772 0: Off (inactive) 1: On (active)
Logic Detector 5 00773 0: Off (inactive) 1: On (active)
Logic Detector 6 00774 0: Off (inactive) 1: On (active)
Logic Detector 7 00775 0: Off (inactive) 1: On (active)
Logic Detector 8 00776 0: Off (inactive) 1: On (active)
Logic Detector 9 00777 0: Off (inactive) 1: On (active)
Logic Detector 10 00778 0: Off (inactive) 1: On (active)
Logic Detector 11 00779 0: Off (inactive) 1: On (active)
Logic Detector 12 00780 0: Off (inactive) 1: On (active)
Logic Detector 13 00781 0: Off (inactive) 1: On (active)
Logic Detector 14 00782 0: Off (inactive) 1: On (active)
Logic Detector 15 00783 0: Off (inactive) 1: On (active)
High/low speed recording
active 01025 0: Off (inactive) 1: On (active)
High/low speed recording
space nearly full alarm 01026 0: Off (inactive) 1: On (active)
Trend Recording Active 01281 0: Off (inactive) 1: On (active)