Rogue Engineering 1950-250 - Manual (Page 10)

Modbus/SDI-12 Gateway User Manual Page 10 of 12
Last Updated: August 20, 2013
Command 1 Age Option 13109 1
Command 1 Future Expansion 13110 10
Command 2 Sequence 13120 20
Command 3 Sequence 13140 20
...
Command 100 Sequence 15080 20
Table A1 – Device Modbus Register
Item Detail
Item Name Description
Configuration Name 80 char max, packed into 2 char per register
Last Modified 4 registers as 64bit long integer, Visual C# representation
Modbus Direction 0=Modbus DCS, 1=SDI-12 DCS (not supported yet)
Modbus Address
Modbus Baud Rate one of 9600, 19200, 57600
SDI Power 1=Always Off, 2=Always On, 3=On when polling
Poll Interval in seconds, only valid if using SDI Power option 3
Power Up Delay in milliseconds
Number of Commands 1 to 100
Auto sequence Option (internal
use) 1=commands after the first one have their first register
set automatically
Command x Sensor Address 0-9 or a-z or A-Z
Command x Sensor Poll Interval in seconds, valid if SDI power option is 1 or 2
Command x First Input or Holding
Register first Modbus register where data will be available, see
Command Table for data lengths (actual register
(protocol address) is one less than this number)
Command x see Command Table
Command x First Value 1 to 9
Command x # of Values 1 to 9
Command x CRC Option 1=use CRC, only valid with certain commands
Command x Data Format 0=16 bit integer, 1=32 bit integer, 2=32 bit float, 3=1
character per register, 4=2 characters per register packed
Command x Word Order 0=MSW first, 1=LSW word first, only valid for 32 bit
data formats
Command x Age Option 1=append aging information after data
Command x Future Expansion N/A
Table A2 – Command Items Detail Description