Campbell Scientific SDM-SIO4 4-Channel Serial I/O Interface - Manual (Page 33)

5-1
Section 5. Programming the Datalogger
The datalogger instruction specific to the SDM-SIO4 is P113 (CR7 and CR10/10X only).
(Please check with Campbell Scientific to see if your version of the operating system
supports this.) The instruction has the following format:
Parameter No. Description
01 Reps (number of adjacent addressed SDM-SIO4s)
02 Address of SDM-SIO4 (0..15)
03 Mode (0..5)
04 Command (0..9999).
05 First command option (0..9999)
06 Second command option (0..9999)
07 Values per rep
08 Starting input location
09 Multiplier
10 Offset
5.1 Instruction 113 Parameters
5.1.1 Parameter 1 — Reps
This specifies the number of times you wish this command to repeat for each
SDM-SIO4 connected to the datalogger with sequential addresses. This will
normally be set to one.
5.1.2 Parameter 2 — Address
This is the address of the SDM-SIO4 that the instruction applies to.
See Section 2 – ‘Installation and Hardware Set-Up’ for information on setting
the SDM-SIO4 address
5.1.3 Parameter 3 — Mode
This defines which port the command applies to:
Code Port
1
Send/Receive port 1
2 Send/Receive port 2
3 Send/Receive port 3
4 Send/Receive port 4
5 Send to all four ports (global)