Vaisala Indigo 202 - Appendix A. Modbus Reference; Function Codes and Device Identification; Indigo Status Registers

Appendix A. Modbus
R
eference
A.1 Function Codes
Table 13 Supported Function Codes
Function Code (Decimal) Function Code (Hexadecimal) Name
03 03
he
x
Read Holding Registers
16 10
he
x
Write Multiple Registers
43 / 14 2B
hex
/ 0E
hex
Read Device Identification
A.1.1 Device Identification Objects
Table 14 Device Identification Objects
Object Id
(
decimal)
Object Id
(hexadecimal)
Object Name Example Contents
0 00
he
x
VendorName “Vaisala”
1 01
he
x
ProductCode Indigo 202
2 02
he
x
MajorMinorVersion Software version (for example “1.2.3”)
3 03
he
x
VendorUrl “http://www.vaisala.com/”
4 04
hex
ProductName Indigo 202 Digital Transmitter
128 80
he
x
SerialNumber Serial number of the device (for example
“K0710040”)
129 81
he
x
Calibration date Date of the factory calibration
130 82
he
x
Calibration text Information text of the factory calibration
A.2 Indigo Status Registers
The following table describes the status information provided in Indigo status registers
(tr
ansmitter, probe, and relay statuses). For more details on the high-level transmitter and
probe statuses reported in register E000
hex
, see Notification and Error Bits.
Appendix A – Modbus Reference
65