4. Vaisala Industrial Protocol
4.1 Vaisala Industrial Protocol Overview
The RS-485 line of the probe provides an implementation of the Vaisala Industrial Protocol
that can be used for service and
configuration use, or for interfacing with the system to
which the probe is integrated. The protocol is a plaintext protocol suitable for use both by
human operators and automated systems.
4.2 Serial Interface Settings
Table 6 Default Serial Interface Settings
Property Description/Value
Bit rate 19200
Parity None
Data bits 8
Stop bit 1
Flow control None
4.3 Physical Interface
The physical interface is a non-isolated 2-wire interface. The data lines are RS-485 D- and
RS-485 D+. Ground is shared with power supply. The connector is a 5-pin male M12.
More Information
‣
Wiring (page 25)
4.4
Connecting with a Computer
• Vaisala USB service cable (order code 242659)
• Computer with:
• Windows operating system
• Terminal application (for example PuTTy, available from www.vaisala.com/
software)
• Free USB port
• Driver for Vaisala USB service cable installed (available on the cable installation
media and at www.vaisala.com/software)
Chapter 4 – Vaisala Industrial Protocol
27
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