D-1
Appendix D. Changing the HC2S3
Settings
D.1 HC2S3 Default Settings
The HC2S3 probe has the following default settings, which can be changed as
described in the following sections. Additional information can be found in
Rotronic’s User Manual: E-M-HC2 Probes-VXXXX, which can be
downloaded from Rotronic's website
Default Settings:
Configurable Settings
Factory Default
Unit system (Metric or English)
Metric
Psychrometric calculation
None
Output 1 parameter, scale and unit Humidity: 0...100% RH
Output 2 parameter, scale and unit Temperature: –40...+60 deg C
Communications Protocol
RO-ASCII
RS-485 Address
0
Device name
Probe type
Humidity / temperature adjustment
Device write protection
Disabled
Limit humidity output to 100% RH Disabled
Out-of-limit value digital alarm
Disabled
Data recording
Enabled (loop mode - 10 min interval)
Automatic humidity sensor test
Disabled
Humidity sensor drift compensation Disabled
Fail safe mode
Disabled
Simulator mode
Disabled
Digital Interface:
Interface Type:
UART (Universal Asynchronous Receiver Transmitter)
Organization:
Dialog, duplex
Default Configuration:
Baud rate: 19200
Parity: none
Data bits: 8
Stop fits: 1
Flow Control: none
Logical Levels:
Logical 0: <= 0.3V*VDD
Logical 1: <= 0.8V*VDD