NetScan User’s Manual iii
6 Calibration
Introduction ……6-1
Calibration Setup ……6-1
Non-Volatile Storage of Calibration Constants
……6-2
Hardware Protected RAM ……6-2
ScanCal Software Application ……6-3
ScanCal’s Main Window ……6-3
Using ScanCal ……6-4
Interface Parameters
System Inventory
Calibration
Calibration Without ScanCal ……6-5
Password ……6-5
Calibration Mode Indicator ……6-5
Command Active Indicators ……6-5
Manual Calibration of Main Unit ……6-6
Offset Calibration of Main Unit ……6-6
Gain Calibration of Main Unit ……6-8
Manual Calibration of
Signal Conditioning Cards ……6-10
Offset Calibration of Cards ……6-10
Gain Calibration of Low Volts Cards ……6-12
Gain Calibration of High Volts Card ……6-15
Cold Junction Calibration ……6-17
7 Hardware Setup
Overview ……7-1
Front Panel ……7-1
Rear Panel ……7-2
Power Aspects ……7-3
Changing the Voltage Setting ……7-3
Replacing the AC Power Supply Fuse ……7-4
Memory Configuration ……7-4
Expanded Memory Options ……7-4
Calibration Memory Write Enable/Disable
……7-6
Ethernet Interface Configuration ……7-6
RS-232/422 Interface Configuration ……7-6
Configuring RS-322/422 Parameters …… 7-7
Serial Port Pin Connectors ……7-8
Digital I/O Lines ……7-10
Logic Levels ……7-10
Digital I/O Port Pinout ……7-10
External TTL BNC Connectors ……7-11
Signal Conditioning Cards ……7-11
CSN14/TC/P Thermocouple and Low Volts
Card with Subminiature Plugs ……7-12
CSN14/LV/ (T, B, & S) Low Voltage Cards
……7-14
CSN14/HV/S High Voltage Card with Safety
Jack Connectors ……7-15
CSN/Relay Card (for High-Current Digital-
Output) ……7-16
CSN/Relay Card Specifications ……7-17
Expansion Chassis, CSN/Exp (Option)
……7-17
Connecting the Expansion Chassis ……7-17
Automatic Channel Assignment ……7-19
Appendices
Appendix A

API Commands
Appendix B

Ethernet API
Appendix C Configuration Aspects for
Programmers
Appendix D Registers, Data Formats, &
Queries
Appendix E NetScan Program Examples
Appendix F ASCII Code Summary
Appendix G NetScan Error Messages
Appendix H Abbreviations