Yokogawa PC-Based MX100 - Manual (Page 362)

6-1
IM MX190-01E
MX100 Constants and Types
6
Chapter 6 MX100 Constants and Types
6.1 Overview of the MX100 Constants
The API provides the following types of constants. The constants are common to
Visual C++, Visual C, and Visual Basic.
Type Description Page
Communication constants Communication port number of the MX100 6-3
Enumeration constants Number of modules, etc. 6-3
Maximum values Maximum length of the tag string, etc. 6-3
Constants Data numbers for specifying the instantaneous 6-4
values, etc.
Boolean value Valid (ON) setting or Invalid (OFF) setting 6-4
Flag statuses Identifies the last data set when data is retrieved 6-4
Data status values Status of the measured data 6-4
Alarm types Upper-limit alarm, etc. 6-5
System control types System control operation 6-5
Channel kinds Universal input, digital input, etc. 6-5
Scale types No scaling or linear scale 6-6
Module types 4-CH Universal Input, etc. 6-6
Channel numbers 4 or 10 6-7
Interval types 10 ms to 60000 ms 6-7
Filter time constants Input filter time constant 6-7
RJC types Internal RJC or external RJC 6-7
Burnout types Off/Up/Down 6-7
Unit types MX100 6-8
Terminal types Screw terminal or clamp terminal 6-8
A/D integration time types Auto, 50 Hz or 60 Hz 6-8
Temperature unit types Celsius or Fahrenheit 6-8
CF write modes Data write mode to the CF card 6-8
CF status types CF status 6-8
Unit status values Unit status 6-8
FIFO status values FIFO status 6-9
Display format values Display format of the 7-segment LED 6-9
Output types Output range types 6-9
Selection values Output value selections 6-9
Transmission statuses Transmission output statuses 6-9
Initial balance results Result of execution of initial balancing 6-9
Options Presence/absence of options 6-9
Reference ranges See the measurement range of the channels 6-10
undergoing difference between channels computation
for the measurement range of the reference channel.
DC voltage range types 20 mV, etc. 6-10
TC range types Type R, etc. 6-10