Yokogawa PC-Based MX100 - Manual (Page 1213)

25-15
IM MX190-01E
25
DARWIN for Extended API Constants and Types
25.4 Overview of DARWIN Constants for Loading
Instantaneous Value Data
The types of constants provided are listed below.
Type Description Page
Constants Channel numbers in the unit, etc. 25-2, 25-17
Numbers of items Number of subunits, etc. 11-2, 25-17
Maximum values Max length of the channel name string, etc. 11-2, 25-17
Boolean values Valid (ON) setting or Invalid (OFF) setting 11-2, 25-17
Communication constants The inst value data loading port number 25-16, 25-18
Data status values Status of the measured data 11-3, 25-18
Alarm types Upper-limit alarm, etc. 11-3, 25-18
Channel types/relay types Channel or relay types 11-4, 25-19
Unit numbers Expandable model, standalone model 11-5, 25-19