Yokogawa PC-Based MX100 - Manual (Page 551)

11-1
IM MX190-01E
DARWIN Constants and Types
11
Chapter 11 DARWIN Constants and Types
11.1 Overview of the DARWIN Constants
The types of constants provided are listed below. The constants are common to
Visual C++, Visual C, and Visual Basic.
Type Description Page
Communication constants Communication port number of the DARWIN 11-2
Enumeration constants Number of subunits, etc. 11-2
Maximum values Maximum length of the channel name string, etc. 11-2
String Terminator string 11-2
Boolean value Valid (ON) setting or Invalid (OFF) setting 11-2
Flag statuses Identifies the last data set when data retrieved 11-3
Data status values Status of the measured data 11-3
Alarm types Upper-limit alarm, etc. 11-3
System control types System control operation 11-4
Channel types/relay types Channel or relay types 11-4
Operation modes Operation, setup, and A/D calibration 11-4
Talker function types Talker supporting output data 11-5
Status byte Various statuses 11-5
Establish setup mode Abort, establish 11-5
Unit number Extension model, standalone model 11-5
Computation Calculation start, stop, clear, etc. 11-6
Report execution type Report start/stop 11-6
Report type Hourly, daily, monthly, status 11-6
Report status All invalid, newest, valid 11-6
DC voltage range types 20 mV, etc. 11-6
TC range types Type R, etc. 11-7
RTD range types Pt100: 1 mA, etc. 11-7
Contact input range types Voltage level or contact input 11-7
Strain input ranges 2 k, 20 k, 200 k 11-8
Pulse ranges GATE,RATE 11-8
Power monitor ranges 25 V 0.5 A, 25 V 5 A, 250 V 0.5 A, 250 V 5 A 11-8
DC current ranges 20 mA 11-8
Power connection methods Single-phase two-wire, etc. 11-9
Power measurement parameters Effective current, etc. 11-10