IAI RCON-LC, Instruction Manual

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Chapter 4 PLC Features
4.1 Device Memory
ME0416-1A
4-7
4.1.7 OM_IX [Word Memory : For Index]
OM_IX is a word memory to have the index indication. There are two points, IX0 and IX1 available
for use.
<Example of Use>
If you describe D0IX0 and set 5 to IX0, D0IX0 should indicate D5.
4.1.8 OM_D [Word Memory : For General]
OM_D is a word memory available for each type commands. There are 128 points available for
use from D0 to D127.
4.1.9 OM_SD [Word Memory : For System]
System data should be assigned to the word memories for system as shown below. There are 64
points from SD0 to SD63. SD numbers and assignment of system data are as shown below.
Relation between SD Numbers and Assignment of System Data
Address
(Decimal)
Details of System Data
Assignment
Remarks
SD0-1 Reserved
SD2 Error Code Set a value when SM2 turns on
SD3 Error Step Set a value when SM2 turns on
SD4-9 Reserved
SD10 Min. Scan Time (msec)
SD11 Current Scan Time (mse)
SD12 Max. Scan Time (msec)
SD13
SM13 User Lock Pitch
( 10msec)
SD14-15 Reserved
SD16-63 DFC0 to 47 Completion Codes
Completed in normal condition: 1
When error occurred: Ladder program error
code
4.1.10 OM_T [For Timer]
OM_T is a time-counting memory and there are 64 points of timer available in total from T0 toT63.
All the points are a timer in a unit of 10ms. Time setting can be established in the range from 1 to
32767 (10ms to 327670ms). 327670ms should be approximately 5min 27sec.
Contact status can be confirmed in TS, coil status in TC, current value in TV and setting value in
TP.