ELC Operation Manual
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1-4
Items Specifications Remarks
Initial step point S0~S9, 10 points, Note 4
Zero return S10~S19, 10 points, Note 4
Bit
S
Step point
Latched S20~S127, Note 4
Total
128 bits
SFC usage
S10~S19 is used with
IST instruction
T
Current value T0~T127, 128 words
C0~C127, 16-bit counter,
C
Current value
C235~C254, 32-bit counter
General D0~D407, Note 1
Latched D408~D599, Note 3
Special D1000~D1311, 312 words
Word Register
D
Data register
Index E=D1028, F=D1029, Note 1
Total
912
words
General storage for
word length data.
N
Master control loop N0~N7, 8 points
P
Pointer P0~P63, 64 points Subroutines pointer
External interrupt
I001 (X0), I101 (X1), I201 (X2), I301
(X3); 4 points (all are rising-edge
trigger)
Time interrupt
I610~I699, 1 points (Timer resolution =
1ms)
Pointer
I
Interrupt Service
Communication I150, 1 point
Address for interrupt
subroutines
K
Decimal
K-32,768 ~ K32,767 (16-bit operation)
K-2,147,483,648 ~ K2,147,483,647 (32-bit operation)
Constant
H
Hexadecimal
H0000 ~ HFFFF (16-bit operation),
H00000000 ~ HFFFFFFFF (32-bit operation)
Serial ports
COM1: RS-232 (Slave),
COM2: RS-485 (Master/Slave),
Both can be used at the same time.
Clock/Calendar (RTC) None
Special expansion modules
Attach up to 8 modules of any type analog I/O extension
modules
Notes:
1. Data area is non-latched.
2. Default is non-latched, optionally can be set to latched.
3. Default is latched, optionally can be set to non-latched.
4. Data area is latched.