Eaton ELC-PB, Programming Manual

Page: 36 / 728

2. Prog rammi ng Con cep ts
M N050 03003E F or m ore info rm ati on vi sit: www.eaton.co m 2 - 7
2.3 ELC Memory Map for ELC-PV controllers
Items Specifications Remarks
Control Method Stored program, cyclic scan system
I/O Processing Method
Batch processing method
(when END instruction is executed) Fast I/O refresh instruction
can override batch update
Execution Speed
Basic instructions – 0.24
μ
seconds
minimum
Application instructions
varies per instruction
Program language Instru Ladder Logic + SFC
Program Capacity 15872 STEPS SRAM + Battery
Instructions 32 Basic instructions
197 Application
instructions
X External inputs
X0~X377, octal number
system, 256 points max.
Physical input points
Y External outputs
Y0~Y377, octal number
system, 256 points max.
Total
512 I/O
Physical output points
General M0~M511, Note 2
M512~M999, Note 3
Latched
M2000~M4095, Note 3
M
Auxiliary relay
Special
M1000~M1999
some are latched
Total
4096 bits
Main internal relay area
for general use.
T0~T199, Note 2
T192~T199 for Subroutine
100ms
T250~T255(accumulative),
6 points Note 4
T200~T239, Note 2
10ms
T240~T245(accumulative),
6 points, Note 4
T
Ti
m
er
1ms
T246~T249(accumulative),
4 points, Note 4
Total
256 bits
Contact = ON when timer
reaches preset value.
C0~C99, Note 2
16-bit count up
C100~C199, Note 3
C200~C219, Note 2
32-bit count
up/down
C220~C234, Note 3
Total
235 bits
C235~C244, 1 phase 1
input, 10 points, Note 3
C246~C249, 1 phase 2
input, 4 points, Note 3
Bit Cont
ac
ts
C
Cou
nter
32bit high-
speed count
up/down
C251~C254, 2 phase 2
input, 4 points, Note 3
Total
18 bits
Contact = ON when
counter reaches preset
value.