Eaton ELC-PB - Page 37

ELC Programming Manual
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2-8
Initial step point
S0~S9, 10 points
Note 2
Zero point
return
S10~S19, 10 points
(use with IST instruction)
Note 2
General
S20~S499, 480 points
Note 2
Latched
S500~S899, 400 points
Note 3
Bit Contacts
S
Step point
Alarm
S900~S1023, 124 points
Note 3
Total
1024 bits
Sequential Function Chart
(SFC) usage
T Current value T0~T255, 256 words
C0~C199, 16-bit counter, 200 words
C Current value
C200~C254, 32-bit counter, 53 words
General D0~D199, Note 2
D200~D999, Note 3
Latched
D2000~D9999, Note 3
Special D1000~D1999, 1000 words
D
Data register
Index E0~E7, F0~F7, Note 1
Total
10000
words
General storage for word
length data
Word Register
None
File register 0~9999, 10000 words, Note 4
Additional storage area to
be used
N Master control loop N0~N7, 8 points Master control nested loop
P Pointer P0~P255, 256 points Subroutine pointer
External
interrupt
I000/I001(X0), I100/I101 (X1),
I200/I201 (X2), I300/I301 (X3),
I400/I401 (X4), I500/I501 (X5), 6
points (01, rising-edge trigger
, 00,
falling-edge trigger
)
Time interrupt
I601~I699, I701~I799, 2 points
(Timer resolution = 1ms)
I801~I899, 1 points
(Timer resolution = 0.1ms)
Interruption
inserted when
high-speed
counter reaches
target
I010, I020, I030, I040, I050, I060,
6 points
Pulse
interruption
I110, I120, I130, I140, 4 points
Hi-speed
counter
I010, I020, I030, I040, I050, I060;
6 points
Pointer
I
Interrupt Service
Communication I150, I160, I170, 3 points
Address for interrupt
subroutines
Items Specifications Remarks