Addressing
Data Table Files
2-1
Addressing Data Table Files
(Enhanced, Ethernet, and ControlNet Processors) Series E and Later –
File Type
File-Type
Identifier
File
Number
Maximum Size of File
16-bit words and structures
c
Memory Used in
Overhead for each
File
(in 16-bit words)
Memory Used
(in 16-bit words) per
Word, Character, or
Structure
PLC-5/11, -5/20
PLC-5/30
PLC-5/40
PLC-5/60, -5/80
Output image
O
0
32
64
128
192
6
1/word
Input image
I
1
32
64
128
192
6
1/word
Status
S
2
128
128
128
128
6
1/word
Bit (binary)
B
3
a
D7KLVLVWKHGHIDXOWILOHQXPEHUDQGW\SH)RUWKLVILOHW\SH\RXFDQDVVLJQDQ\ILOHQXPEHUIURPWKURXJK
2000 words
6
1/word
Timer
T
4
a
6000 words/2000 structures
6
3/structure
Counter
C
5
a
6000 words/2000 structures
6
3/structure
Control
R
6
a
6000 words/2000 structures
6
3/structure
Integer
N
7
a
2000 words
6
1/word
Floating-point
F
8
a
4000 words/2000 structures
6
2/structure
ASCII
A
3-999
2000 words
6
1/2 per character
BCD
D
3-999
2000words
6
1/word
Block-transfer
BT
3-999
12000 words/2000 structures
6
6/structure
CIO
CT
3-999
12000 words/2000 structures
6
6/structure
Message
MG
3-999
32760 words/585 structures
b
E7KHPD[LPXPVL]HRIDGDWDWDEOHILOHLV.ZRUGV7KHPD[LPXPVL]HRIWKHHQWLUHGDWDWDEOHLV.ZRUGV
F&RQWURO1HW3/&VGRQRWVXSSRUWHOHPHQWVILOH7KHPD[LPXPVL]HRIDGDWDWDEOHILOHLV.ZRUGV7KHPD[LPXPVL]HRIWKHHQWLUHGDWDWDEOHLV.ZRUGV
G&RQWURO1HW3/&VRQO\
6
56/structure
PID
PD
3-999
32718 words/399 structures
b
6
82/structure
SFC status
SC
3-999
6000 words/2000 structures
6
3/structure
ASCII string
ST
3-999
32760 words/780 structures
b
6
42/structure
Unused
--
9-999
6
6
0