Toshiba T2N User Manual Page 110

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1.Overview
Users manual 97
Item Specifications
Control Method Stored program, cyclic scan system
I/O Method Batch I/O(refresh), Direct I/O, or combination
Number of I/O points 2,048 points / 128 words
Program
language
Ladder diagram (relay symbol + function block)
SFC (Sequential Function Chart)
Program
capacity
23.5K steps
Memory
Main memory : RAM (battery back up)
Optional memory : EEPROM
RAM memory
back-up
Built-in battery (more than 5 years/ 25°C)
Instructions
Basic ladder instructions:24, function block instructions:192
transfer(single length/double length/registertable)
arithmetic calculation(single length/double length/binary/BCD)
logical operation(single length/double length/binary/BCD)
comparison(single length/double length,sign/unsign)
program control(jump/FOR-NEXT/subroutine and others)
function(limit/trigonometric integral/PID/function generator
and others)
conversion(ASCII/BCD/7 segment/HEX-ASCII/ASCII-HEX
floating point math function and others)
Other functions
User
Program
Execution
speed
0.33
µ
s / contact,0.44
µ
s / coil
1.2
µ
s / transfer,1.6
µ
s / addition
Scanning system Floating scan/constant scan (interval : 10-200ms, 10ms units)
Multitasking
1 main program, 1sub program
1 timer interrupt (5-1000ms, 5ms units), 4 I/O interrupt
I/O
device/register
2,048 points/128words (X / Y, XW / YW batch I/O)
(I / O, IW / OW direct I/O)
(1 word is 16 bit.)
Auxiliary
device/register
4,096 points / 256words (R/RW)
Special
device/register
4,096 points / 256words (S/SW)
Timer
device/register
512 points (T./T) (T000-T063 : 10ms)
(T064-T511 : 0.1sec.)
Counter
device/register
512 points (C./C)
Data register 8192 words (D)
Link
device/register
16,000 points / 2,048words (Z/W)
(for TOSLINE-S20,TOSLINE-30)
Link
relay/register
4,096 points / 256words (L/LW)
(for TOSLINE-F10)
File register 1,024words (F)
Expanded
file register
24,576words (8,192words
3banks
accessed by using XFER instruction)
Index register I, J, K (total 3words)
User
data
Retentive
memoory
User specified for RW,T,C and D
Diagnosis
Battery level, I/O bus check, I/O respomse, I/O parity,
Watch dog timer, illegal instruction, LP check, others
Monitoring Event history record, scantime measurment, others
RAS
Debugging Online trace monitor, force, sampling trace, status latch, others
1.2
Functional Specifications
Use READ/WRITE instruction in order to access transmission data of
TOSLINE-S20 in the T2N.
The T2N doesnt support automatic data refresh of TOSLINE-S20.
NOTE
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