Functional specifications – Toshiba EX250 User Manual
Page 11
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Functional Specifications
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EX250
EX500
Control method
Stored program cyclic scan
Input/output control
Batch I/O (immediate I/O instruction is also available)
Programming
Ladder network with relay symbols and function blocks
1
Program c^iadty
4K steps
8K. steps
Memory type
CMOS RAM (with battery backup)/EPROM/EPROM (ROMs are option)
Battery life
Lithium battery S years (2S'Q
Procesaing spnd
1.1 ps/relay contact
6S ps/16>bit addition
0.75 fxs/relay contact
65 fxs/16-bit addition
I/O registere
2S6 points contained in 16 registers
512 points contained in 32 registers
32 registers total (1 register = 16 points)
64 registers total (1 register = 16 points)
Number
Ы
inatructions
15 basic and 64 special functions
1
E
u
c
Auxiliary retaj^r^rters
960 points contained m 60 registers (64 special relays contained 4 registers)
Link relays/registers
312 points contained in 32 registers
Timers
120 (0.1 - 3276.7 sec), S (0.01 - 327.67 sec)
Counters
96 (I - 65535 counts)
Data registers
1536 registers
Special relays
Link status. Dock pulses, Alarm status. Self diagnostics, etc. (64 points total)
Retentive registers
Auxiliary relays/registers, timers, counters and data registers can be designated to maintain data upon
power failure
Ctock-calendar (option)
Year, month, day, hour, minute, second
Communications
Computer link (RS4Z2)
PC link & remote I/O (TOSLINE-30)
Self diagnostics
CPU, RAM, ROM, I/O response. Watchdog timer. Power supply voltage:, Battery voltage, Scan time, I/O
setting and Illegal instruction
CPU control input/output
RUN healty output: relay output (250 Vac/24 Vdc - 2 A)
HOLD input: dry contact input (24 Vdc ~ 10 mA)
CPU status indicators
RUN: lit when running POWER: lit when power is normal
CPU: lit when CPU is normal ВАТТ: lit when battery is normal
I/O: lit when 1/O's are normal COMM: flickers during communication
PROG: lit when program is normal HOLD: lit when HOLD input is ON
JS
g
JS
p.
F
Oa
Programming
EX-PDD (software package for personal computer)
Graphic Programmer (GPllO/GPI 10 APl/110AP2)
Handy Programmer (HPlOO)
Mini Programmer (MPlOO)
Maintenance tool
Data Access Panel (DP 100)
Others
PROM Writer (PRIOO) — for use of UV-PROM module