User’s Manual 11
1. T3H Overview
1.2 Differences between T3H and T3
The table below summarizes the differences between the T3H and T3. All other
functions supported by the T3 can also be supported by the T3H as same.
Item T3H T3
Program memory capacity 32 k steps (PU325H)
64 k steps (PU326H) 32 k steps
(PU315 and PU325)
Built-in EEPROM Yes
(PU325H and PU326H) No (PU315)
Yes (PU325)
Programming instructions All T3’s instructions plus
FUN042 D∗/
FUN156 PID3
FUN232 FPID3
FUN239 SEND
FUN240 RECV
−
Execution speed (µs) 0.09 / contact
0.18 / coil
0.9 / addition
0.15 / contact
0.3 / coil
1.5 / addition
Max. number of I/O modules
supported in local 76 modules
(when IF321 is used) 43 modules
System
operation Timer interrupt interval
setting 1 to 1000 ms, 1 ms units 2 to 1000 ms, 1 ms units
Auto-RUN / standby
selection Software setting
(system information) Hardware switch
(RAM/ROM switch)
User data External I/O
(X/XW, Y/YW ) 8192 points / 512 words 4096 points / 256 words
Auxiliary register
(R/RW) 16000 points /
1000 words 8192 points / 512 words
Special register
(S/SW) 4096 points / 256 words Same as left
Timer (T./T) 1000 points
(proportion of 0.1s and
0.01s timer is user
definable)
512 points
(T000 - T063: 0.1s)
(T064 - T511: 0.01s)
Counter (C./C) 512 points Same as left
Data register (D) 8192 words Same as left
Link register (Z/W)
(for TOSLINE-S20) 16000 points /
2048 words
(bit access available for
leading 1000 words)
8192 points /
1024 words
(bit access available for
leading 512 words)
Link register (L/LW)
(for TOSLINE-F10) 4096 points / 256 words Same as left
File register (F) 32768 words 8192 words
Index register
(I, J, K) 3 words Same as left
Programming tool T-PDS T-PDS and HP911
Networking Ethernet,
TOSLINE-S20,
TOSLINE-F10,
RS-485 computer link
TOSLINE-S20,
TOSLINE-F10,
RS-485 computer link