1. T3H Overview
1.4 Specifications
Functional specifications
| Type |
|
| PU325H | PU326H |
| |
| Control method | Stored program, cyclic scan | system |
| |||
| Scan system |
|
| Floating scan or constant scan (10 - 200 ms, 10 ms units) |
| ||
| I/O update |
|
| Batch I/O refresh (direct I/O instruction available) |
| ||
| Program memory | Main memory: RAM (battery backed) |
| ||||
|
|
|
|
| Auxiliary memory: EEPROM |
| |
| Program capacity | 32 k steps | 64 k steps |
| |||
| Programming language | Ladder diagram with function | block, |
| |||
|
|
|
|
| SFC (sequential function chart) |
| |
| Instructions |
| Ladder | Basic instructions: 24 types, |
|
| |
|
|
|
|
| Function instructions: 206 types |
| |
|
|
|
| SFC | Step, transition, sequence selection, simultaneous |
| |
|
|
|
|
| sequences, jump, etc. |
|
|
| Execution speed |
| 0.09 ∝ s/contact, 0.18 ∝ s/coil, |
|
| ||
|
|
|
|
| 0.54 ∝ s/transfer, 0.90 ∝ s/addition |
| |
| Multitasking |
|
| 1 Main program |
|
| |
|
|
|
|
| 4 |
|
|
|
|
|
|
| 1 Timer interrupt (1 - 1000 ms, 1 ms units) |
| |
|
|
|
|
| 8 I/O interrupt (task switch 500 ∝ s or less) |
| |
|
|
|
|
| 256 Subroutine |
|
|
| I/O capacity |
|
| 2432 points (using 32 points I/O modules) |
| ||
|
|
|
|
| 4864 points (using 64 points I/O modules) |
| |
|
|
|
|
| Local I/O space: 8192 points / 512 words |
| |
|
|
|
|
| (X/XW and Y/YW: batch I/O) |
|
|
|
|
|
|
| (I/IW and O/OW: direct I/O) |
|
|
| User data |
| Auxiliary relay | 16000 points / 1000 words (R/RW) |
| ||
|
|
| Special relay | 4096 points / 256 words (S/SW) |
| ||
|
|
| Timer | 1000 points (T./T) |
|
| |
|
|
|
|
| (proportion of 0.01s and 0.1s timer is user definable) |
| |
|
|
| Counter | 512 points (C./C) |
|
| |
|
|
| Data register | 8192 words (D) |
|
| |
|
|
|
|
| (leading 4096 words are stored in EEPROM) |
| |
|
|
| Link register | 16000 points / 2048 words (Z/W) (for |
| ||
|
|
| Link relay | 4096 points / 256 words (L/LW) (for |
| ||
|
|
| File register | 32768 words (F) |
|
| |
|
|
| Index register | 3 words (I, J, K) |
|
| |
|
|
| Retentive memory | F register and user defined ranges of RW, T, C, D |
| ||
| RAS |
| Power interruption, main/expansion power failure, |
| |||
|
|
|
|
| CPU/RAM/ROM check, I/O response, I/O bus check, I/O |
| |
|
|
|
|
| registration, I/O parity, battery level, watch dog timer, |
| |
|
|
|
|
| program check, others |
|
|
|
|
| Monitoring | Event history record, scan time measurement, others |
| ||
|
|
| Debugging |
| |||
|
|
|
|
| single step/N scan execution, break point, others |
| |
| RAM data | Lithium battery (type: TBT911∗ AS) |
| ||||
|
|
|
|
| Recommended replacement: every 2 years |
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
