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PCI bus 12-channel timer/counter board |
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» Features
■ On-board four 8254 timer/counter chips
■ 12 independent 16-bit timer/counter
■ 12 external clock input
■ 12 external gate control input
■ 12 timer/counter output
■ All Signal are TTL compatible
■ 16-bit timer/counter can be cascaded to 32/48-bit
■ Gate input can be from external or previous timer/counter output
■ 4 internal interrupt source : COUT3, COUT6, COUT9, COUT12
■ 2 internal clock source : 8M/1.6M, 0.8M/80K
■ 16-channel D/I; 16-channel D/O
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» Functional Description
The PCI-TMC12A is a PCI bus general purpose timer/counter and digital I/O board. It provides twelve channels of 16-bit Timer/Counter.
Two internal clock sources (8M/1.6M and 0.8M/80K) are selected by jumper.
» Applications
● Event Counting
● Wave Generator
● Frequency Measurement
● Pulse Width Measurement
● Time-delay generationFeatures
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TMC-10 |
PCI-TMC12A |
| 8254 |
4 |
same |
| 16-DI |
No |
Yes |
| 16-DO |
No |
Yes |
| 16-bit Time/Counter |
8 |
12 |
| 32-bit Time/Counter |
2 |
0 (can be cascadded) |
| Internal clock source |
2 |
Same |
| External clock source |
8 |
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| flexible |
flexible |
More flexible |
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» Specifications
Digital I/O
● All input & output are TTL compatible
● Input logic high voltage : 2.0V min / 5.0V max
● Input logic low voltage : -0.5V min / 0.8V max
● Output sink current : +24 mA max
● Output source current : -15 mA max
General Specifications
● I/O connector : one 37-pin D-Sub female
two 20-pin ribbon male
● Power requirements : +5V@500 mA
● Operating temperature : 0°C ~ 60°C
● Operating humidity : 0% ~ 90% non-condensing
● Storage temperature : -20°C ~ 80°C
● Dimensions : 150 mm x 105 mm
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Ordering Information
Standard
PCI-TMC12A : 12-channel timer/counter board
Optional
DN-37 : 2x37-pin connector DIN-rail mounting
terminal board
DB-37 : 37-pin D-sub directly connector terminal board
DN-20 : 2x20-pin header DIN-rail terminal board
DB-16P : 16-channel isolated D/I board
DB-16R : 16-channel relay board
ADP-20/PCI : 20-pin extender
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