Timer/Watchdog; Counter - Addi-Data PC104-PLUS1500 Technical Description

Digital i/o board, optically isolated
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Technical data
Nominal voltage: ....................................... 24 V
Supply voltage range: ................................ 11 V to 36 V
Current limit: ............................................. 1.5 A per 8 channels (through PTC)
Output current for each output: ................. 150 mA (typ.)
Short circuit current for each output:......... 1.1 A (typ.) pulse current
R
ON (max.):.......................................... 0.2 Ohm at 25 °C
DS
Turn-on time (typ.): ................................... 50 μs
Turn-off time (typ.): .................................. 75 μs
Overtemperature (Shut-Down):................. 135 °C
Temperature hysteresis:............................. 10 °C
Diagnostics: ............................................... Common diagnostic bit for all 16

4.3.5 Timer/Watchdog

Timer1 (with watchdog)
Number: ..................................................... 1
Timer/watchdog depth:.............................. 12-bit
Programmability of the timer:
Time bases: ................................................ µs, ms, s
Monitoring period: .................................... 1 to 4095 µs, ms, s
Tolerance: ................................................. ≤ 1 µs, ms, s
Timer2
Number: ..................................................... 1
Timer depth: ............................................. 12-bit
Time bases: ............................................... µs, ms, s
Monitoring period: .................................... 1 to 4095 µs, ms, s
Tolerance: ................................................. ≤ 1 µs, ms, s

4.3.6 Counter

Number: ..................................................... 1
Counter depth: ........................................... 16-bit
Signal channel: .......................................... Channel 0
Reload value: ............................................. Programmable through software
Upwards/Downwards counter: .................. Programmable through software
Limit frequency: ........................................ 100 KHz
14
(Last on ground according to
IEC 1131-2;
Driver type: Infineon BTS4880R
(8-channel type)
Shut-Down at 24 V, R
Channels at overtemperature of one
channel
Programmable as watchdog for the
digital outputs
PC104-PLUS1500
<0.1 R
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