Sensoray 826 Bedienungsanleitung Seite 75

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Chapter 11: Specifications
Digital I/O
Channels Number/type 48 bi-directional
Signal levels 5 V TTL/CMOS
Sampling rate 50 Ms/s
Output Driver type Open drain, active-low sink driver
Internal pull-up impedance 10 k, 5%
On-state sink current (maximum) 24 mA
Sink current when board unpowered < 20 µA
Fail-safe mode Yes
Input Receiver type Schmitt trigger
Noise/debounce filter Interval: 0 to 1.3107 ms in 20 ns steps, common to all channels.
Enable/disable: per channel.
Counters
Channels Number/type 6 multifunction
Resolution 32 bits
Count rate (maximum) 25 MHz (external clock), 50 MHz (internal clock)
Operating modes Incremental encoder, event counter, frequency counter, pulse width
measure, PWM generator, pulse generator, custom
Clock frequency Internal 50 MHz, 50 ppm
External (maximum) Derate for deviations from 50% duty cycle:
6.25 MHz @ quadrature x4
12.5 MHz @ quadrature/mono x2
25 MHz @ quadrature/mono x1
Inputs (CLK, IX) Receiver type RS-422 differential
Signal levels Differential: RS-422, ±7 V CMV maximum
Single ended: 5 V TTL/CMOS
Noise/debounce filter Interval: 0 to 1.3107 ms in 20 ns steps, common per channel.
Enable/disable: independent IX, CLK pair.
Analog Inputs
Channels Number/type 16 differential
ADC Resolution 16 bits
Conversion time
3 µs
Input Differential voltage measurement ranges ±1 V, ±2 V, ±5 V, ±10 V
Absolute input voltage (signal + CMV, max) ±11 V off GND
CMRR > 80 dB @ 1 kHz, > 65 dB @ 10 kHz
Input impedance >10 M in parallel with 100 pF
Settling time for multichannel measurements 4µs max. @ < 1 k input Z with no gain change
Triggering Modes Hardware: 48 external digital inputs, 6 internal counter outputs.
Software: 6 virtual digital outputs.
Untriggered (free-running).
Analog Outputs
Channels Number/type 8 single ended, with local (on-board) sense
DAC Resolution 16 bits
Conversion time
(serializer transmission + analog conversion)
1.04 µs
Output Voltage ranges 0 to +5 V, 0 to +10 V, ±5 V, ±10 V
Load current (maximum) 2 mA
Fail-safe mode Yes
826 Instruction Manual 70 Specifications
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