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.DS-32 RTU Digital Input Expansion Board
Overview
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Power Requirement and On-Board Power Supplies: |
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- 2 isolated unregulated 12 VDC (1/2 Amp each) or 24 VDC (1/4 Amp each)
1 for electronics, 1 for digital Input Excitation.
- An additional option is to use an external source for Digital Input
Excitation.
- On-Board Power Supplies: Switching mode, +5 VDC for digital
electronics.
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System Status Indicators: |
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- Integrity check / Change of State indicator.
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Data and Address Bus: |
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- 40-pin ribbon cable connection daisy-chained to a maximum of 14 DI/DO
board combinations.
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Digital Inputs: |
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- 32 Optical Isolated with 12 VDC or 24 VDC excitation.
- Input indicator on each digital input driven by input current.
- Isolation Rating: 1500 Vrms (Point Input to Logic).
- Hardware Digital Filter: Programmable 2-15 ms debounce timer,
transition detection and interrupt capability.
- Accumulator: Any digital input can be configured as an Accumulator.
- Maximum Rate of Accumulator: 150 Hz.
- Types of point: Form A, Form C and BCD.
- SOE: Any Digital Input Point can be Configured as SOE with accuracy of
1 ms. Chatter Filter is available for preventing malfunctioning inputs
from filling up the SOE buffer.
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Operating Environment and Physical Dimension: |
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- Temperature Range: -40 to +85 degrees Celsius
- Humidity: < 95%, non-condensing
- 19.0 x 3.5 inches for 19" standard rack mount or panel mount.
Overview
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