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3
.DS-32 RTU Digital Output Expansion Board
Overview
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Power Requirement and On-Board Power Supplies: |
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- 1 isolated unregulated 12 VDC (1 Amp each) or 24 VDC (1/2 Amp each).
- On-Board Power Supplies: Switching mode, +5 VDC for digital
electronics.
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System Status Indicators: |
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- Control / Integrity check 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 Outputs: |
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- 32 relay outputs with output indicator on each digital output.
- Control Output Configurations: Isolated Discrete control output
relays, Trip/Close, Raise/Lower, Set/Reset, Pattern Controls, Relay fail
to OFF, Relay fail to last commanded position.
- Control Security: Single component failure protection, Master
Trip/Close relays, relay driver input status check back for point
selection confirmation, Double point select-before-operate.
- Remote/Local Switch from main board to enable/disable controls.
- Either a Malfunction of the system (detected by the watchdog), or the
failure of a point selection confirmation shuts down the control module.
- Control Functions: ON/OFF, Timed ON/OFF (Pulse Duration of 1 ms
resolution), Variable duty cycle pulse output with variable repetition
rate (Pulse Train of 1 to 254 or continuous, 1 ms resolution), Pattern
controls (a group of contiguous outputs).
- Contact Rating: 1 Amp at 110 VDC.
- 2 sets of relay output DB37 sockets for ease of interposing relay
connections.
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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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