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© Sealevel Systems, Inc.
SeaI/O | SL9049 11/2021
530 Series
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16 Optically Isolated Inputs/16 Open-collector Outputs
The SeaI/O-530 provides 16 optically isolated inputs and 16 open-collector outputs. Inputs provide a range from
5-30VDC. Inputs are grouped into four-bit segments. Each group shares a common for easy wiring via removable
3.5mm terminal blocks. Each open-collector output circuit includes a flyback diode for protection when
interfacing highly inductive loads, such as DC motors. Outputs are grouped into two eight-bit ports which share
high and low voltage inputs.
USE EXTREME CAUTION!
High voltages will be present on the SeaI/O family of products when high voltage is connected. Never
handle the printed circuit board when high voltage is connected. Never handle the printed circuit board
when high voltage signals are connected to the board.
Inputs
Type
16 non-polarized optically isolated inputs
Voltage Range
5-30VDC
Isolation
2500VAC RMS / 3500VDC
Input Resistance
6.2K Ohms in series
Response Time
4 microseconds
Outputs
Type
16 High-Current Open-collector Outputs
Isolation
2500VAC RMS / 3500VDC
Power
DC 60W max.
Contact Voltage
60VDC max.
Contact Current
Contact Current
1000mA max. (single output)
2000mA max. (all outputs per port)
Operating Temperature
-25°C to +85°C (-13°F to 185°F)
Humidity
10% to 90% RH (non-condensing)