Manual

SeaDAC Power Requirements

Sealevel SeaDAC modules are powered by the USB host interface and require 5VDC

@ 500mA to be available on the USB port. Most computers and powered USB hubs

are capable of meeting this requirement, while passive USB hubs and some laptops

running on batteries may not. Check the product manual that shipped with your

system or hub if you are uncertain. You can also contact Sealevel technical support

for assistance.

The maximum power requirements for each SeaDAC device are shown below.

Item# Description mA

8221 16 Isolated Inputs / 16 Reed Relay Outputs 340

8222 16 Isolated Inputs / 8 Form C Relay Outputs 460

8223 32 Optically Isolated Inputs 140

8224 32 Reed Relay Outputs 480

8225

16 Form C Relay Outputs

820*

8227 8 Isolated Inputs, 8 Outputs, 2 D/A, 16 A/D 360

8232 8 Isolated Inputs, 8 High-Current Form C Outputs 480

NOTE:

The SeaDAC REL-16C (Item# 8225) includes a 5VDC @ 2.4A

wall-mount power supply (Item# TR101). External power is

required with this module due to the power requirements of the

sixteen Form C relays.

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SeaDAC User Manual