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29
I/O Sentinel
®
4 Installation and Operation Manual
SECTION TITLE
Functional Diagram
I/O
Sentinel
™
4
Web-enabled Four Logic/Status Input, Four Relay Output Module
131 State Street, Sedro-Woolley, WA 98284 • 360.854.9559 • Fax 866.783.1742
Visit us online at www.broadcasttools.com
Copyright © 1989-2009 by Broadcast Tools, Inc. All Rights Reserved.
+3.3VDC
+5VDC
Modification date: 02/26/10
7.5– 9.0VDC
Power Supply
PS
NOTE: May be paired to form a "four-channel bi-directional relay extension cord"
Web
Server and
Monitor/Control
CPU
Load
Defaults
10/100 BaseT NET/RJ-45
K1
K2
K3
K4
Relays
DRY normally open or
normally closed 30vdc
@ 1 Amp contacts. Each
may be configured for
on/off, timed pulsed or
reboot operation.
Optically-Isolated Inputs
DRY: Allows contact
closures, switch or open
collectors.
WET: Allows DC voltages
from 5 - 24vdc. Higher
voltages with an external
resistor.
+
Input 1
All I/O on Plug-in Euroblock
Screw Terminals
Link
+
Input 2
+
Input 3
+
Input 4
Activity
Pwr/HB
A
B
A
B
A
B
A
B