Extron electronics IPL EXP I/O Series Setup Manual page 9

Control, Unidirectional — Relays
All relays
are
normally
open.
Rear Panels
1 2 12V24V G 3 4 12V24V G
12 VDC / 24 VDC
or
19W MAX TOTAL
5 6 12V24V G 7 8 12V24V G
+V OUT / DIGITAL I/O
RELAYS
To Room
Control
Equipment
Control, Unidirectional — Digital I/O
Rear Panel, IPL EXP RIO8
1 2 12V24V G 3 4 12V24V G
12 VDC / 24 VDC
19W MAX TOTAL
5 6 12V24V G 7 8 12V24V G
+V OUT / DIGITAL I/O
• Connect devices for contact control.
• Do not exceed a total of 24 V at 1 A for each port.
2 3
1
IR/S RELAYS
1 2 C
S G +V +S -S
To Room
Common
Control
Relay 2
Equipment
Relay 1
Rear Panel,
IPL EXP 200
4
1 2 3 G
DIGITAL I/O
eBUS (PWR 3W)
+V +S -S G
Heat
Shrink
Over
Shield
Wires
G
24V
Switch,
12V
Sensor
2
1
Relays
Normally
Closed
Open
1 2 C 1 2 C
Digital I/O (digital input/output)
Con gure each port as a digital input or output,
with or without +5 VDC pull-up.
Use these ports to:
• Monitor or trigger events and functions (toggle relays,
issue commands, send e-mail), once con gured.
• Power LEDs or other devices that accept a TTL
signal.
Ground
Wire
Nut
IPL EXP RIO8
Front Panel
IPL
RELAYS
5
1
6
2
7
3
8
4
Relay LEDs
Light when the corresponding relays
are activated (tied to GND, closed).
Front Panel
I/O
1 5
2 6
3 7
4 8
Share the same ground among
I/O connections.
Device 4
(Switches, sensors,
Device 3
LEDs, relays, or
Device 2
similar items)
Device 1
Digital I/O
LEDs
Light when the
corresponding
ports are active.
9