AMX AXU-SPL4, Instruction Manual

Page: 9 / 20

Installation and Wiring
5
AXU-SPL4 Mini-LCD Panel
Input/Output connections
Connect up to two input/output (I/O) devices to the INPUT/OUTPUT four-pin connector as shown
in FIG. 5. A contact closure between GND and an I/O port is detected as a PUSH. When used for a
voltage input, the I/O port detects a low (0-1.5 VDC) as a PUSH, and a high signal (3.5-22.0 VDC)
as a RELEASE. When used for an output, each I/O port acts as a switch to GND and is rated at 200
mA @ 12 VDC.
!
PWR 12 VDC power output for I/O-type equipment
!
I/O 1-2 Two I/O ports
!
GND Common ground shared with I/O ports 1-2
Preparing/Connecting Captive Wires
1. Strip 0.25 inch of wire insulation off all wires.
2. Insert each wire into the appropriate opening on the connector according to the wiring
diagrams and connector types described in this section. Do not tighten the screws excessively;
doing so may strip the threads and damage the connector.
FIG. 5 (P3) INPUT/OUTPUT 4-pin connector
P3
PWR
I/O 2
I/O 1
GND