I
NTRODUCTION
C
HAPTER
1
ALR-9900 Hardware Setup Guide
DOC.
CONTROL
#8102086-000
REV
A
6
I/O Port Screw Terminal Connector
(Phoenix 14-pin header)
Pin 1
V+
(5-24 VDC)
Pin 2
Output 0
(optically isolated; 500 mA max)
Pin 3
Output 1
"
Pin 4
Output 2
"
Pin 5
Output 3
"
Pin 6
Output 4
"
Pin 7
Output 5
"
Pin 8
Output 6
"
Pin 9
Output 7
"
Pin 10
Input 0
(optically isolated; 5-24 V)
Pin 11
Input 1
"
Pin 12
Input 2
"
Pin 13
Input 3
"
Pin 14
V-
I/O
P
ORT
S
CREW
T
ERMINAL
(F
EMALE
)
–
L
OOKING AT
R
EADER
Figure 2 - Input and Output Circuits
