User's Manual

INTRODUCTION CHAPTER 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
PORT SCREW TERMINAL (FEMALE) – LOOKING AT READER
Figure 2 - Input and Output Circuits