Input and Output Connections
AC-225 Hardware Installation and User Guide
Page 17
4.
Input and Output Connections
This chapter describes the AC-225 access control panel's input and output
connections.
4.1
Input Types
There are four input types – Normally Open, Normally Closed, Normally
Open Supervised 1 or 2 resistors, and Normally Closed Supervised 1 or 2
resistors.
Inputs IN1, IN1A, IN2 and IN2A may be configured individually as either
supervised or non-supervised inputs. Configure each input separately via
the AxTrax AS-525 system.
Non-supervised inputs have two states:
•
Normal State
•
Abnormal State
Supervised inputs have three states:
•
Normal State
•
Abnormal State
•
Trouble State.
The Trouble state is caused by either tampering with the input circuit or by
faulty hardware installation. Once configured as supervised input, add a
resistor of 2.2K, of 8.2K or both on the input circuit. See the following
diagrams.