Connection Diagram; Interface - Honeywell proX1 Installation And Operating Instructions Manual

Mounting and connection instructions for readers with scrambling keypad
5.

Connection diagram

5.1

Interface

The reader is equipped with an bidirectional
The reader can be located at a distance of up to 1200 meters. As a connection cable Cat 5 is
recommended.
If the reader is the last node on the RS-485 module bus, there must be a distributor with a 120
terminating resistance (from A to B) installed before the reader
between J1 and J2 (120
Refer to the description of the access control unit for additional information.
ST9
Alarm contact
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terminating resistance).
DS1
1 - 5 reader address 0 - 31
6 - 8 not assigned
ST1 (output - not used
here)
1+2: Electrical ground
3: Ub 10 V - 30 V DC
4: I2C SCL
5: I2C SDA
RS-485 interface with module bus protocol (ACS-8, IK3).
Jumper bus termination
J1-J2 bridged: 120
J2-J3 bridged: switched off
or the jumper J1 must be bridged
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ST3 (input)
1: no function
2: no function
3: B (RS-485), D*
4: A (RS-485), D
5: internally assigned
6: -Ub (ground for power
supply + RS-485 bus)
7: +Ub (10 V - 30 V DC)
13
³
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