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PRO42R1 INSTALLATION AND SPECIFICATIONS Install Guide...
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All product and brand names are the service marks, trademarks, registered trademarks, or registered service marks of their respective owners. Printed in the United States of America. Honeywell reserves the right to change any information in this document at any time without prior notice.
SPECIFICATION General The PRO42R1 reader interface provides a solution to the OEM system integrator for interfacing to a TTL (D1/D0, Clock/Data), F/2F or RS-485 device, and door hardware. It also provides a tri-stated LED control and buzzer control. Two Form-C contact relay outputs may be used for strike control or alarm signaling.
PRO42R1 Hardware The PRO42R1 requires filtered 12 to 24 Vdc ± 10% for power. Two inputs are typi- cally used for door contact and exit push button monitoring. End of line resistors are required input supervision, shown below. Note: The input power is passed through to the reader terminal strip and is available for powering a reader.
In the 2-wire LED mode the buzzer output is used to drive the sec- ond LED. Reader port configuration is set via the host software. Do not terminate any RS-485 device connected to the reader port. Caution: : D1 to LED on supervised F/2f readers PRO42R1 Installation Guide, Document 800-26500...
Door Strike Relay Wiring The PRO42R1 has two Form-C contact relays for controlling a door strike or other devices. See specifications section for the relay contact ratings. Load switching can cause abnormal contact wear and premature contact failure. Switching of inductive loads (strike) also causes EMI (electromagnetic interference) which may interfere with normal operation of other equipment.
Communication Wiring The PRO42R1 communicates to a Honeywell Security intelligent controller (EP2500 for example) via a half-duplex multi-drop 2-wire RS-485 interface. The total cable length is limited to 4,000 feet (1,219 meters). Shielded cable of 24 AWG with characteristic impedance of 120 ohm is specified for the 2- wire RS-485 inter- face.
Address 17 OFF OFF OFF Address 18 OFF OFF Address 19 OFF ON OFF OFF Address 20 OFF ON OFF ON Address 21 OFF ON OFF Address 22 OFF ON Address 23 OFF OFF Address 24 PRO42R1 Installation Guide, Document 800-26500...
The D1 LED is turned ON at the beginning of initialization Run time: After a successful initialization, the LEDs have the following meanings D1 LED: Heartbeat and On-Line Status Off-line: 1 second rate, 20% ON, 80% OFF PRO42R1 Installation Guide, Document 800-26500...
1 twisted pair per input, 30 ohms maximum Outputs: As required for the load Reader data (TTL): 6-conductor, 18 AWG, 500 ft. (150 m) maximum Reader data (F/2F): 4-conductor, 18 AWG, 500 ft. (150 m) maximum PRO42R1 Installation Guide, Document 800-26500...
5 to 95 % RHNC Warranty Honeywell Security warrants the product is free from defects in material and work- manship under normal use and service with proper maintenance for one year from the date of factory shipment. Honeywell Security assumes no responsibility for products damaged by improper handling or installation.
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Honeywell Integrated Security, 135 W. Forest Hill Avenue Oak Creek, WI 53154 United States 800-323-4576 414-766-1798 Fax www.security.honeywell.com ™ Document 800-26500 11/2020...