Honeywell PW7K1R1E - Page 21

PW7K1R1E Wiring and Setup
Specifications
PW7K1R1E Configuration and Installation Guide, Document 800-26498 21
RS-485 Mode • 9600 bps
• Asynchronous
• Half-duplex
•1 start bit
• 8 data bits
• 1 stop bit
• Maximum cable length 4000' (1,200m)
Cable requirements
Communication • Ethernet
• Category 5 minimum
Power • 18 AWG
• 1 twisted pair
Ethernet • CAT-5 (minimum)
RS-485 • 24AWG
• 120-ohm impedance
• 4,000ft (1,220 m) maximum
• Twisted pair(s) with an overall shield
18AWG
Alarm Input • 1 twisted pair per input
• 30-ohm maximum loop resistance
Reader data (TTL) • 18AWG
• 6 conductors
• 500-foot (150 m) maximum
Reader data (RS-
485)
•24AWG
• 120-ohm impedance
• Twisted pair with shield
• 4000-foot (1,219 m) maximum
Environmental
Temperature • -55°C to +85°C, storage
• 0°C to +70°C, operational