Keri Systems LC-508 Proximity Elevator Control - Manual (Page 4)

Proximity Elevator Control Panel
2305 Bering Drive 01941-001 Rev. B
San Jose, CA 95131 USA
(800) 260-5265 (408) 435-8400 FAX (408) 577-1792
Web: www.kerisys.com E-mail: [email protected]
Page 4 of 22
Quick S
tart Guide
LC-502P/LC-508P
3.7 Cable Requirements
• RS-232 Serial Cable
-
four conductor (for direct connect) or five conductor (for modem connection), shielded,
stranded AWG 24 wire (Belden 9534 or a heavier gauge)
- 50 foot maximum length (per RS-232 industry specification – greater lengths are not
recommended)
• RS-485 Network Cable
-
two conductor, shielded, twisted pair, stranded, AWG 24 wire (Belden 9501 or a larger
gauge)
- 16,000 foot total network length
- refer to the Network Wiring Application Note (P/N 01824-002) for specific network wiring
information
• Input Power
-
two conductor, stranded, AWG 18 wire (Belden 8461 or a heavier gauge)
- 200 foot maximum length
NOTE: On long power cable runs, the cable resistance causes a drop in voltage at the end of the
cable run. Be sure your power supply provides 12 VDC at the end of the cable run.
• Reader to Panel
-
six conductor, shielded, stranded AWG 24 wire (Belden 9536 or a heavier gauge)
• Output Connections
-
two conductor, stranded AWG 22 (Belden 9532 or a heavier gauge)
NOTE: The Floor Control Relay may require a heavier gauge of wire depending upon the current
demands of the elevator panel and the length of the wiring run.
NOTE: If plenum cable is required, please reference the Belden equivalent to the cable listed above.