28sa Specifications

SPECIFICATIONS

All dimensions in drawings are indicated in inches
Click on above images for enhanced view

PHYSICAL		Surface Housing
	Depth	2.25 in (5.72 cm)
	Width	4.00 in (10.16 cm)
	Height	4.60 in (11.70 cm)
	Weight	20 oz (0.57 kg)
	Material	Lexan^® (Meets UL 94)
	Color	Beige

POWER REQUIREMENTS

Without Remote Reader

12 to 24 VAC or DC,125 mA

With Remote Reader

(SK-029W)

12-16 VAC or DC, 250 mA

OUTPUTS

Latch & Alarm Shunt

DPDT Form-C contact, 3A,
up to 277 VAC or 30 VDC

Tamper

Attach to mounting plate - SPDT contact, 115 VAC, 2A max.

(sold separately)

INPUTS

Auxiliary 1 (Door Monitor)*

Requires SPST contact closure

Auxiliary 2 (Disabled)*

Requires SPST contact closure

Auxiliary 3 (Disabled)*

Requires SPST contact closure
*Factory Default - can be changed via PC

COMMUNICATION

RS-232 – Modem, Serial Printer, SK-LAN adapter
RS-485 - Use Network Cable (included)
Remote Reader - 31 bit or 26 bit Wiegand input

CABLE REQUIRED

Power/REX/Latch/RS-232 (5 cond. shielded)
RS-485 (single twisted pair)
Inputs / Outputs – 2-cond. 22 AWG

ENVIRONMENT

Ambient Temperature

-40^{^o} F to 158^{^o} F (-40^{^o} C to 70^{^o} C)

Humidity

0% to 100% relative humidity (non condensing)

OPERATIONAL

Memory

Non-Volatile (Programming retained, even if power is lost)

Card Capacity

65,000 sequentially numbered cards

Limited Use Cards

65,500 Cards, 5000 transactions, 15 Time Zones
32 holidays, automatic Daylight Saving Time.

Facility Code

3 (card ID numbers must be unique) (Max. # of cards 65,000)

Latch/Alarm Shunt Timer

Latch/Alarm Shunt Timer Programmable from
1/4 to 30 seconds

Antipassback

Real or Timed (1 to 30 minutes) hard or soft

Programming

PD-26 Programming Deck, SK-NET™ software

Operating Modes

Standalone or Networked using RS485 Cable
(included) and SK-NET™ software

This Product Complies with UL 294 Standards, CD (European Standards), and with Part 15 of Class B FCC Rules.

7072 (FM & MH removed)

This Document in PDF Format

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