INTRODUCTION 

DK-2831C is a vandal resistant weatherproof keypad. It has been designed for full feature stand alone access control applications. It is expandable to work with an optional decoder (DA-2800 or DA-2801) for high security split-decoded operation. It is also compatible with the auxiliary card reader (AR-2802) and the auxiliary keypad readers (AR-2806, AR-2807 and AR-2809) for upgrading a stand alone or split-decoded system to multi-station operation.
The keypad is ideally for door strike and alarm arm-disarm controls. It is also a programmable industrial timer (from 1 second to over 24 hours) for automatic operator system.

OUTPUT 2 – Transistor Open Collector, 100mA/24V Max

 FEATURES 

• Two Output Full Feature Digital Keypad for Door Lock and Equipment Controls

• 12-24V AC/DC Auto Adjusted Wide Operation Voltage Range

• Built-in Real-Time-Clock Controls The Start and Stop Times in Daily Operation

• Stand-alone, Split-decoded and Multi-station Tri-Tech Operations

• Compatible with The Auxiliary Reader, Auxiliary Keypad and Split-decoder for System Expansion Simply with Single Wire

• Connection of Their Common Data I/O Bus

• Accepts 125 Khz EM Card Operation Via Optional Auxiliary Card Reader

• Compatible with Fail-safe or Fail-secure Electric Door Lock

• 5A / 24VDC Contact Rating Form C Relay for Output 1 and Open Collector for Output 2

• Built-in Control Logic Circuit for High Security Dual Door Inter-lock System

• Timing Re-lock or Auto Re-lock for The Door After Entry Prevents “Tail-gate” Follower

• Door Forced Open Warning and Door Propped-up Warning

• Maximum 1,000 Users for Controlling Output 1 and 100 Users for Outputs 2

• Multi-task Super User Code for Inhibiting (Refuse Access), Overriding Door Lock (Keep Door Open); and Operating The Outputs

• at Any Time and under Any Condition for Safety

• Duress Code for Door Opening and at The Same Time Reporting The Event of Duress

• 50 Visitor Codes for Temporary Workers and Visitors, Which Expire after Use or The Programmable Time of 1-99 Hours

• Three Programming Options for System Safety Lock-up after Successive False Code Entry

• Outputs Are Congurable with 1-99999 Seconds Auto Reset Mode or Start / Stop Mode.

• Auto or Manual User Code Entry Mode for User Convenience And Security Enhancement

• Pacier Tone And Door Open Announcer Can Be OFF for Silent Environment

• Standby Flashing LED Indicator Can Be OFF for People Do Not Like Flashing LED at Night

• Four Egress Delay and Warning Options for User Convenience and Security Enhancement

• Built-in Tamper Switch with N.C. Dry Contact

• Vandal Resistant Weatherproof Keypad with Back-lit Metal Key Buttons

• Die-Cast Metal Faceplate Supplied with Flush Mount Plastic Back Box 

 SPECIFICATIONS 

• Operating Voltage:
  12V-24V AC/DC, Auto adjusting

• Operating Current:
  20mA (quiescent) to 70mA@12VDC
  10mA (quiescent) to 35mA@24VDC

• Operation Temperature:
  -20 C to +70 C

• Environmental Humidity:
  5-95% relative humidity non-condensing

• Working Environment & Ingress Protection:
  All weather, IP-66

• Number of Users:
  Output 1 – 1,000 (Codes) + 50 Duress Codes
  Output 2 – 100 (Codes) + 10 Duress Codes

• Number of Visitor Codes:
  50, programmable for one time or with time limit

• Timings for Code Entry:
  10 seconds waiting for next digit entry

• The Timers:
  Two 1-99,999 Seconds (Over 24 Hours possible) Independent Programmable Timers for O/P 1 & 2

• Egress Button:
  Programmable for Instant, Delay with Warning
  Momentary or Holding Contact for Exit Delay

• Input Sensing Terminals:
  a) Door position, b) Egress, c) O/P 1 inhibit

• Output Control Terminals:
  Transistor Open Collector 24VDC/100mA sink Max for the following outputs
  a) Duress, b) Output 2, c) Inter-lock

• Output Contact Ratings:
  Output Relay 1 – N.C. & N.O. dry contacts, 5A/24VDC Max.
  Output 2 – open collector, 24VDC/100mA sink Max.
  Tamper Switch – N.C. dry contact, 50mA/24VDC Max.

• Dimensions:
  120(H) X 80(W) X 50(D)mm

• Weight:
  460g net

• Housing:
  Zinc alloy die-casting faceplate with sealed plastic back box

 
Specifications are subject to change for modification without notice