Tyco Door Interface Unit Diu 210 Users Manual

DIU 210 to the manual 1ab7b428-5104-4748-bcae-e87504453c7f

2015-02-03

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DIU 210

Door Interface Unit

FEATURES

OVERVIEW

•	 Door Interface Electronics
held on one board

The Door Interface Unit (DIU 210) is designed primarily to provide power to a door
lock, as well as local power to a CEM reader when a high level of security is required.
It has onboard inputs which can be used to monitor conditions such as a fire alarm or
activated Break-glass condition.
The DIU 210 improves door security, by allowing the installer to locate lock controls
on the secure side of a door, with an intelligent CEM reader on the unsecured side. The
DIU 210 communicates with an intelligent CEM reader over a single pair RS485 cable.
Upon a valid swipe at the card reader, the reader will instruct the DIU (over the RS485
communications channel) to activate the appropriate output to release the lock using a
coded data signal (i.e. coded lock).
As an added benefit, the DIU 210 monitors the status of all standard door monitoring
inputs; inputs on an intelligent CEM reader are free for use as general purpose inputs
The DIU 210 is supplied in a steel enclosure complete with power supply backplane and
an output for an additional door holder.

•	 Provides ‘coded lock’ serial
interface between door
hardware and card reader
•	 On site selectable for 12V or
24V lock output
•	 Fire alarm and break glass
inputs for emergency door
release
•	 Designed for ease of
installation and maintenance
using 2 part connectors
throughout
•	 Compliant with EN55022
(emissions) and EN55024
(access control immunity)
•	 Backup battery connection for
emergency power

DIU 210

www.cemsys.com

1.	
2.	
3.	
4.	
5.	
	
6.	
7.	
8.	
9.	

DIU Unit Enclosure
CEM Reader
Sounder
Break Glass Unit
REX/ Exit Reader or
Secure side push button
Door Holder
Door Lock
Lock Sense
Door Position sensor

CEM/B/045

Product Highlights
Interfaces
The DIU 210 provides direct interfaces to the following devices:
•	
•	
•	
•	
•	
•	

can be sent directly to the door controller or to the host, via
the card reader, for central alarm notification.
Board Protection
The DIU 210 has been designed to meet the UL294 standard
providing resistance to power supply tamper, limiting the
current to a reader so that shorting together the 12 Volt
terminals prevents the lock from opening.

CEM Card Reader
Electric Door Lock
Fire Alarm System
Break Glass Unit
Exit Push Button
Inputs from alarm devices

Reader Inputs
The DIU 210 can also monitor the status of all the door
furniture inputs, freeing up the inputs on the intelligent CEM
reader for general purpose input monitoring.

Up to 8 inputs can be wired from alarm/status monitoring
devices directly to the DIU 210. These devices are used to
monitor door sensors, DIU tamper and battery alarms and fire/
break glass emergency conditions.
If an input from the fire alarm system or break glass unit
changes state, the power to the door lock is automatically
dropped; this hardware-controlled facility ensures that the door
opens in an emergency situation. Details of alarm conditions

PSU Backplane Board and Enclosure
The DIU 210 is supplied with a steel enclosure and backplane
board providing a mains input PSU, battery charging
capabilities and door holder connections.

TECHNICAL SPECIFICATIONS
Physical

	

Size	
	

300 x 250 x 150 mm
(11.8 x 9.84 x 5.9in)

Weight	
Power
- Voltage	
	
	

4.3Kg
100-240VAC, 50/60Hz
Current 0.6A (excluding locks and heads) 	
Consumption

Environmental
  - Temperature	
- Humidity	

-10º to 40ºC (14º to 104ºF)
95% non condensing

LED Indicators	
	
	

+12 Volts OK, Lock supply OK, Lock Status, 	
Watchdog, Fault, Battery Low, RS485 Rx 	
and TX.

Functionality
Inputs	
	
	
	
	
	
	
	

* Door Position
* Lock Status
* Exit Push Button
* General Purpose
Break Glass Sense
Fire Alarm Sense
Power Fail
Tamper

	
	
	

Battery Low (reported internally)
Dedicated Power Fail Input
* = 4 state tamper protected inputs

Outputs	
	
	
	

Three 12V or 24V open collector outputs 	
limited to 1.5A
(Door Lock, Door Holder and External 	
Sounder)

Reader Output	

12V, limited to 800mA

Memory	

32kB Flash memory	

Communication Interface
To Card Reader	
	
	
- Connection	

RS485 multidrop cable runs using copper 	
wire with maximum length of 1.2km 	
without repeater	
2 part screw terminals

Product Codes
DIU/700/000  	
	

DIU 210 (Complete with PSU Backplane 	
and Enclosure.

Product specifications and availability is subject to change without notice.  Certain product names mentioned herein may be trade names
and/or registered trademarks of their companies.
CEM Systems Ltd Unit 4 Ravenhill Business Park Ravenhill Road Belfast BT6 8AW Northern Ireland
Tel: +44 (0)28 9045 6767  Fax: +44 (0)28 9045 4535  email: cem.sales@tycoint.com

www.cemsys.com



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