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PhySicAl

Size 

300 x 250 x 150 mm 

 

(11.8 x 9.84 x 5.9in)

Weight 

4.3Kg

Power

  - Voltage 

100-240VAC, 50/60Hz

 

Current 0.6A (excluding locks and heads)  

 

Consumption

Environmental

  - Temperature 

-10º to 40ºC (14º to 104ºF)

  - Humidity 

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 

RS485 multidrop cable runs using copper  

 

wire with maximum length of 1.2km  

 

without repeater 

  - Connection 

2 part screw terminals

PRodUcT codES

DIU/700/000   

DIU 210 (Complete with PSU Backplane  

 

and Enclosure.

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: [email protected]

www.cemsys.com

PRodUcT highlighTS

CEM/B/045

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.

TEchnicAl SPEciFicATionS

interfaces

The DIU 210 provides direct interfaces to the following devices:

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

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 

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.

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.

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.

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