UTC Fire and Security WIU-4 User manual

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© 2011 UTC Fire & Security. All rights reserved.
UTC Fire & Security, 9 Farm Springs Road,
Farmington, CT 06034-4065, USA
460487001J, September 2011
Wiegand Interface Unit Four-State (WIU-4)
Installation Manual

Copyright © 2011 UTC Fire & Security. All Rights Reserved.
This document may not be copied in whole or in part or otherwise repro-
duced without prior written consent from UTC Fire & Security, except where
specifically permitted under US and international copyright law.
Disclaimer The information in this document is subject to change without notice. UTC
Fire & Security assumes no responsibility for inaccuracies or omissions and
specifically disclaims any liabilities, losses, or risks, personal or otherwise,
incurred as a consequence, directly or indirectly, of the use or application of
any of the contents of this document. For the latest documentation, contact
your local supplier or visit us online at www.utcfireandsecurity.com.
This publication may contain examples of screen captures and reports used
in daily operations. Examples may include fictitious names of individuals
and companies. Any similarity to names and addresses of actual busi-
nesses or persons is entirely coincidental.
Trademarks
and patents The Wiegand Interface Unit Four-State (WIU-4) name and logo are trade- marks of UTC Fire & Security.
Other trade names used in this document may be trademarks or registered
trademarks of the manufacturers or vendors of the respective products.
Intended use Use this product only for the purpose it was designed for; refer to the data
sheet and user documentation for details. For the latest product information,
contact your local supplier or visit us online at www.utcfireandsecurity.com.
FCC
compliance This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC Rules. These limits
are designed to provide reasonable protection against harmful interference
when the equipment is operated in a commercial environment. This equip-
ment generates, uses, and can radiate radio frequency energy and, if not
installed and used in accordance with the instruction manual, may cause
harmful interference to radio communications.
You are cautioned that any changes or modifications not expressly
approved by the party responsible for compliance could void the user's
authority to operate the equipment.
Regulatory
2002/96/EC (WEEE directive): Products marked with this symbol cannot be
disposed of as unsorted municipal waste in the European Union. For proper
recycling, return this product to your local supplier upon the purchase of
equivalent new equipment, or dispose of it at designated collection points.
For more information see: www.recyclethis.info.
Manufacturer UTC Fire & Security
HQ and regulatory responsibility:UTC Fire &Security, 9 Farm Springs Road,
Farmington, CT 06034-4065, USA
Contact
information For contact information see our Web site: www.utcfireandsecurity.com

i
Contents
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Radio interference. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Electrostatic discharge (ESD) precaution. . . . . . . . . . . . . . . . .2
Product features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
System requirements. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Technical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Parts list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Installation overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Mounting the WIU-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Configuring the WIU-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
J3: Door and REX switch connector. . . . . . . . . . . . . . . . . . . .10
J4: Door and REX supervision connector. . . . . . . . . . . . . . . .10
J5: Reserved. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
J6: Reader interface connector. . . . . . . . . . . . . . . . . . . . . . . .11
J7: Tamper switch connector . . . . . . . . . . . . . . . . . . . . . . . . .12
J8: Micro interface connector . . . . . . . . . . . . . . . . . . . . . . . . .12
J9: Reserved. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
J10: Door strike relay connectors . . . . . . . . . . . . . . . . . . . . . .13
LED indicators. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
Connecting the WIU-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
Wiring diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
Testing the WIU-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
Troubleshooting the WIU-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
Regulatory approvals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
UL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
CE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19

Wiegand Interfact Unit Four State (WIU-4)
Installation Manual
ii
Figures
Figure 1. Mounting instructions .................................................7
Figure 2. WIU-4 connectors and jumpers .................................9
Figure 3. Sample WIU-4 configuration ....................................14
Figure 4. WIU-4 to Micro/5 8RP board ...................................15
Figure 5. WIU-4 to Micro/PX-2000, PXN-2000, or
M2000PXNplus interface .........................................16

Introduction 1
Introduction
The Wiegand Interface Unit-Four State (WIU-4) board
features a Wiegand to F/2F data converter, which can
accommodate both conventional and proprietary Wiegand
reader protocols, and includes an 8 Amp relay for door
strike control (entrance/exit) activity. It provides the
communications interface that enables support of up to 16
Wiegand-output readers.
When combined with most conventional Proximity, Mifare®,
and ISO-15693 Wiegand-output readers, the WIU-4 reports
immediate alarm notification of short circuit, cut line, open
circuit, or closed circuit conditions to the access control
system.

Wiegand Interface Unit Four State (WIU-4)
Installation Manual
2
Safety
Radio interference
Electrostatic discharge (ESD) precaution
WARNING: This is an FCC Class A product. In a domestic
environment, this product may cause radio
interference, in which case, the user may be
required to take adequate measures.
WARNING: Circuit board components are vulnerable to
damage by electrostatic discharge. ESD can
cause immediate or subtle damage to sensitive
electronic parts. An electrostatic charge can
build up on the human body and then discharge
when you touch a board. A discharge can be
produced when walking across a carpet and
touching a board, for example. Before handling
any board, make sure you dissipate your body’s
charge by touching ground. This discharges any
static electricity build-up.

Product features 3
Product features
The WIU-4 provides the following:
• Conversion of multiple Wiegand formats into
supervised F/2F format.
• Junction box capabilities with removable connectors
for ease of wiring.
• Built-in door strike relay with surge protecting
diodes.
• Red LED, green LED, and beeper control outputs.
• Supports reader tamper and external tamper inputs.
• Self-resetting fuse protection on all power and
signal outputs.
• Options for supervised or unsupervised Door DI and
request-to-exit (REX) DI inputs.
• Built-in surge protection circuitry for data lines.
• Four built-in LEDs to help with installation and
troubleshooting.
• Supports Wiegand formats up to 64 bits.
• Supports most 8 bit keypad reader output formats.
Note: Do not use the WIU-4 with a 2SRP supervised reader
processor board/microcontroller configuration.

Wiegand Interface Unit Four State (WIU-4)
Installation Manual
4
System requirements
For UL compliant installation notes, refer to “UL Listed Installations”
on page 18.
Host software • Secure Perfect®Edition 3.0 or later
• Picture Perfect™1.7 or later
Microcontrollers • Micro/5-PX with 2RP or 8RP
• Micro/5-PXN with 2RP or 8RP
• M5PXNplus
• Micro/PX-2000
• Micro/PXN-2000
• M2000PXNplus
• M3000PXNplus
Reader support • Wiegand data output up to 64 bits
• Most 8 bit keypad reader output formats
Wiegand data
formats •26-bit
•32-bit
• 35-bit Corporate 1000
•37-bit
• 40-bit formats
• Custom Wiegand formats up to 64 bits

Technical specifications 5
Technical specifications
For UL compliant installation notes, refer to “UL” on page 18.
Operating temp. range -31oF to +150oF (-35oC to +66oC)
Relative humidity 5% to 95% (non-condensing)
Physical dimensions
(HxWxD) 3.1" x 2.5" x 0.644" (78.74 mm x 63.50 mm x 16.35 mm)
Index of protection IP00
Input voltage range 9 to 16 VDC
Power consumption 40 mA @ 12 VDC (no reader attached)
Cable specifications*
* UTC Fire & Security recommends using shielded cable for all installations.
Belden 8725 or equivalent, 20 AWG
minimum
Maximum cabling
distance
WIU-4 to micro:**
WIU-4 to reader:***
** WIU-4 to micro: The maximum cabling distance of 1,000 ft (304.8 meters) is influenced by wire
gauge, reader power requirements, and the 12 VDC level from the microcontroller.
*** WIU-4 to reader: The maximum cabling distance of 250 ft (76.20 meters) is influenced by wire
gauge, reader power requirements, minimum input voltage at the reader when using the 12 VDC
from the WIU-4 (originally from the micro), and the cabling between the WIU-4 and micro.
1000 ft (304.8 m) @ 12 VDC with 20 AWG
cable
250 ft (76.2 m) @ 12 VDC with 20 AWG cable
Note: Although the WIU4 can be installed up
to 250 ft from the door, it is recommended
that it be installed above the ceiling, close to
the door to minimize electrical interference.
Door strike relay****
**** The life of the relay decreases as the current switched by the contacts is increased. Use low
current door strikes for high traffic doors to maximize the relay life. Use an external relay for high
current applications.
8.0 A @ 30 VDC maximum
Agency approvals FCC Class A part 15
CE
UL 294

Wiegand Interface Unit Four State (WIU-4)
Installation Manual
6
Parts list
•WIU-4
• Mounting hardware kit
• Installation manual
Refer to the UTC Fire & Security product catalog for part
numbers and ordering information.
Installation overview
The following is the general sequence of steps to follow
when installing the Wiegand Interface Unit-4. Each step is
explained in further detail in the sections that follow:
1. Mount the WIU-4.
Refer to “Mounting the WIU-4” on page 7.
Note: The WIU-4 must be mounted indoors, in a protective enclosure
or standard 2-gang electrical box (Installer supplied) as shown
in Figure 1.
2. Configure the WIU-4.
Refer to “Configuring the WIU-4” on page 8.
3. Connect the WIU-4.
Refer to “Connecting the WIU-4” on page 14.
4. Test the WIU-4.
Refer to “Testing the WIU-4” on page 17.

Mounting the WIU-4 7
Mounting the WIU-4
Figure 1. Mounting instructions
1. To mount the WIU-4 board in the 2 gang electrical
box, remove the electrical box cover and clean it
with the alcohol wipes provided in the mounting
hardware kit.
2. Apply the four standoffs, provided in the mounting
hardware kit, to the four corners of the WIU-4 board,
as shown in Figure 1.
3. Remove the adhesive liner on the standoffs and
attach the WIU-4 board to the electrical box cover,
making sure the WIU-4 board does not interfere
with or touch the sides of the electrical box.

Wiegand Interface Unit Four State (WIU-4)
Installation Manual
8
Configuring the WIU-4
The WIU-4 has the following connectors and jumpers:
•J3: Door and REX switch connector
•J4: Four state door supervision jumper (Enabled)
•J5: Reserved. (A jumper must be installed on pins 1
and 2)
•J6: Reader interface connector
•J7: Tamper switch connector
•J8: Micro interface connector
•J9: Reserved
•J10: Door strike relay connector

Configuring the WIU-4 9
Figure 2. WIU-4 connectors and jumpers

Wiegand Interface Unit Four State (WIU-4)
Installation Manual
10
J3: Door and REX switch connector
The 6-pin connector, J3, is the door and REX switch
interface.
If the door or REX switch is set up as supervised (1K
resistor in series with switch between high and return pins,
1K in parallel with switch), the WIU-4 treats both the door
and REX switch as supervised and reports four states: cut
line, short circuit, closed circuit, and open circuit.
Note: To enable four-state supervision for the door and the REX,
install a jumper at position J4. Both points must be terminated
with resistors as shown in Figure 4 on page 15.
If supervision is required for only one (the door or the REX),
then also insert a 1K resistor across J3, pins 3 and 4 or pins 5
and 6, as applicable.
If the door or REX is not set as supervised, the adapter
reports two states: open when there is no connection
between the high and return pins, or closed when a short
exists between high and return pins.
J4: Door and REX supervision connector
The 2-pin connector, J4, is the door and REX supervision
connector. By default, a jumper is installed on pins 1 and 2
to enable 4-state supervision. Remove the jumper to
disable 4-state supervision and enable 2-state supervision.
Table 1. J3 Door and REX switch connector
PIN Description
1 Power 12 VDC fused power, 250 mA maximum
2 Ground
3 Door (high) 5 VDC output
4 Door (return) 0-5 VDC input
5 REX (high) 5 VDC output
6 REX (return) 0-5 VDC input

Configuring the WIU-4 11
J5: Reserved
The 3-pin connector, J5, is reserved. A jumper must be
installed across pins 1 and 2.
J6: Reader interface connector
The 10-pin connector, J6, is the reader interface connector.
If a tamper switch is desired, connect a single-pole, single-
throw (SPST), normally-closed push button switch (installer
supplied) to connector J6, pins 8 and 9 on the WIU-4. When
used with a Micro/5-PX, Micro/5-PXN, M5PXNplus, Micro/
PX-2000, Micro/PXN-2000, M2000PXNplus, or
M3000PXNplus, the WIU-4 sends a supervised reader
alarm message.
Table 2. J6 Reader interface connector
PIN Description
1*
* Use pin 1 or pin 10 for reader power, not both.
Power 12 VDC fused power to reader, 250 mA maximum
2Ground
3 Wiegand DATA 0, normally at 5 VDC
4 Wiegand DATA 1, normally at 5 VDC
5 Green LED switches to ground during door unlock time
6 Red LED switches to ground to activate the red LED.
7 Signal switches to ground to activate the beeper
8**
** If the tamper feature is not used, a jumper must be installed across pins 8 and 9.
Tamper Select
0 VDC = no tamper
open = tamper
9** Tamper Common (ground output)
10* Power 5 VDC non-fused power to reader

Wiegand Interface Unit Four State (WIU-4)
Installation Manual
12
J7: Tamper switch connector
The 2-pin connector, J7, can be used to connect a tamper
switch to protect the enclosure in which the WIU-4 is
mounted. To activate this feature, connect a single-pole,
single-throw (SPST), normally-open push button switch
(installer supplied) to connector J7 on the WIU-4 and install
the switch in the desired position. When used with a Micro/
5-PX, Micro/5-PXN, Micro/PX-2000, or Micro/PXN-2000,
the WIU-4 sends a tamper alarm message.
By default, a jumper is installed across these pins to disable
the external tamper feature. Remove the jumper to enable
this feature.
Note: If the external tamper feature is not used, a jumper must be
installed across these two pins. Otherwise, the WIU-4 will report
a tamper condition to the microcontroller.
J8: Micro interface connector
The 4-pin connector, J8, is the Micro interface connector.
Table 3. J7 Tamper switch connector
PIN Description
1 Switch contact (Source)
2 Switch contact (Return)
Table 4. J8 Micro interface connector
PIN Description
1 Power 12 VDC (power for WIU-4)
2Ground
3 Door DO
4 Reader F/2F data

Configuring the WIU-4 13
J9: Reserved
The 2-pin connector, J9, is reserved.
J10: Door strike relay connectors
The 5-pin connector, J10, is the door strike relay
connection.
LED indicators
The four green LEDs on the board provide visual indication
of the system interfaces.
Refer to “Indicators” on page 17 for LED status indicators and
definitions
Table 5. J10 Door strike relay connector
PIN Description
1 Relay power (Source)
2 Relay power (Return)
3 Normally closed (NC) contact
4 Not used
5 Normally open (NO) contact
Table 6. LED indicators
LED Description
D1 DI monitor LED
D2 F/2F data LED
D3 Door DO LED
D20 Power LED

Wiegand Interface Unit Four State (WIU-4)
Installation Manual
14
Connecting the WIU-4
Connect the WIU-4 between the microcontroller and access
control reader as indicated in Figure 3.
Figure 3. Sample WIU-4 configuration
WARNING: It is important to ensure all connections are
made prior to applying power.

Connecting the WIU-4 15
Wiring diagrams
Figure 4. WIU-4 to Micro/5 8RP board

Wiegand Interface Unit Four State (WIU-4)
Installation Manual
16
Figure 5. WIU-4 to Micro/PX-2000, PXN-2000, or M2000PXNplus interface