Johnson Controls S300 Series Assembly instructions

August, 2007
24-10239-472 Revision A
S300
Series
S300-DIN-RDR2SA
Hardware Installation Manual

Copyright 2007
Johnson Controls, Inc.
All Rights Reserved
[phone]
www.johnsoncontrols.com
No part of this document may be reproduced without the prior permission of Johnson Controls, Inc.
These instructions are supplemental. Often they are supplemental to other manufacturer’s
documentation. Never discard other manufacturer’s documentation. Publications from Johnson
Controls, Inc. are not intended to duplicate nor replace other manufacturer’s documentation.

If this document is translated from the original English version by Johnson Controls, Inc., all reasonable endeavors will be used to
ensure the accuracy of translation. Johnson Controls, Inc. shall not be liable for any translation errors contained herein or for
incidental or consequential damages in connection with the furnishing or use of this translated material.
Due to continuous development of our products, the information in this document is subject to change without notice. Johnson
Controls, Inc. shall not be liable for errors contained herein or for incidental or consequential damages in connection with
furnishing or use of this material. Contents of this publication may be preliminary and/or may be changed at any time without any
obligation to notify anyone of such revision or change, and shall not be regarded as a warranty.
Acknowledgment
Company and product names published in this manual are trademarks or registered trademarks of their respective owners.
Federal Communications Commissions Notice
This equipment, S300-DIN-RDR2S-A, has been tested and found to comply with the limits for a Class B digital device, pursuant
to Part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference in a residential
installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance
with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference
will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which
can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of
the following measures:
•Reorient or relocate the receiving antenna.
•Increase the separation between the equipment and receiver.
•Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
•Consult the dealer or an experienced radio/TV technician for help.
The user is cautioned that changes and modifications made to the equipment without approval of the manufacturer could void the
user's authority to operate this equipment.
Canadian Notice
This Class B digital apparatus, S300-DIN-RDR2S-A, complies with Canadian ICES-003.
Cet appareil numerique de la classe B, S300-DIN-RDR2S-A, est conforme à la norme NMB-003 du Canada.
If this document is translated from the original English version by Johnson Controls, Inc., all reasonable endeavors will be used to
ensure the accuracy of translation. Johnson Controls, Inc. shall not be liable for any translation errors contained herein or for
incidental or consequential damages in connection with the furnishing or use of this translated material.
Due to continuous development of our products, the information in this document is subject to change without notice. Johnson
Controls, Inc. shall not be liable for errors contained herein, or for incidental or consequential damages in connection with the
furnishing or use of this material. Contents of this publication may be preliminary and/or may be changed at any time without any
obligation to notify anyone of such revision or change, and shall not be regarded as a warranty.
Declaration of Conformity
This product complies with the requirements of the European Council Electromagnetic Compatibility directive 89/336/EEC and
amending Directive 92/31/EEC, the CE Marking Directive 93/68/EEC and the Low Voltage Directive 73/23/EEC.
This equipment must not be modified for any reason and it must be installed as stated in the Manufacturer’s instruction.
If this shipment (or any part thereof) is supplied as second-hand equipment, equipment for sale outside the European Economic
Area or as spare parts for either a single unit or system, it is not covered by the Directives.

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© 2007 Johnson Controls, Inc.
HARDWARE INSTALLATION
INTRODUCTION
The S300-DIN-RDR2SA module provides interface control for access and security devices
associated with one or two doors.
NOTE
Throughout this manual the S300-DIN-RDR2SA module is also referred to
as the RDR2S-A.
The key features of the RDR2S-A include:
Wide range nominal voltage for power source (+12 to 24VDC, 16 to 24VAC)
Support for RS-485 bus communications at 9600 or 19200 (Auto baud rate
detection 9600/19200 baud)
Two-door access control input/output interface, each door’s interface consisting of:
- Supervised door monitor switch input, normally open or normally closed,
based on wired configuration

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- Supervised auxiliary access or exit request switch input, normally open
- Supervised tamper and spare inputs
- Wiegand Data0 and Data1 interface
- Door strike relay, SPDT (Single Pole Double Throw)
- Alarm shunt relay, SPDT
- Red lamp driver and green lamp driver (open collectors)
- +12VDC 250mA reader power supply
Also, the following inputs are shared by both interfaces (one per unit):
- Calibration resistor input
- Supervised tamper and power fail inputs
APPLICATION
The S300-DIN-RDR2SA module is an interface for the CK722, CK721, and CK720/CK705
controllers using standard RS-485 communications. It supports up to two doors per unit.
The RDR2S-A provides the ability to configure supervised 4-state inputs and unsupervised
2-state inputs. When used with CK722 and interfacing to a single door, the unused points can
be configured as general purpose input/output (I/O) points, possibly eliminating the need to
purchase additional I/O modules for certain installations.
The RDR2S-A provides power for the card reader hardware. It does not provide power for
door locking hardware.
INSTALLATION
Unpacking the Equipment
Carefully inspect the S300-DIN-RDR2SA shipping containers as soon as you
receive them (with the delivery agent present). Some shipping companies want to
have an agent present when a damaged container is opened. If a container is
damaged, open it immediately, inspect the contents, and have the agent make note
on the shipping document. Check the purchase order against the packing slips to
ensure the order is complete. If the contents of a container are damaged in any way,
notify the carrier and your Johnson Controls representative immediately. Report any
discrepancies to your Johnson Controls representative. Save the packing materials
for possible return shipments.
Package Contents
S300-DIN-RDR2SA module
Connectors set
This manual

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© 2007 Johnson Controls, Inc.
Tools Needed
Small, straight-blade screwdriver for securing wires in the terminal blocks.
Acceptable Switch/Relay Contact Inputs
Use only fine gold, gold flash, or reed switch/relay contacts. Do NOT use silver,
coin silver, or nickel contacts, as these may oxidize and degrade over time, thereby
causing the circuit to fail.
MOUNTING
The S300-DIN-RDR2SA can be mounted on a flat surface, DIN rail, or in a Johnson
Controls’ approved enclosure (for example: S300-DIN).
For information on mounting the S300-DIN-RDR2SA in an enclosure, refer to the manual
provided with the enclosure.
DIN Rail Mounting
³To mount an RDR2S-A module on a DIN rail:
1. Fully extend the white clips located on the bottom of the module.
2. Hook the module on top of the rail.
3. Push in the clips.

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³To remove a module from the DIN rail:
1. Pull down the clips at the bottom of the module.
2. Pull the bottom of the module out and lift it up.
Flat Surface Mounting
³To mount an RDR2S-A module on a flat surface:
1. Make sure no connectors obstruct access to the clips on the bottom of the
module. If necessary, remove the connectors.
2. Fully extend the bottom clips.
3. Mount the module to the surface with mounting screws.
4. Replace the connectors, if previously removed.
Fully extended
clips
(connectors
are removed)
Power Source
See the following table for power requirements.
Parameter Value
Input voltage +12 to 24VDC, 16 o 24VAC
Input current 1A at 24V, 2A at 12V
Power 24W

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© 2007 Johnson Controls, Inc.
Line Voltage Information
If the facility is located in an area where power lines are subject to frequent lightning
strikes, verify with the electric company that the building transformer is equipped
with surge protectors. These, as well as a “crowbar” type of protection, can be
installed at the main service entrance if the building transformer is not equipped
with lightning protection.
While lightning is one cause of power line transients, others can be internal or
external to the building environment. The general application of transient surge
suppression is low-cost insurance to ensure long life of the equipment being
installed.
DESCRIPTION OF SIGNALS
All interface signals are connected via plug-in connectors. For a description of the
RDR2S-A I/O interface signals, see “Input Point Signals” on page 18.
The figure below is an outline of the position of terminal blocks, followed by
detailed drawings.
READER 1
STRIKE
READER 1
SHUNT
READER 1
READER 2
STRIKE
READER 2
SHUNT
READER 2 PANEL S300 BUS
READER 1 READER 1 READER 1 READER 2 READER 2 READER 2 CAL POWER
RDR2S-A
READER 1 READER 2

CK721/CK720/CK705 Controllers:
Reader Mode Enabled
COM NC NO COM NC TAMP COM SPARE NO COM NC NO COM NC TAMP COM SPARE PWR FAIL COM TAMP REF RS485-
RS485+
NO
READER 1
STRIKE
READER 1
SHUNT
POWER RETURN
CAL RESISTOR CAL RESISTOR
DATA1/Rs485+
DATA0/Rs485-
COM
POWER
GREEN LED
COM
RED LED
REX
COM
DOOR CONTACT
DATA1/Rs485+
DATA0/Rs485-
COM
POWER
GREEN LED
COM
RED LED
REX
COM
DOOR CONTACT
+12/24 VAC/VDC
READER 1 READER 2
STRIKE
READER 2
SHUNT
READER 2 PANEL S300 BUS
READER 1 READER 1 READER 1 READER 2 READER 2 READER 2 CAL POWER
Terminal 1 Request to Exit Device Terminal 1 Red Light Terminal 1 Green Light
Terminal 1 Door Reader
Terminal 2 Door Input Terminal 2 Request to Exit Device Terminal 2 Red Light Terminal 2 Green Light Terminal 2 Door Reader Calibration Resistor To the power supply Terminal 1 Door Input
To the S300 bus
Terminal 1 General Purpose Input 5 Terminal 1 General Purpose Input 6
or “Power Fail” (see page 19)
Terminal 2 General Purpose Input 3 Terminal 2 General Purpose Input 4
Terminal 2 Shunt
Terminal 2 Strike
Terminal 1 General Purpose Input 3 Terminal 1 General Purpose Input 4
Terminal 1 Shunt
Terminal 1 Strike
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CK722 Controllers:
Both Reader Terminal Objects Defined
COM NC NO COM NC TAMP COM SPARE NO COM NC NO COM NC TAMP COM SPARE PWR FAIL COM TAMP REF RS485-
RS485+
NO
POWER RETURN
CAL RESISTOR CAL RESISTOR
DATA1/Rs485+
DATA0/Rs485-
COM
POWER
GREEN LED
COM
RED LED
REX
COM
DOOR CONTACT
DATA1/Rs485+
DATA0/Rs485-
COM
POWER
GREEN LED
COM
RED LED
REX
COM
DOOR CONTACT
+12/24 VAC/VDC
READER 1
STRIKE
READER 1
SHUNT
READER 1 READER 2
STRIKE
READER 2
SHUNT
READER 2 PANEL S300 BUS
READER 1 READER 1 READER 1 READER 2 READER 2 READER 2 CAL POWER
Application Specific Input “Reader 1 REX” Application Specific Output “Reader 1 Red LED” Application Specific Output “Reader 1 Green LED”
Reader 1
Calibration Resistor To the power supply Application Specific Input “Reader 1 Door Contact”
To the S300 bus
General Purpose Input “Panel Tamper”
General Purpose Input or “Power Fail” (see page 19)
General Purpose Input “Reader 1 Spare”
General Purpose Input “Reader 1 Tamper”
Application Specific Output “Reader 1 Shunt”
Application Specific Output “Reader 1 Strike”
General Purpose Input “Reader 2 Spare”
General Purpose Input “Reader 2 Tamper”
Application Specific Output “Reader 2 Shunt”
Application Specific Output “Reader 2 Strike”
Application Specific Input “Reader 2 REX” Application Specific Output “Reader 2 Red LED” Application Specific Output “Reader 2 Green LED”
Reader 2
Application Specific Input “Reader 2 Door Contact”
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CK722 Controllers:
No Reader Terminal Objects Defined
COM NC NO COM NC TAMP COM SPARE NO COM NC NO COM NC TAMP COM SPARE PWR FAIL COM TAMP REF RS485-
RS485+
NO
POWER RETURN
CAL RESISTOR CAL RESISTOR
DATA1/Rs485+
DATA0/Rs485-
COM
POWER
GREEN LED
COM
RED LED
REX
COM
DOOR CONTACT
DATA1/Rs485+
DATA0/Rs485-
COM
POWER
GREEN LED
COM
RED LED
REX
COM
DOOR CONTACT
+12/24 VAC/VDC
READER 1
STRIKE
READER 1
SHUNT
READER 1 READER 2
STRIKE
READER 2
SHUNT
READER 2 PANEL S300 BUS
READER 1 READER 1 READER 1 READER 2 READER 2 READER 2 CAL POWER
General Purpose Input “Reader 1 REX” General Purpose Output “Reader 1 Red LED” General Purpose Output “Reader 1 Green LED”
DATA0/RS485-, DATA1/RS485+ not used
Calibration Resistor To the power supply General Purpose Input “Reader 1 Door Contact”
To the S300 bus
General Purpose Input “Panel Tamper”
General Purpose Input or “Power Fail” (see page 21)
General Purpose Input “Reader 1 Spare”
General Purpose Input “Reader 1 Tamper”
General Purpose Output “Reader 1 Shunt”
General Purpose Output “Reader 1 Strike”
General Purpose Input “Reader 2 Spare”
General Purpose Input “Reader 2 Tamper”
General Purpose Output “Reader 2 Shunt”
General Purpose Output “Reader 2 Strike”
General Purpose Input “Reader 2 REX” General Purpose Output “Reader 2 Red LED” General Purpose Output “Reader 2 Green LED”
DATA0/RS485-, DATA1/RS485+ not used
General Purpose Input “Reader 2 Door Contact”
Hardware Installation S300-DIN-RDR2SA Module
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© 2007 Johnson Controls, Inc.

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© 2007 Johnson Controls, Inc.
Wiegand Input
Description of Signals – DATA0/Rs485- and DATA1/Rs485+ from each reader,
complying with the Wiegand interface specification. These signals are pulled up to
5VDC by internal 3.92 K Ohm resistors when the Wiegand/RS485 switch is on. See
page 15 for information on Wiegand switch setting.
Reference – These signals are referenced to logic ground (COM).
Protection – Each signal has a 6 V transient voltage suppressor between it and COM.
Input Points
Description of Signals – The following are internally pulled up inputs:
Reader 1 REX
Reader 1 Tamper
Reader 1 Spare
Panel Power Fail
Panel Tamper
The allowable voltage range for these signals is 0-12VDC.
Reference – These signals are referenced to their associated COM input.
Protection – Each signal is protected with series resistors and dual clamping diodes.
External Circuits – Two external resistors and switch circuit connected between an
input point and COM is required for 4-state operation. An external switch connected
between an input point and COM is required for 2-state operation. For wiring details
see “Wiring Input Devices” on page 13.
Reader 1 Door Contact
Reader 2 Door Contact
Reader 2 REX
Reader 2 Tamper
Reader 2 Spare
Calibration Resistor

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Open Collector Output Points
Description of Signals – The following are open collector outputs:
The allowable voltage range for these signals is 0-24VDC, limited to 50mA.
!
CAUTION
These open collector outputs can be damaged with the use of
alternating current (AC) potentials as low as 1VAC. The LED outputs
can only be connected to direct current (DC) loads up to 24VDC.
Reference – These signals are referenced to logic ground (COM).
Protection – Each signal has a 30V transient voltage suppressor between it and
system ground.
Relay Output Points
Description of Signals – NC, NO, and COM are the three connections to a single pole,
double throw relay.
The following are the relay outputs:
Reference – The relay is a dry contact relay rated at 1A at 24VDC/VAC, 25VA
maximum.
Reader Power
Description of Signals – 250mA at 12VDC is provided for each reader.
Protection – There is a 750mA PTC (Positive Temperature Coefficient) re-settable
fuse.
Reader 1 Red LED
Reader 1 Green LED
Reader 2 Red LED
Reader 2 Green LED
Reader 1 Strike
Reader 1 Shunt
Reader 2 Strike
Reader 2 Shunt

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Cable Requirements
Cable Routing
The cables should run in grounded conduit or at least two feet from AC power,
fluorescent lights, or other high energy sources.
!
CAUTION
All data cables should be physically separated from power lines. If
conduit is used, do not run data cables in the same conduit as power
cables or certain door strike cables, e.g. strike voltage greater that 42V
or Magnetic door locks without EMI suppression.
Description Recommended Cable Type Maximum Segment Length
RDR2S-A to Power
Supply1
Listed, 18 AWG, hook-up wire Wire should fit within the
enclosure.
RDR2S-A to
Controller
Listed, 18 AWG, 1 twisted pair 4000 feet (1219 m) maximum. All
RDR2S-A modules connected to
a single controller must be within
4000 feet of the controller.
RDR2S-A to
RDR2S
Listed, 18 AWG, 1 twisted pair 4000 feet (1219 m) maximum
Door Contact Belden 8442, 1 twisted,
unshielded pair, 22 AWG
500 ft. (152 m)
Door Strike and
Shunt
Belden 9740, 1 twisted,
unshielded pair, 18 AWG
Depends on power requirements
of the door strike. Voltage to the
strike must not be reduced more
than 10% over the 18 AWG wire,
measured when energized.
Request to Exit Belden 8442, 1 twisted,
unshielded pair, 22 AWG
500 feet (152 m)
Reader Power2Belden 9740, 1 twisted,
unshielded pair, 18 AWG
Refer to reader manufacturer’s
specification for power
requirements.
Reader
Data0/Data12
Belden 9744, 2 twisted,
unshielded pair, 22 AWG
500 ft. (152 m). Refer to reader
manufacturer’s specification for
data requirements.
General Purpose
Input
Belden 8442, 1 twisted,
unshielded pair, 22 AWG to each
detector
500 feet (152 m)
General Purpose
Output
Belden 9740, 1 twisted,
unshielded pair, 18 AWG to each
relay
Depends on load.
1When wiring more than one RDR2S-A, use the same type of hook-up wire and
communications wire to connect subsequent modules.
2Refer to reader manufacturer’s recommendations when using UL-listed readers. In the
absence of other recommendations, consider these cable specifications taking into
account the number of conductors that will actually be needed for installation.

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All cables must conform with the following regulations:
National Electrical Code
NFPA 70
Local electrical codes
Canadian Electric Code C22.1 (installations in Canada)
BSI Standard BS7671, latest edition (installations in Great Britain)
Cabling should be made using good wiring practices and should be long enough to
allow service loops at their terminations in the enclosure.
Power Supply
For power wiring with either the large or small enclosure, use the cable assembly
shown in the following figure. For more information refer to the manual provided
with the enclosure.
Connector (2-pole, gray)
for RDR2S-A module
COM
+24VDC
connector
black
red
When connecting multiple RDR2S-A modules, wire the modules in parallel
following the “daisy chain” pattern as shown in the following figures. To construct
the power wiring, use listed 18 AWG wires.
1st RDR2S-A 3rd RDR2S-A2nd RDR2S-A to the next
RDR2S-A
DC power cable
connecting to
power supply
RS-485 cable
connecting to
S300 bus
2nd RDR2S-A 3rd RDR2S-A

Connectors of the
1st RDR2S-A
Connectors of the
last RDR2S-A
Connectors of
the 2nd RDR2S-A
POWER
RETURN
+12/24
VAC/VDC
COM
RS485-
RS485+
!
CAUTION
Do not connect the power cable to the RDR2S-A until all wiring is
complete.
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Connecting the COM (Ground) Wire
When daisy-chain connecting an RDR2S-A, wire the devices according to the
following illustration:
RDR2S-A Connector
(RS-485)
S300 Series
Connector (RS-485)
12
3 45
S300 Series
Connector (RS-485)
12
3 45
COM
RS485-
RS485+
Wiring Input Devices
Tamper Switch Wiring
The tamper switch connects to a general purpose input point. To be operational, the
tamper switch must be wired to one of the unused input points on any RDR2S-A in
the enclosure, and programmed in the controller. Use the PANEL/TAMP connector
for this function.

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General Input Wiring
The inputs can be used as either 2-state or 4-state inputs. You should calibrate the
inputs depending on the needs of your site.
e.g. DOOR
CONTACT
COM
2-State Inputs Wiring
Note: The 4-state wiring requires two
resistors of the same value. The resistors
can be 150-2000 Ohms, 1%, 1/4W. The
recommended resistor is 1200 Ohms.
4-State Inputs Wiring: N/C Switch
e.g. DOOR
CONTACT
COM
Note: The 4-state wiring requires two
resistors of the same value. The resistors
can be 150-2000 Ohms, 1%, 1/4W. The
recommended resistor is 1200 Ohms.
4-State Inputs Wiring: N/O Switch
e.g. DOOR
CONTACT
COM
Ground
Every metal DIN enclosure in a Johnson Controls installation must have its chassis
bonded to a verified electrical ground (earth).
Conduit ground, cold water pipes, unbrazed joints or dissimilar metals
are unacceptable in the path of either building or supplemental
ground. Where grounding is required, connect only to the proven
building electrical system ground (earth).
!
CAUTION

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SETUP AND ADJUSTMENTS
RS485 Connection
The following figure shows a portion of the top cover of the RDR2S-A module with
adjustable Wiegand, EOL, and address switches.
EOL Switches:
SW2 position #2
and SW2 position #3
Wiegand
switch
Address
switches
Note:
The Wiegand and EOL switches are ON (up) by factory default.
The address switches are OFF (down) by factory default.
Wiegand Switch
Wiegand Data0 and Data1 interface is enabled when the Wiegand/RS485 switch is
on (up).
Setting the End-of-Line Switches
Network devices at either end of the RS485 network must be set as network
terminated devices. This is done with the use of the End-of-Line (EOL) switches.
The RDR2S-A module has two End-of-Line switches: SW2 position #2 and SW2
position #3.
Turn them both on (up) or both off (down) according to the position of the
RDR2S-A module on the RS485 bus.
The RDR2S-A modules follow the same rules as other terminated devices. See the
following figure to determine the appropriate EOL setting for each RDR2S-A
module in your network.

last module
EOL switch
on (up)
EOL switch
on (up)
EOL
always on
EOL switches
on (up)
RDR2S-A
CK721/CK722
EOL switches
off (down)
CK720/CK705 RDR2S-A
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Baud Rates
The RDR2S-A module supports autobaud operation between 9600 and 19200 bps
and does not require any switch settings.
Address Switches
The RDR2S-A module has 5 address switches (see “Terminal Addressing for
CK721/CK720/CK705 Controllers” on page 18).
(CK721/CK720/CK705 Controllers) Positions 4 to 6: Module address
(CK722 Controllers) Positions 4 to 8: Module address
Ensure that the address of the RDR2S-A does not conflict with the address of any
other device on the RS485 bus.
NOTE
Before changing the position of the address switches, remove the
12/24 VDC supply power to the RDR2S-A and wait for the Power LED to
go off. Changes will not take effect until after the power is restored.