S300-DIN-RDR2S Module Hardware Installation
24-10239-413 Rev. A 9
This document contains confidential and proprietary information of Johnson Controls, Inc.
© 2010 Johnson Controls, Inc.
Wiegand Input
Description of Signals – DATA0 and DATA1, complying with the Wiegand interface
specification, from each reader. These signals are pulled up to 5 VDC by internal
3.92 K Ohm resistors.
Reference – These signals are referenced to logic ground (GND).
Protection – Each signal has a 6 volt transient voltage suppressor between it and
chassis ground.
Inputs Points
Description of Signals – IN01, IN02, IN11, IN12, IN21, and IN22 are internally pulled
up inputs. The allowable voltage range for these signals is 0-5V.
Reference – These signals are referenced to their associated REF input.
Protection – Each signal has a 6 volt transient voltage suppressor between it and
chassis ground.
External Circuits – An external resistor and switch circuit connected between INx and
REF is required for 4-state operation. An external switch connected between INx
and REF is required for 2-state operation.
Output Points
Description of Signals – OUT01, OUT02, OUT11, OUT12, OUT13, OUT21, OUT22,
and OUT23 are open collector outputs. The allowable voltage range for these signals
is 0-24V.
Reference – These signals are referenced to logic ground (GND).
Protection – Each signal has a 30 volt transient voltage suppressor between it and
chassis ground.
Relay Output Points
The S300-RDR2S module does not turn its output points off when it has not been
polled for more than 5 seconds. (The S300-RDR2S-A module in legacy address
mode, S300-IO8, S300-I16, and S300-SI8 modules turn their output points off if
they have not been polled for more than 5 seconds. The S300-RDR2S-A module in
physical address mode and S300-RDR8S turn their output points off if they have not
been polled for more than 20 seconds.)
Description of Signals – NC, NO, and C are the three connections to a single pole,
double throw relay. The allowable voltage range for these signals is 0-24V.
Reference – When 12 VDC or 24 VDC is selected, then these signals are referenced
to logic ground (GND). When DRY is selected, the relay is a dry contact relay rated
at 2 A at 12 VDC.
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