Cable Requirements - Johnson Controls S300 Series Hardware Installation

RDR2S-A and I8O4 Hardware Installation
24-10239-596 Rev. D
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:
• Terminal 1: OUT5, OUT3
• Terminal 2: OUT5, OUT3
Reference – The relay is a dry contact relay rated at 1A at 24VDC, 25VA
maximum.
C R
ABLE EQUIREMENTS
Description
RDR2S-A or I8O4
1
to Power Supply
RDR2S-A or I8O4
to Controller
RDR2S-A or I8O4
to RDR2S
Door Contact
Door Strike and
Shunt
Table 2: Cable Requirements
Recommended Cable Type
Listed, 18 AWG, hook-up wire
Listed, 22 AWG, Stranded,
Hook-up wire.
Listed, 18 AWG, 3-cond,
stranded, shielded.
Listed, 22 AWG, Stranded,
Hook-up wire.
Listed, 18 AWG, 3-cond,
stranded, shielded.
Belden 8442, 1 twisted,
unshielded pair, 22 AWG
Belden 9740, 1 twisted,
unshielded pair, 18 AWG
17

Cable Requirements

Maximum Segment Length
Wire should fit within the
enclosure.
Limited to within cabinet.
4000 feet (1219 m)
maximum. All RDR2S-A
modules connected to a
single controller must be
within 4000 feet of the
controller.
Limited to within cabinet.
4000 feet (1219 m)
maximum.
500 ft. (152 m).
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.