| Model: 938204 |
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SPECIAL ORDER
Wiring Diagram
4 Channel Analog
Digital Receiver
4Ch analog/digital
Rx
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PROCESS CONTROL
RO-4 Radio
Frequency (RF) Receiver
with Four Universal Outputs duplicates point
information received from up to four different transmitters. Each of the
output points may be individually configured for an SPDT contact output or
an analog output of 0-20 mA or 0-10 VDC. There is no RF tuning, no
external RF antenna, and no specific radio experience required to install
or use the system. The RF signal uses proven spread-spectrum technology, and has an open-air range of 2700' (823m).
- Eliminates wiring
- Four universal
output
points
Spread-spectrum technology
No FCC license required
200' to 500' (61 to 152m) in-building range
2700' (823m) open-air range
923 MHz RF carrier
No external antenna required
50 addresses per facility
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SPECIFICATIONS
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Universal Output |
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Supply power |
24 VAC/DC ±10% @ 500 mA |
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Outputs (4) |
Selectable digital or analog |
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Digital |
SPDT 10A @ 120 VAC |
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Analog |
0-20 mA, 0-10 VDC |
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Sensor |
4-20 mA, 2-10 VDC |
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Impedence |
<650ohm mA, >10ohm V |
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D/A resolution |
12-bit converter |
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LBI option |
SPST low battery indicator |
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Ambient temp |
14° to 140° F (-10° to 60°
C) |
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Ambient RH |
5% to 95% RH noncondensing |
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Connection |
Terminal screws |
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Housing |
NEMA 4, plenum rated |
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Weight |
2.0 lb (0.91kg) |
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Dimensions |
4.3"W x 7.0"H x
3.5"D (10.9 x 17.8 x 8.9 cm) |
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Radio |
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Frequency |
923.58 MHz |
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Receiver sensitivity |
-110 dBm |
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Modulation |
Direct sequence, spread spectrum |
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Data rate |
19.2 KBPS |
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Antenna |
Built into circuit board |
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Approvals |
FCC CFR part 15.247 |
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Address Structure |
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Facility address
code |
Unique for each system |
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Transmitter address |
50 addresses per system @ 30 sec
intervals |
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Number of receivers |
Unlimited |
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Four points |
May receive from any transmitter
and point within the facility address code |
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