Emerson ARC156 User Manual

Specification for SiteGate-E

DESCRIPTION: The SiteGate-E provides communications between a SiteScan workstation and a control
module network (ARC156) consisting of up to 32 control modules. The SiteGate-E provides one Ethernet
Console Port and one serial port for direct connection. The Ethernet port is designated meets the IEEE

802.3 standard. The serial console ports are switch selectable for baud rates up to 38.4k bps.
Communication between the SiteGate-E and the ARC156 network is provided through an EIA-485 port.

DIMENSIONS: Module: 7 1/8" H x 6 1/4" W X 1 5/8” D

18.10cm H x 15.88cm W X 4.13cm D

Enclosure: 12”H x 14.25" W x 2.85" D
(painted steel) 419.1mm x 301.3mm x 78.6mm

See Enclosure Diagrams for mounting options.

POWER: 24 VAC ±10%, 50-60 Hz, 7.2 VA.

ENVIRONMENTAL
OPERATING RANGE: 0 to 130°F (-17.8 to 54.4°C); 10 to 90% relative humidity, non-condensing.

For UUKL Smoke Control Systems, 32°-120.2°F (0°-49°C); 10 to 85% relative
humidity, non-condensing.

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Specification for SiteGate-E

COMMUNICATIONS: One (1) Ethernet IEEE 802.3 port

RJ-45 connector

One (1) Serial port (EIA-232)

DB-9 male

One (1) CMnet EIA-485 Port - Control Module network screw terminals

Switch selectable baud rates ARC156 / 9600 or 38.4bps

Recommended wire is: MAGNUM Cable pn A3-ARC-156-2

MEMORY: 1 MB flash, 1 MB RAM.

BATTERY: Seven-year lithium battery provides a minimum of 10,000 hours of data retention

during power outages.

FAULT DETECTION: Hardware watchdog timer.

PROTECTION: Built-in surge and transient protection circuitry.

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Specification for SiteGate-E

DIAGNOSTIC LED’s:

Power indicates when power is on.
Run blinks when the processor is running.
Error lights when an error is detected.
CMnet Transmit lights when SiteGate-E transmits data over ARC156 network.
CMnet Receive lights when SiteGate-E receives data from the ARC156 network.
Console Transmit (TX) lights when the Console port transmits data.
Console 2 Receives (RX) lights when the Console port receives data.
Link lights when the Ethernet port is connected.
Lan lights when the Ethernet port is active.

MODULE DIMENSIONS AND LAYOUT

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