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1-1 Overview, Specifications, Ground Connection Thin Web Server
Overview
The ASCO 5500 Series Catalog A5510 Thin Web Server
(TWS) provides real-time monitoring and control of
ASCO Automatic Transfer Switches and
engine-generator sets over the Internet or an intranet. The
TWS also logs critical alarms and analog information.
The TWS can be used with ASCO 4000 & 7000 Series
and Series 300 Automatic Transfer Switches that have
Accessory 72A Communication Interface Modules.
Specifications
Power Requirements: 24 Vdc nominal (9-36 Vdc)
35 Watts max.
Dimensions: 6” H, 10” W, 2” D
(15.2 cm, 25.5 cm, 5 cm)
Weight: 3.5 lb. (1.6 kg)
Operating Temperature: 14 to 122° F (-10 to 50° C)
at 5-85% relative humidity
Lights: power, IDE, & internal low
battery alarm (RAM backup)
LAN Ports: two 10/100 base T RJ45
USB Ports: two USB 1.1
Serial Ports (DB-9): two RS-232 and
two RS-232/422/485
top view
bottom view
Ground Connection
The TWS has a chassis ground point on the top left corner.
Back out the screw and connect a braided lead as short as
possible to earth ground.
When the TWS is mounted on a door, a conductive strap
must be used between the enclosure and the door. This
connection provides proper grounding which does not
rely upon the door hinges.
Backup Battery - type BR2032
The SRAM memory is retained by an internal backup
battery. If the battery light BTRY comes on, this battery
must be replaced. The battery is located on the left side of
the main circuit board. De-energize all power first. Then
remove the bottom four screws and slide the the cover
down and off. Use 3 V lithium type BR2032 only
; do not
substitute.
Low battery light