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Overview, Specifications, Ground Connection

Thin Web Server

Overview

Ground Connection

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 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.

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: USB Ports: Serial Ports (DB-9):

two 10/100 base T RJ45 two USB 1.1

two RS-232 and two RS-232/422/485

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

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