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125720-01 Bently Nevada Communication gateway supporting RS485

$680.00

In stock

model:125720-01

Order (minimum order quantity): 1

Payment: telegraphic transfer
Product origin: Sweden
Port of shipment: Xiamen, Fujian
Hotline: 18165687102

E-mail:2804538582@qq.com

When either of the air purge options is required, the conduit fitting option is

also required.

Static purge pressure (the pressure required to insure that a hazardous

atmosphere does not enter the housing) must be above 0.2 inches of water

(0.05 Kilopascals) for installations that require N.F.P.A. 495-1982

specification. For installations that require Canadian Electrical Code C22.1-

1986 specification, pressure must be above 0.25 Kilopascals (1.0 inches of

water). This is measured on the gauge (after housing has been purged) with

valve in the closed position.

Application Alert

This housing is NOT equipped with over pressure

protection. Maximum working pressure should not

exceed 2.49 Kilopascals (10 inches of water).

Purge flow rate (the time required to purge 5 or 10 volumes of air through the

housing) is determined by:

  1. Turn the valve to its vent position and read the gauge to determine hous

ing purge pressure.

  1. Find that pressure on the appropriate chart provided below.
  2. Determine the size of the housing that is being purged and read from that

column the length of time required to purge the system with your housing

pressure. This number, in minutes, should be permanently marked in the

space provided on the warning label on the housing door.

 

 

125720-01 Bently Nevada Communication gateway supporting RS485illustration

Set the following jumpers and switches before operating the rack:

  • Rack address switch (on the front of the Rack Interface Module)
  • Transducer jumpers on each I/O Module, as required
  • Certain I/O Modules have switches to control their mode of operation.

Examples include:

– RIM and Comm Gateway I/O’s that support both RS232 and RS422

have a protocol selection switch

– Overspeed and non-TMR Relay I/O’s have Normally Energized/De

energized Relay mode switches

– Comm Gateway I/O’s that support RS485 have termination mode

switches

  • Setup phone connection to rack / host (if you use an internal or external

modem)

Phone cable to internal modem in rack

OR

Phone cable to modem and RS-232 cable from modem to rack

  • TMR / SIM jumper on the inside of the 3500 Rack backplane between the

Power Supply and the Rack Interface Module as shown in the diagrams

below.

 

 

The prices of all products of Zhangzhou Fengyun may fluctuate at any time. The specific price is subject to the customer service quotation. Please confirm the model, product, price and other details with the customer service before placing the order. Second-hand and brand-new products are sold in the store. Please contact the customer service for details.

 

125720-01 Bently Nevada Communication gateway supporting RS485illustration1

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