Spectrex Xenon 700 SIL Open-Path Gas Detection System Manual de usuario descargar pdf (Pagina 21)

TM 799200 Rev (C), January 2014

Models and Types 9

2.5 Models and Types

Series 700S offers 2 families of detected gases:

 Models 701S, 702S and 703S used for methane, LPG and gases mixture

for most offshore and onshore applications.

 Models 721S, 722S and 723S used for ethylene only.

Table 3 describes the installation distances for each of the Series 700S

models.

Table 3: Model Numbers and Installation Distances

Model

No.

Detector

Source

Min.

Installation

Distance

Max.

Installation

Distance

701S

XDSS-C-111XX

XSS-C-11X

13 ft. (4 m)

65 ft. (20 m)

702S

XDSS-C-112XX

XSS-C-11X

50 ft. (15 m)

230 ft. (70 m)

703S

XDSS-C-113XX

XSS-C-12X

165 ft. (50 m)

459 ft. (140m)

721S

XDSS-C-121XX

XSS-C-11X

13 ft. (4 m)

65 ft. (20 m)

722S

XDSS-C-122XX

XSS-C-11X

50 ft. (15 m)

230 ft. (70 m)

723S

XDSS-C-123XX

XSS-C-12X

165 ft. (50 m)

459 ft. (140m)

The 700S Series has 3 wiring options:

 Option 1: Power, Alarm Relay, Fault Relays, 0-20mA

 Option 2: Power, Alarm Relays, Fault Relays, Accessory Relay

 Option 3: Power, Alarm Relay, RS-485, 0-20mA, RS-485 RTN (default)

Note: SIL2 covers only 0-20mA outputs.

The wiring option must be set at the factory; cannot be changed at

customer facility.

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