Siemens GC..M.. Manual de instalación descargar pdf (Pagina 10)

Maxum II Specifications, Continued

I/O Options

Standard I/O 2 analog outputs; 4 digital outputs (1 indicates system error, 3 are

user configurable); 4 digital inputs; 1 serial output

Board Slots for Optional I/O 2

I/O Boards AO 8: 8 electrically isolated analog output channels

D I/O: 4 digital inputs and 4 digital outputs

A I/O: 2 digital inputs and 2 digital outputs,

2 analog inputs and 2 analog outputs

Digital Inputs Optocoupler with internal 12-24 Vdc power supply, switchable

with floating contacts. Alternative: switchable with external 12-24

Vdc supply (floating relay contacts only), external power supply

negative terminal connected to common for specific DI being used

Digital Outputs Floating double-throw contacts, maximum contact load rating

1 A at 30 Vdc. Diode shunt suppression should be used for

inductive loads. A DO should not drive more than a 0.5A

inductive load. Dry contact DOs (I/O boards and Syscon) can not

be used with line voltages. The PECM has SSRs which may be

controlling line voltage for the particular application

Analog Inputs -20 to +20 mA into 50 ohms or -10 to +10 V R

= 1 M ohm,

mutually isolated to 10 V

Analog Outputs 0/4 to 20 mA into 750 ohms max., common negative pole,

galvanically separated from ground, freely connectable to ground

Termination Screw compression terminal strip for braided or solid cable with

maximum section of 16 AWG or 1.5 mm

Gas Sample Requirements (application dependent)

Sample Flow 50-200 cc/min (application dependent)

Sample Filtration 0.1 μm

Minimum Sample Pressure 5 psig (35 kPa), lower pressure optional

Maximum Sample Pressure 75 psig (515 kPa), standard; higher pressure optional

Maximum Sample Temperature 250°F (121°C) standard; higher temperature optional

Material in Contact with Sample Stainless steel, Teflon, and polyimide; other material optional

Liquid Sample Requirements (application dependent)

Sample Flow 5-20 cc/min (application dependent)

Sample Filtration 5 μm

0.3 μm if SLIV used in application

Minimum Sample Pressure 5 psig (35 kPa), standard

Maximum Sample Pressure 300 psig (2070 kPa) standard; higher pressure optional

Maximum Sample Temperature 250°F (121°C) standard; higher temperature optional

Material in Contact with Sample Stainless steel and Teflon; other material optional

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Siemens GC..M.. Manual de instalación Pagina 10