Enmet GSM-60 Manual do Utilizador descarregar pdf (Página 9)

GSM-60 ENMET Corporation

3.2 Power Supply

The input power can vary from 100 to 240V

, 50/60 Hz. Mains power should be connected to the Power Input Terminal J23

and the ground screw J21. See Figure 2 for location.

ARNING

Continuous gas detection and alarm systems (110V

/220V

/ 24V

/12V

powered) become inoperative upon

loss of primary power. Contact factory for specifications and pricing of backup battery systems.

Upon supplying air and power to the instrument:

 The green power on LED is lit.

 The display backlight is lit, and instrument will step through a start-up sequence: unit serial number, software revision and

gases monitored may be shown on the display.

The instrument may go into alarm briefly, but the sensors stabilize quickly. If the instrument persists in alarm, acknowledge the

alarm by pressing the

AUDIO DEFEAT

ALARM ACKNOWLEDGE

switch. If alarm persists longer than 30 minutes, call ENMET

customer service personnel.

3.3 Inputs / Outputs

Two types of alarm outputs are available, relay contacts and 4-20mA outputs.

Figure 2A: Relay, Input and Output Terminals

Relay 1

Channel 1

Alarm 1

Relay 2

Channel 2

Alarm 1

Relay 3

Channel 3

Alarm 1

Relay 4

Channel 4

Alarm 1

Relay 5

Channel 1-4

Alarm 2

Relay 6

Ch 1-4 / System

Fault

Input Connecto

24V

GND

Input Connector

24V

GND

Input Connector

24V

GND

Connector 2

Channel 3 & 4

4-20mA Output

Connector 1

Channel 1 & 2

4-20mA Output

Connector RS485

Connector RS232

Connector RS485

Ground Screw J21

Power Input

Terminal J23

1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 38 39

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