User Guide
LSP Ex System for Zone 22
Linescanner Head
3
Special conditions of use
•
The equipment shall only be mounted above the process such that dust
cannot build up around the enclosure from any surface beneath the
equipment. The equipment shall not be mounted at an angle greater than
45° to the vertical (window down), unless the equipment is provided with
suitable protection to prevent the accumulation of dust on any surface.
•
The equipment water-cooling, air-purging base plate shall always be
installed as part of the equipment and shall not be removed.
•
For applications that use the purge facility, the user shall provide a means
to ensure that combustible dust from the hazardous area cannot enter the
purge supply.
•
The voltage at the supply input, and at all other inputs and outputs, shall
not exceed 36Vdc.
•
The connector clamping arrangement shall always be fitted when the
equipment is energised. During any installation or maintenance operation
of the connector, suitable precautions shall be taken to ensure that the free
connector plug cannot become energised while unmated when an explosive
dust atmosphere is present.
4
Electrical Connections
Connector Pin
1
Power supply in +12/+15V (nominal) <1A (+18V maximum)
2
Serial Communic (connect to Land approved processor)
3
Temperature T+ 4 to 20mA ouput
4
Temperature T- 20mA return (0V)
5
Serial Communications - (connect to Land approved processor)
6
Power supply in -12/-15V (nominal) (-18V maximum)
7
Internal temperature Tint+ 4 to 20mA return (0V)
8
Internal temperature Tint- 4 to 20mA return (0V)
9
Emissivity input E- 4 to 20mA
10
Unused
11
Emissivity input E+ 4 to 20mA return
12
Unused