9
GENERAL
4-20 mA Signal Output
350
Ω
Strain Gage
A/D Signal
Conversion
Microcomputer
Sensor Linearization
Rerange
Damping
Diagnostics
Communication
Module EEPROM Memory
Rerange values
Configuration
Calibration
Local Zero and Span
Adjustment
D/A Signal
Conversion
HART Digital
Communications
HART
Communicator
Process
Input
Temperature
Sensor
1.61.6
1.61.6
1.6
BB
BB
B
LL
LL
L
OCKOCK
OCKOCK
OCK
D D
D D
D
IAGRAMIAGRAM
IAGRAMIAGRAM
IAGRAM
OFOF
OFOF
OF
O O
O O
O
PERAPERA
PERAPERA
PERA
TIONTION
TIONTION
TION
1.1.
1.1.
1.
77
77
7
CC
CC
C
ORRECTORRECT
ORRECTORRECT
ORRECT
USEUSE
USEUSE
USE
When using the SPX as a safety component in accordance with the EC Machine Directive,
Annex IIc, the equipment manufacturer must take any necessary precautions to ensure
that malfunction of the PT cannot cause damage or injury.
The installation of the device must be in accordance with European installation guidelines
EN 60079-10. Over voltage protection shall be implemented as mentioned in EN 60079-14.
When planning machinery and using the SPX, follow the safety and accident prevention regulations that
apply to your application, such as:
• EN 60204, Electrical equipment in machines
• EN 292, Machine safety, general design guidelines
• DIN 57 100 Part 410, Protection against electric shock
• EN 50014:1997 incl. Amendments A1, A2 General requirements
• EN 50020:2002 Intrinsically Safe Apparatus
• EN 50284:1999 Special Requirements for Group II Category 1G
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