Siemens PROFIBUS PA SIPART PS2 Manual page 16

Introduction
Degree of
protection
Explosion
Protection
Options
Accessories
Environmental
Protection
14
The housing is available in three versions:
Plastic housing for single- and double-acting actuators
S
Metal housing for single-acting actuators
S
Explosion-proof metal housing for single and double-acting actua-
S
tors
The device is designed with IP65/NEMA4x degree of protection.
The intrinsically safe version can be used in hazardous areas in zone 1
or zone 2.
The explosion-proof version can be used in hazardous areas in zone 1
or zone 2.
Explosion-proof type "n" versions can be used in explosion hazard zone
2 areas.
The positioner can be expanded with various options modules (chapter
2.5, page 30). The following modules are available in all:
J -module: Two-wire current output 4 to 20 mA for position feedback
S
y
Alarm module: 3 digital outputs and 1 digital input
S
SIA module: one digital output for fault messages, two digital out-
S
puts for limit value alarms
Manometer block: 2 or 3 manometers for single and double-
S
acting positioners
Connection block (NAMUR) for safety valve block
S
Mounting kits for linear and rotary actuator
S
For decentralized installation of the positioner and position sensor:
External position detection system
S
Non-Contacting Position Sensor (NCS)
S
Only environmentally friendly materials have been used in the construc-
tion of the positioner.
The technical manual is printed on chlorine-free bleached paper.
SIPART PS2 PA Manual
A5E00127926-03