Siemens SIPART PS2 series - Page 14

Electropneumatic positioners
SIPART PS2
Technical specifications
SIPART PS2 FF
6/14
Siemens FI 01 · 2009
6
Communication
Communications group and class According to technical specification of the Fieldbus Foundation for H1 communication
Function blocks Group 3, Class 31PS (publisher, subscriber)
1 resource block (RB2)
1 analog output function block (AO)
1 PID function block (PID)
1 transducer block (standard advanced positioner valve)
Execution times of the blocks AO: 50 ms
PID: 80 ms
Physical layer profile 123, 511
FF registration Tested with ITK 5.0
Device address 22 (when delivered)
Connections
Electric Screw terminals 2.5
AWG28-12
Cable gland M20 x 1.5 or
½-14 NPT
Screw terminals 2.5
AWG28-12
EEx d certified cable
gland M20 x 1.5,
½-14 NPT or M25 x 1.5
Screw terminals 2.5
AWG28-12
Cable gland M20 x 1.5 or
½-14 NPT
Screw terminals 2.5
AWG28-12
Cable gland M20 x 1.5 or
½-14 NPT
Pneumatic Female thread G¼ DIN
EN ISO 228-1 (¼-18 NPT)
Female thread G¼ DIN
EN ISO 228-1 (¼-18 NPT)
Female thread G¼ DIN
EN ISO 228-1 (¼-18 NPT)
Female thread G¼ DIN
EN ISO 228-1 (¼-18 NPT)
External position sensor
(potentiometer or NCS; as option)
•U
o
––< 5V<5V
•I
o
––<75mA<75mA
•I
s
––<160mA<160mA
•P
o
– – < 120 mW < 120 mW
Maximum permissible external capaci-
tance C
o
––< 1 μF< 1 μF
Maximum permissible external induc-
tance L
o
– – < 1 mH < 1 mH
SIPART PS2 FF Basic device
without Ex protection
Basic device
with Ex d protection
(flameproof casing)
Basic device
with Ex ia/ib protection
Basic device
with Ex n/dust protec-
tion
© Siemens AG 2008