64
10 Supplement
WIKA Operating Instructions - Process pressure transmitter CPT-2x
Ʋ
Inspection window
Polyester foil
Functional safety
SIL non-reactive
Interface to the external display and adjustment unit
Data transmission
Digital (I²C-Bus)
Connection cable
Four-wire
Sensor version
Configuration, connection cable
Cable length
Standard cable
Shielded
4 … 20 mA/HART
Modbus
50 m
●
–
Profibus PA, Foundation Fieldbus
25 m
–
●
Integrated clock
Date format
Day.Month.Year
Time format
12 h/24 h
Time zone, factory setting
CET
Max. rate deviation
10.5 min/year
Additional output parameter - Electronics temperature
Range
-40 … +85 °C (-40 … +185 °F)
Resolution
< 0.1 K
Deviation
±3 K
Output of the temperature values
Ʋ
Indication
Via the display and adjustment module
Ʋ
Output
Via the respective output signal
Voltage supply
Operating voltage U
B
9 … 32 V DC
Operating voltage U
B
with lighting
switched on
13.5 … 32 V DC
Power supply by/max. number of sensors Fieldbus/32
Potential connections and electrical separating measures in the instrument
Electronics
Not non-floating
Reference voltage
12)
500 V AC
Conductive connection
Between ground terminal and metallic process fitting
12)
Galvanic separation between electronics and metal housing parts