5
Electric Connection
Devices without PROFIBUS PA
(see Figs. 5, 6 and 10 to 15, Appendix)
Electric connection:
Cable inlet:
Signal range
Setpoint w:
4 to 20 mA
0/4 to 20 mA
Note
Before operation with a 3/4-wire connection you must remove the jumper between terminals 1 and
2.
Devices with PROFIBUS PA
(see Figs. 7 to 9, Appendix)
Electric connection:
Cable inlet:
Auxiliary power supply:
Bus voltage:
Polarity:
Current consumption:
Electronic current limitation:
Connecting the bus cable
1.
Strip back the bus cable as shown in Fig. 7 (Appendix).
2.
Open the housing of the positioner by undoing the four screws of the cover.
3.
Stick the prepared bus cable through the heavy–gauge threaded joint.
4.
Fix the shielding to the housing using the cable clip and the two screws.
5.
Screw the heavy–gauge threaded joint tight.
6.
Connect the red and green cores as shown in Fig. 8 to terminals 3 and 7 of the basic PCB. (The polarity
does not matter.)
6
Pneumatic Connection (see Fig. 16, Appendix)
Warning
!
If the electric supply is connected, the pneumatic supply must only be connected following
assembly if the positioner is switched to the input level "P manual mode" (for the as supplied condi-
tions, see leaflet "Operation – a concise overview").
Note
Ensure that the air quality is suitable! Grease-free industrial air, particulates < 30 m, pressure dew
point 20 K below lowest ambient temperature.
2
Screw terminals 1.5 mm
PG 13
With 2-wire connection (see Fig. 5, Appendix)
Compliance voltage
10 V without HART module,
module
With 3-wire or 4-wire connection (see Fig. 6, Appendix)
Compliance voltage 0.8 V without HART module, 1.8 V with HART module
Power supply U
: +18 V to +35 V (+30 V with Ex)
H
2
Screw terminals 1.5 mm
PG 13
fed from bus
9 to 24 V for intrinsically safe operation
9 to 32 V for non–intrinsically safe operation
any
12 mA
10%
Imax
16 mA in case of error
11 V with HART
C79000–M7474–C156–01