Electrical Installation Of Fluid Quantity Controller Type 8750; Rofibus Dp / Devicenet; P Rofibus Dp / Devicenet; Electrical Installation - bürkert 8693 Schnellstartanleitung

Process actual value - Type 8693
Input type* Terminal Assignment
4 ... 20 mA 1 + 24 V transmitter supply
- internally 2 Transmitter output
supplied 3 bridge to GND
4 GND
4 ... 20 mA 1 not assigned
- externally 2 Process actual +
supplied 3 Process actual -
4 not assigned
Frequency 1 + 24 V sensor supply
- internally 2 Clock input +
supplied 3 not assigned
4 Clock input - (GND)
Frequency 1 not assigned
- externally 2 Clock input +
supplied 3 not assigned
4 Clock input -
Pt 100 1 not assigned
(** see note) 2 Process actual 1 (current feed)
3 Process actual 2 (compensation)
4 Process actual 3 (GND)
* Can be adjusted via software (see operating instructions Type 8692/8693
"Setting the input signal").
Tab. 8: Process actual value - Type 8693
** For reasons of wire resistance compensation, connect
the Pt 100 sensor via 3 wires.
Always bridge terminal 3 and terminal 4 on the sensor.
28
English
11.4 Electrical installation of fluid
quantity controller Type 8750
Switch
The electrical installation for the fluid quantity controller can
Switch
be found in the quickstart guide for Type 8750.
on left
12 P ROFIBUS DP / DEVICENET
Switch
The quickstart guide only describes the electrical installation of
on right
Type 8692/8693 and the specification of the basic settings.
The settings for the bus communication via the BUS.
COMM menu are described in the operating instructions of
Switch
Type 8692/8693.
on left
12.1 Electrical installation
Switch
on right
Procedure:
→
Connect Type 8692/8693 according to the tables.
On the electrical connection housing is a setscrew with nut for con-
Switch
nection of the technical earth. (see "Fig. 18: Electrical connection
on right
Profibus DP").
→
Connect setscrew to a suitable grounding point. To ensure
electromagnetic compatibility (EMC), ensure that the cable is as
short as possible (max. 30 cm, Ø 1.5 mm
When the operating voltage is applied, Type 8692/8693 is operating.
→
Now make the required basic settings and adjustments for the
positioner/process controller. See Chapter "13 Start-up".
Type 8692, 8693
Electricalinstallation
).
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