Burkert Type 8793 - Manual (Page 196)

196
PROFIBUS DP
29.6. X5 - M8, 4-pole circular connector -
process actual value (Type 8793 only)
Input.type* Pin
Wire.
colour.**
Configuration
DIP.
switches*** On.the.
device.side
External.circuit
4 – 20 mA
- internally
supplied 1 brown +24 V transmitter supply
Switch on
left
1
2
3
4
Transmitter
GND
2 white Output from transmitter
3 blue GND (identical with the GND
operating voltage)
4 black Bridge after GND (Pin 3)
4 – 20 mA
- externally
supplied 1 brown not used
Switch on
right
2 white Process actual + 2 4 – 20 mA
3 blue not used
4 black Process actual – 4 GND 4 – 20 mA
Frequency
- internally
supplied 1 brown +24 V sensor supply
Switch on
left
1 +24 V
2 white Clock input + 2 Clock +
3 blue Clock input – (GND) 3 Clock – / GND
(identical with
the GND oper-
ating voltage)
4 black not used
Frequency
- externally
supplied 1 brown not used
Switch on
right
2 white Clock input + 2 Clock +
3 blue Clock input – 3 Clock –
4 black not used
Pt 100
(see infor-
mation
below) 1 brown not used
Switch on
right
2
3
4
Pt 100
2 white Process actual 1 (power supply)
3 blue Process actual 3 (GND)
4 black Process actual 2 (compensation)
* Can be adjusted via software (see chapter “23.1. INPUT - Setting the input signal”, page 78).
** The indicated colors refer to the connection cable available as an accessory (918 718).
*** The switch is inside the device on the PCB e (see “Figure 26: Location of the DIP switch; symbols for switch position”,
page 54 ).
Table 104: Plug assignments; X5 - M8, 4-pole circular connector - process actual value input; PROFIBUS DP
Connect the Pt 100 sensor via 3 cables for cable compensation reasons.
It is essential to bridge Pin 3 and Pin 4 on the sensor.
english
Type 8792, 8793