Koch PxtRX, Operating Manual

Page: 63 / 76

Operating manual PxtRX active energy management device
V1.1DE/EN
23
5 Commissioning
English
5.2.3 Connecting the K-Bus communication interface (X2)
The K-Bus communication interface is used to exchange data between the devices of
the PxtRX active energy management device.
Connectable
conductors:
• Rigid conductor cross-section: 0.2 mm²…1.5 mm².
• Flexible conductor cross-section: 0.2 mm²…1.5 mm².
• Conductor cross-section according to AWG: 24…16.
• Flexible conductor cross-section with wire end ferrule without plastic sleeve:
0.25 mm²…1.5 mm².
• Flexible conductor cross-section with wire end ferrule with plastic sleeve:
0.25 mm²…0.75 mm².
• Mandrel gauge a × b / diameter: 2.4 mm × 1.5 mm / Ø 1.6 mm.
• Stripping length: 10 mm.
Fig. 12: Connector X2
Pin Signal Description

K_V+ External power supply (option)
2 K_H K-Bus signal (dominant high)
3 K_SHLD Screen (option)
4 K_L K-Bus signal (dominant low)
5 GND Earth (of pin 1)
