PROFIBUS Diagnostic Connector, 90° Fast Connect

The PROFIBUS Diagnostic Connector 90° Fast Connect is a shielded, non-reactive bus connector with an integrated PG/service interface, designed to provide permanent diagnostic and programming access at any PROFIBUS node without interrupting bus communication. Where installations require a reliable connection point for handheld testers, monitoring equipment, or programming devices, this connector delivers that access alongside real-time bus status visibility through four integrated LEDs.

Compatible with the PB-Q ONE, PROFtest II XL, and PROFIBUS-INspektor® NT, the connector meets Fast Connect requirements and supports all standard PROFIBUS baud rates from 9.6 kbps to 12 Mbps.

Key Features
Four integrated status LEDs (Power, TxD, Termination, Error) that provide immediate visual indication of bus conditions directly at the connection point. The Error LED specifically signals reflections and missing terminating resistors — common causes of intermittent PROFIBUS faults that are otherwise difficult to localize without test equipment.

Integrated terminating resistor switchable via external sliding switch, allowing segment termination to be enabled or disabled without opening the housing or disconnecting the cable. This simplifies segment configuration during commissioning and troubleshooting.

90° cable outlet with IDC insulation piercing terminal for Fast Connect PROFIBUS cable, enabling tool-free cable termination and reducing installation time compared to screw-terminal alternatives. The 90° outlet suits confined cabinet installations where axial cable routing is not practical.

Fully shielded zinc die cast housing that provides mechanical protection and EMC integrity at the connection point, maintaining signal quality in high-noise industrial environments typical of drives, motors, and welding equipment.

Wide operating temperature range of -20 °C to +75 °C, covering standard industrial installation environments including unheated enclosures and outdoor-rated cabinets.

Common Applications
Commissioning access points on new PROFIBUS installations, providing a built-in interface for connecting diagnostic tools during segment verification and signal quality assessment before the system goes into production.

Permanent diagnostic connection points on production lines where maintenance teams need recurring access for scheduled checks or rapid troubleshooting without modifying the segment wiring.

Programming interface for connecting laptops or field PGs to a live PROFIBUS segment. For non-reactive connection of programming devices, use with an Active Programming Cable (APKA or APKA II) is recommended.

Segment termination with status confirmation on end-of-segment nodes, where the integrated Error LED provides ongoing visual verification that termination is active and functioning correctly.

Technical Specifications
-Baud rate: 9.6 kbps to 12 Mbps
-Interface: 9-pin sub-D
-Cable outlet: 90°
-Bus connection: IDC insulation piercing terminal (Fast Connect)
-Terminating resistor: Integrated, external sliding switch
-Supply voltage: 4.75–5.25 VDC (Pin 5: GND, Pin 6: +5V)
-Current draw: 10–30 mA
-Operating temperature: -20 °C to +75 °C
-Protection rating: IP20
-Dimensions (H × W × D): 66 × 15.8 × 40 mm
-Weight: Approx. 80 g
-Housing: Zinc die cast
-Max. fastening torque: 0.02 Nm

The PROFIBUS Diagnostic Connector 90° Fast Connect gives commissioning engineers and maintenance teams a permanently installed, status-visible access point at every PROFIBUS node — keeping diagnostic and programming connections available without any impact on bus operation.

Learn more here: https://indusolamerica.com/profibus/profibus-diagnostic-connector-90-fast-connect-110050006/