HP-25 PROFIBUS Cable Tester

This small handheld device checks for the most frequently found cable connection faults seen with PROFIBUS DP wiring between pairs of 9-pin D-sub PROFIBUS plugs and over daisy chained PROFIBUS cables. Connection Checks Software checks for and reports open lines, short circuits between cores, shorts between screen and cores, and crossed connections. These failure types are reported on a red background with sound signal and text details shown on the front panel color display. Correct connection test results are reported on a green screen with a different sound signal. The number of activated terminator switches detected on the tested cable are also shown. Detection of 3 or more terminators is reported as a fault. All fault reports are emphasized by display of associated conductor color information, showing green background for A line, red background for the B line and black for the cable screen/shield. Test Tone Signals The HP-25 allows test tone output onto the PROFIBUS A line, potentia