- Vibration monitoring systems: Connects proximity probes to monitoring modules.
- Turbine and compressor protection: Ensures accurate signal transmission in rotating machinery.
- Power plants: Supports continuous condition monitoring of critical assets.
- Oil & gas facilities: Enables reliable data flow in harsh environments.
Industrial automation: Integrates sensors with control and diagnostic systems.
Specific Application
- Interconnecting link between a bearing housing velocity transducer and a remote junction box located exactly 12 feet away.
- Absolute casing velocity signal routing from a hydroelectric turbine stator frame to a dedicated termination panel.
- Industrial monitoring hookups where terminal strips mandate pre-installed ring lugs for secure electrical clamping.
System Compatibility & Alternative Models
- System Compatibility: Fully compatible with Bently Nevada 330505 low frequency velocity sensors, standard terminal strip junction panels, and 3500/46M Hydro Monitor rack modules.
- Alternative Model: 84661-12
- Key Differences: The 9571-12 is an unarmored standard interconnect cable optimized for clear wire paths within enclosed cable trays. Conversely, the 84661-12 is an armored variant featuring an integrated flexible stainless steel outer armor overlay designed to withstand harsh physical crushing forces, sharp edge cuts, and heavy field abrasion.
Installation & Troubleshooting FAQ
Q1: What is the recommended terminal block screw torque for securing the 9571-12 ring lugs?
A: When wiring the flush-cut ring lug termination ends into the 3500 rack or monitor panel terminal strips, tighten the terminal screws to a standard torque of 0.56 N·m (5 in·lb). Loose terminal blocks cause erratic signal spikes, while over-tightening can strip the casing threads or fracture the thin copper wire strands inside the crimped collar.
Q2: My velocity readings show intermittent open-circuit errors during ambient temperature swings. What is the cause?
A: This behavior points to mechanical wire fatigue or terminal connection corrosion. Check the 9571-12 operating environment to verify it stays between the rated limits of -29 to 121°C (-20 to 250°F), ensure no sharp structural bends fall under a 25.4 mm radius, and spray the connector interfaces with contact cleaner to strip localized oxidation.
Q3: How do I ground the internal shield layer of the 9571-12 cable assembly correctly?
A: To prevent noisy grounding loops, connect the internal green shield drain wire exclusively to the designated instrument ground terminal at the monitor or junction box end. Leave the shield completely ungrounded, insulated, and floating at the transducer connector end so high-frequency electromagnetic noise vents away from the sensor electronics.
Cable Part Numbers
| Part number |
Description |
| † NOTE: Use ‘AA’ in the part numbers below to specify the length (in feet) of the cable you want to order. |
| 02173034 |
Splash-Proof Interconnect Cable
Recommended for high electromagnetic noise environment and European Conformance (CE).
Shielded 0.382 mm2 (22 AWG) cable with a splash proof boot over a female connector at the transducer end and flush cut at the monitor end. Temperature range -55 to 125°C (-67 to 257°F).
|
| CB2W100- AAA† |
Splash-Proof Interconnect Cable
Shielded 0.382 mm2 (22 AWG) cable with splash proof over molded boot, blunt cut at the monitor end. Temperature range -50 to 200°C (-58 to 392°F).
Standard lengths:
01515 ft (4.5 m)
03232 ft (9.8 m)
06464 ft (19.5 m)
112112 ft (34.1 m)
125125 ft (38.1 m)
150150 ft (45.7 m)
200200 ft (61.09 m)
|
| 9571-AA† |
Standard Interconnect Cable
Shielded 0.382 mm2 (22 AWG) cable with a moisture resistant female connector at the transducer end and ring lugs at the monitor end. Temperature range -29 to 121°C (-20 to 250°F).
Minimum length 2 ft (0.60 m);
maximum length 99 ft (30 m).
|
| 84661-AA† |
Standard Armored Interconnect Cable
Stainless steel armor over shielded 0.382 mm2 (22 AWG) cable with a moisture resistant female connector at the transducer end and ring lugs at the monitor end. Temperature range -29 to 121°C (-20 to 250°F).
|
| 89477-AA† |
Right Angle Interconnect Cable
Shielded 0.963 mm2 (18 AWG) cable with a moisture resistant right angle female connector at the transducer end and ring lugs at the monitor end. Temperature range -29 to 121°C (-20 to 250°F).
Minimum length 2 ft (0.6 m);
maximum length 99 ft (30 m).
|
| 122129-AA† |
Short Run Interconnect Cable
Shielded 0.963 mm2 (18 AWG) cable with a moisture resistant female connector at the transducer end and ring lugs at the monitor end. Temperature range -29 to 121°C (-20 to 250°F).
Minimum length 6 in (152 mm);
maximum length 24 in (610mm).
|
| 02173006 |
0.963 mm2 (18 AWG) Bulk Cable
Shielded twisted pair. Same cable as used on 89477-AA and 122129-AA. Specify number of feet.
|
| 02173007 |
0.382 mm2 (22 AWG) Bulk Cable
Shielded twisted pair. Same cable as used on 9571-AA and 84661-AA. Specify the number of feet. The maximum length that should be used with the transducer is 305 m (1000 ft)
|
| 00502025 |
Spare Connector
Same connector as used on 9571-AA and 84661-AA
|
| 101212-01 |
Right Angle Connector
Right angle connector kit. Same connector as used on 89477-AA.
|
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