To track the exact dynamic displacement of piston rods in reciprocating compressors, the Bently Nevada 176449-08 functions as a highly specialized I/O module within the 3500 Machinery Protection System. This module interfaces directly with the 3500/72M Reciprocating Compressor Rod Position Monitor, processing signal inputs from proximity probes and seismic transducers to ensure precise tracking of rod runout and position. By offering internal termination capabilities, this unit simplifies cabinet wiring and eliminates the need for external termination blocks, directly improving signal integrity and reducing installation footprints in critical petrochemical and gas processing plants.
| Parameter | Value / Specification |
|---|---|
| Manufacturer | Bently Nevada (Baker Hughes) |
| Part Number | 176449-08 |
| Compatible Monitor Module | 3500/72M Reciprocating Compressor Monitor |
| Termination Type | Internal Termination |
| Input Channels | 4 Channels (Proximitor / Seismic) |
| Power Consumption | Host rack powered (nominal backplane draw) |
| Operating Temperature Range | -30 to +65 Celsius |
| Storage Temperature Range | -40 to +85 Celsius |
| Humidity Limits | 95% non-condensing relative humidity |
| Country of Origin | United States |
| Shipping Weight (Calculated) | 3.0 kg (6.6 lbs) |
| Package Dimensions (Calculated) | 28.5 x 19.0 x 6.5 cm |
The internal termination card provides a series of dedicated terminal blocks designed for secure field-wire attachment. Below is the typical pinout configuration layout for the input channels:
| Terminal Terminal Group | Label Name | Signal Assignment / Function |
|---|---|---|
| Channel 1 Block | -24V | Transducer Power Output (Channel 1) |
| SIG | Signal Input (Channel 1) | |
| COM | Signal Common (Channel 1) | |
| Channel 2 Block | -24V | Transducer Power Output (Channel 2) |
| SIG | Signal Input (Channel 2) | |
| COM | Signal Common (Channel 2) | |
| Channel 3 Block | -24V | Transducer Power Output (Channel 3) |
| SIG | Signal Input (Channel 3) | |
| COM | Signal Common (Channel 3) | |
| Channel 4 Block | -24V | Transducer Power Output (Channel 4) |
| SIG | Signal Input (Channel 4) | |
| COM | Signal Common (Channel 4) | |
| Chassis Ground | SHLD | Shield Terminal (Internal Ring Connection to Rack Ground) |
The 176449-08 is designed specifically for standard internal termination setups. It is not directly interchangeable with external termination (ET) versions (such as the 176449-01 through 176449-07 variations) unless you also replace the external terminal block and connection cables. Always verify the module suffix matched on the existing chassis slot card before installation to avoid channel mismatched configuration faults in the 3500/72M monitor.
When utilizing this module for reciprocating rod runout measurements, ensure that the proximity probe target areas on the piston rods are completely free of surface scratches, mechanical runout, and electrical runout. Ground loops are a common source of signal distortion; transducer shields must be grounded only at the 3500 rack ground terminals on the 176449-08 I/O card and cut back and isolated at the machine junction box.
Use 3-wire shielded, twisted-pair cable for all transducer runs back to the I/O module. After installation, verify the DC gap voltage utilizing the 3500 Rack Configuration Software before commissioning. An incorrect transducer setting or a misaligned physical sensor gap will trigger a "NOT OK" channel status light on the front panel of the corresponding 3500/72M monitor card.
CRITICAL WARNING
Always verify that the 3500 monitor rack is fully de-energized or the specific monitor channel has been bypassed and bypassed outputs are locked out before inserting or removing the I/O module. Direct hot-swapping under active process trip loops can cause catastrophic machinery shutdown signals to the Distributed Control System (DCS) or Safety Instrumented System (SIS).
Global Express Shipping
Returns & Warranty
Manufacturer: Bently Nevada
Product No.: 176449-08
Country of origin:United States
Product Type: Rod Position Monitor Modules
Payment: T/T, Western Union
Weight: 320g
Dimensions: 28.5 x 19.0 x 6.5 cm
Shipping port: Xiamen
Warranty: 12 months
To track the exact dynamic displacement of piston rods in reciprocating compressors, the Bently Nevada 176449-08 functions as a highly specialized I/O module within the 3500 Machinery Protection System. This module interfaces directly with the 3500/72M Reciprocating Compressor Rod Position Monitor, processing signal inputs from proximity probes and seismic transducers to ensure precise tracking of rod runout and position. By offering internal termination capabilities, this unit simplifies cabinet wiring and eliminates the need for external termination blocks, directly improving signal integrity and reducing installation footprints in critical petrochemical and gas processing plants.
| Parameter | Value / Specification |
|---|---|
| Manufacturer | Bently Nevada (Baker Hughes) |
| Part Number | 176449-08 |
| Compatible Monitor Module | 3500/72M Reciprocating Compressor Monitor |
| Termination Type | Internal Termination |
| Input Channels | 4 Channels (Proximitor / Seismic) |
| Power Consumption | Host rack powered (nominal backplane draw) |
| Operating Temperature Range | -30 to +65 Celsius |
| Storage Temperature Range | -40 to +85 Celsius |
| Humidity Limits | 95% non-condensing relative humidity |
| Country of Origin | United States |
| Shipping Weight (Calculated) | 3.0 kg (6.6 lbs) |
| Package Dimensions (Calculated) | 28.5 x 19.0 x 6.5 cm |
The internal termination card provides a series of dedicated terminal blocks designed for secure field-wire attachment. Below is the typical pinout configuration layout for the input channels:
| Terminal Terminal Group | Label Name | Signal Assignment / Function |
|---|---|---|
| Channel 1 Block | -24V | Transducer Power Output (Channel 1) |
| SIG | Signal Input (Channel 1) | |
| COM | Signal Common (Channel 1) | |
| Channel 2 Block | -24V | Transducer Power Output (Channel 2) |
| SIG | Signal Input (Channel 2) | |
| COM | Signal Common (Channel 2) | |
| Channel 3 Block | -24V | Transducer Power Output (Channel 3) |
| SIG | Signal Input (Channel 3) | |
| COM | Signal Common (Channel 3) | |
| Channel 4 Block | -24V | Transducer Power Output (Channel 4) |
| SIG | Signal Input (Channel 4) | |
| COM | Signal Common (Channel 4) | |
| Chassis Ground | SHLD | Shield Terminal (Internal Ring Connection to Rack Ground) |
The 176449-08 is designed specifically for standard internal termination setups. It is not directly interchangeable with external termination (ET) versions (such as the 176449-01 through 176449-07 variations) unless you also replace the external terminal block and connection cables. Always verify the module suffix matched on the existing chassis slot card before installation to avoid channel mismatched configuration faults in the 3500/72M monitor.
When utilizing this module for reciprocating rod runout measurements, ensure that the proximity probe target areas on the piston rods are completely free of surface scratches, mechanical runout, and electrical runout. Ground loops are a common source of signal distortion; transducer shields must be grounded only at the 3500 rack ground terminals on the 176449-08 I/O card and cut back and isolated at the machine junction box.
Use 3-wire shielded, twisted-pair cable for all transducer runs back to the I/O module. After installation, verify the DC gap voltage utilizing the 3500 Rack Configuration Software before commissioning. An incorrect transducer setting or a misaligned physical sensor gap will trigger a "NOT OK" channel status light on the front panel of the corresponding 3500/72M monitor card.
CRITICAL WARNING
Always verify that the 3500 monitor rack is fully de-energized or the specific monitor channel has been bypassed and bypassed outputs are locked out before inserting or removing the I/O module. Direct hot-swapping under active process trip loops can cause catastrophic machinery shutdown signals to the Distributed Control System (DCS) or Safety Instrumented System (SIS).
Global Express Shipping
Returns & Warranty
Orders are processed and delivered Monday-Friday (excluding public holidays).
For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .
| Country of origin |
United States
|
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