The Bently Nevada 323174-01 is a high-performance, triple-redundant processing module designed for the 3701/55 ADAPT ESD Emergency Shutdown Device system. Operating as part of a standalone safety PLC, it serves as the core processing engine to execute safety critical logic for the emergency shutdown of rotating machinery, including steam, gas, and hydro turbines, expanders, and general process equipment. In a typical triple modular redundant (TMR) architecture, three processing modules operate in parallel to deliver exceptional system reliability and fault tolerance.
The 323174-01 module monitors an expansive array of 32 discrete inputs and 12 process variable analog inputs, ensuring all critical system variables are synchronized across the TMR framework. Each individual processing module directly handles two unique speed inputs, enabling a cumulative system capacity of six speed channels. Field-level application configurations are delivered securely via the Bently Nevada Monitor Configuration software. The module optimizes input-to-output logic solving with a 2ms nominal logic processing time and an 8ms relay toggle time, effectively minimizing the duration between an emergency event detection and system shutdown. Maintenance operations are simplified as all embedded firmware on the module can be fully upgraded without physical system disassembly.
| Part Number | Description |
|---|---|
| 323174-01 | ADAPT ESD CPU Module |
| Parameter | Specification / Value |
|---|---|
| Manufacturer | Bently Nevada (A Baker Hughes Company) |
| Module Type | Processing Module (CPU) |
| Part Number | 323174-01 |
| System Compatibility | 3701/55 ADAPT ESD Emergency Shutdown Device |
| Logic Processing Blocks | Up to 500 blocks |
| Nominal Logic Processing Time | 2 ms |
| Relay Toggle / Transition Time | 8 ms |
| Network Communication Ports | 2 Ports per CPU module (10/100 Mbps Ethernet, TCP/IP) |
| IP Addressing Protocols | Static IP and DHCP |
| Time Synchronization | NTP |
| Configuration Security | Password Protected |
| Recorder Outputs | Two internally powered 4-20 mA outputs per CPU module |
| Operating Temperature | -30 degC to +65 degC (-22 Fahrenheit to +149 Fahrenheit) |
| Storage Temperature | -45 degC to +85 degC (-49 Fahrenheit to +185 Fahrenheit) |
| Relative Humidity | 0% to 95% Non-condensing |
| Vibration Tolerance | 3 g @ 3-57 Hz (Per IEC 60068-1) |
| Mechanical Shock Resistance | 5 g @ 57-500 Hz (Per IEC 60068-1); 15 g for 11 ms Operational & Non-operational (Per IEC 60068-2) |
| Module Weight | 1.2 kg (2.6 lb) |
| Module Dimensions (L x W x H) | 15.8 x 6.1 x 15.8 cm (6.2 x 2.4 x 6.2 in) |
The system terminal base must be mounted vertically with the power supply terminal exiting horizontally to guarantee proper heat dissipation. Maintain a minimum enclosure depth of nine inches (9 in).
Configure the dual Ethernet ports of the module onto two independent subnets to create distinct, redundant data pathways.
For environments containing condensing liquids, moisture, rain, or airborne particles, the system must be installed within an appropriately rated NEMA grade enclosure to safeguard internal hardware from overheating and thermal stress.
Grounding protocols must adhere strictly to Bently Nevada Application Note 013 when linking the chassis and system power supplies to earth ground.
Firmware adjustments and system modifications can be safely applied via network ports without unseating or disassembling the module from its chassis housing.
Certified as a SIL 3 safety device under IEC 61508 Parts 1-7 and IEC 62061-1 standards.
CAN/CSA-C22.2 No. 61010-1-12, UL 61010-1, EU Low Voltage Directive 2014/35/EU, and EN 61010-1.
EU Directive 2014/30/EU, EU 61326-3-1, EN 61000-6-2, and EN 61000-6-4.
cNRTLus Class I, Zone 2: AEx nA nC IIC T4 Gc / Class I, Zone 2: AEx ec nC IIC T4 Gc / Class I, Division 2, Groups A, B, C, D (T4 @ Ta = -30 degC to +65 degC when installed per drawing 100M1872). ATEX/IECEx II 3 G Ex nA nC IIC T4 Gc / Ex ec nC IIC T4/T5 Gc.
EU Directive 2006/42/EC (Machinery Directive).
ABS 2009 Steel Vessels Rules.
RoHS Directive 2011/65/EU and FCC Part 15 Class compliance.
Global Express Shipping
Returns & Warranty
Manufacturer: Bently Nevada
Product No.: 3701/55 323174-01
Country of origin:United States
Product Type: ADAPT ESD Processing Module
Payment: T/T, Western Union
Weight: 1200g
Dimensions: 15.8 x 6.1 x 15.8 cm (6.2 x 2.4 x 6.2 in)
Shipping port: Xiamen
Warranty: 12 months
The Bently Nevada 323174-01 is a high-performance, triple-redundant processing module designed for the 3701/55 ADAPT ESD Emergency Shutdown Device system. Operating as part of a standalone safety PLC, it serves as the core processing engine to execute safety critical logic for the emergency shutdown of rotating machinery, including steam, gas, and hydro turbines, expanders, and general process equipment. In a typical triple modular redundant (TMR) architecture, three processing modules operate in parallel to deliver exceptional system reliability and fault tolerance.
The 323174-01 module monitors an expansive array of 32 discrete inputs and 12 process variable analog inputs, ensuring all critical system variables are synchronized across the TMR framework. Each individual processing module directly handles two unique speed inputs, enabling a cumulative system capacity of six speed channels. Field-level application configurations are delivered securely via the Bently Nevada Monitor Configuration software. The module optimizes input-to-output logic solving with a 2ms nominal logic processing time and an 8ms relay toggle time, effectively minimizing the duration between an emergency event detection and system shutdown. Maintenance operations are simplified as all embedded firmware on the module can be fully upgraded without physical system disassembly.
| Part Number | Description |
|---|---|
| 323174-01 | ADAPT ESD CPU Module |
| Parameter | Specification / Value |
|---|---|
| Manufacturer | Bently Nevada (A Baker Hughes Company) |
| Module Type | Processing Module (CPU) |
| Part Number | 323174-01 |
| System Compatibility | 3701/55 ADAPT ESD Emergency Shutdown Device |
| Logic Processing Blocks | Up to 500 blocks |
| Nominal Logic Processing Time | 2 ms |
| Relay Toggle / Transition Time | 8 ms |
| Network Communication Ports | 2 Ports per CPU module (10/100 Mbps Ethernet, TCP/IP) |
| IP Addressing Protocols | Static IP and DHCP |
| Time Synchronization | NTP |
| Configuration Security | Password Protected |
| Recorder Outputs | Two internally powered 4-20 mA outputs per CPU module |
| Operating Temperature | -30 degC to +65 degC (-22 Fahrenheit to +149 Fahrenheit) |
| Storage Temperature | -45 degC to +85 degC (-49 Fahrenheit to +185 Fahrenheit) |
| Relative Humidity | 0% to 95% Non-condensing |
| Vibration Tolerance | 3 g @ 3-57 Hz (Per IEC 60068-1) |
| Mechanical Shock Resistance | 5 g @ 57-500 Hz (Per IEC 60068-1); 15 g for 11 ms Operational & Non-operational (Per IEC 60068-2) |
| Module Weight | 1.2 kg (2.6 lb) |
| Module Dimensions (L x W x H) | 15.8 x 6.1 x 15.8 cm (6.2 x 2.4 x 6.2 in) |
The system terminal base must be mounted vertically with the power supply terminal exiting horizontally to guarantee proper heat dissipation. Maintain a minimum enclosure depth of nine inches (9 in).
Configure the dual Ethernet ports of the module onto two independent subnets to create distinct, redundant data pathways.
For environments containing condensing liquids, moisture, rain, or airborne particles, the system must be installed within an appropriately rated NEMA grade enclosure to safeguard internal hardware from overheating and thermal stress.
Grounding protocols must adhere strictly to Bently Nevada Application Note 013 when linking the chassis and system power supplies to earth ground.
Firmware adjustments and system modifications can be safely applied via network ports without unseating or disassembling the module from its chassis housing.
Certified as a SIL 3 safety device under IEC 61508 Parts 1-7 and IEC 62061-1 standards.
CAN/CSA-C22.2 No. 61010-1-12, UL 61010-1, EU Low Voltage Directive 2014/35/EU, and EN 61010-1.
EU Directive 2014/30/EU, EU 61326-3-1, EN 61000-6-2, and EN 61000-6-4.
cNRTLus Class I, Zone 2: AEx nA nC IIC T4 Gc / Class I, Zone 2: AEx ec nC IIC T4 Gc / Class I, Division 2, Groups A, B, C, D (T4 @ Ta = -30 degC to +65 degC when installed per drawing 100M1872). ATEX/IECEx II 3 G Ex nA nC IIC T4 Gc / Ex ec nC IIC T4/T5 Gc.
EU Directive 2006/42/EC (Machinery Directive).
ABS 2009 Steel Vessels Rules.
RoHS Directive 2011/65/EU and FCC Part 15 Class compliance.
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
|
Implement a 3-SPST switch XOR light circuit in LogixPro or RSLogix 500 using an internal relay bit. Includes truth tables, boolean equations, and verified.
Integrate Allen-Bradley CompactLogix, Caterpillar ATS, and generators into DeltaV DCS over Modbus RTU. Covers ProSoft MVI69-MCM, Miille DIN266 gateways.
ONS instruction fires but the OTE coil never latches in Studio 5000 because the one-shot is only true for one scan. Use OTL/OTU or seal-in logic instead.
Configure Allen-Bradley Kinetix 5500 servo drives on EtherNet/IP. Covers CIP Sync, IEEE 1588 V2 timing, Stratix selection, DLR topology, and HMI.
A moving-average filter is the sliding-window smoother most instrument engineers drop into DCS and PLC analog paths. Here is how the window works, how N and sample time set lag, and when a...
On Frame 5–9 gas turbines, GE Mark VI and Mark VIe run control as function-block application software. This article maps process, protection, and sequencing functions—and what Toolbox ST access...
