3701/55 ADAPT ESD
323174-01 is the CPU module used in the 3701/55 ADAPT ESD emergency-shutdown system.
Bently Nevada 323174-01 3701/55 ADAPT ESD CPU Module
Bently Nevada 323174-01
3701/55 ADAPT ESD CPU Module
TMR Protection Processing
Brand Name:
Bently Nevada
Model Number:
323174-01
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Product Details
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Bently Nevada 323174-01
,3701/55 ADAPT ESD CPU Module
,TMR Protection Processing
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Product Description
INDUSTRIAL AUTOMATION SPARE
Bently Nevada 323174-01 3701/55 ADAPT ESD CPU Module
A CPU module for the 3701/55 ADAPT ESD triple-redundant emergency-shutdown system, processing speed, analog and discrete inputs plus user-configured protection logic.
Type
Emergency-shutdown CPU module
System
3701/55 ADAPT ESD
Focus
TMR processing · speed inputs · logic
Brand
Bently Nevada
SYSTEM INTEGRATION
System Fit & Selection
TMR architecture
Three CPU modules process the discrete and analog inputs; each CPU processes two speed inputs.
Configuration capacity
The system supports up to 500 user-logic steps with redundant Ethernet communication.
SPECIFICATIONS
Technical Specifications
Part number
323174-01
Module type
ADAPT ESD CPU Module
System
3701/55 ADAPT ESD
Architecture
Three CPU modules in a triple-redundant system
Speed inputs
2 per CPU; 6 per system
Discrete inputs processed
32 per system
Analog inputs processed
12 configurable per system
User logic capacity
Up to 500 steps
Nominal logic processing time
2 ms
Internal recorder outputs
Two powered 4–20 mA outputs per CPU
Ethernet
Redundant Ethernet on each CPU; six 10/100 Mbps ports per system
Networking
TCP/IP with DHCP or static addressing; LAN or WAN operation
Time synchronization
NTP supported
Module dimensions
15.8 × 6.1 × 15.8 cm
Approximate module weight
1.2 kg
System input power
18 to 36 Vdc
System power consumption
24 W typical; 35 W maximum
System operating temperature
-30 to +65 °C
System storage temperature
-45 to +85 °C
System humidity
0 to 95% relative humidity, non-condensing
Functional safety
3701/55 ADAPT ESD is certified as a SIL 3 device to IEC 61508 Parts 1–7
FIELD SUPPORT
Applications & Fault Scenarios
CPU or system NOT OK indication
First check
Review module and system diagnostics, input power, configuration status and redundant network health under the site safety procedure.
Downtime risk
An impaired protection processor can reduce shutdown-system availability and requires controlled response.
Speed input leaves its OK range
First check
Check the assigned input signal path and configured speed channel before changing trip logic.
Downtime risk
A missing or invalid overspeed input can cause a spurious trip or weaken protection coverage.
Configuration differs between service records and the running system
First check
Stop unauthorized changes and reconcile the stored logic, version and network settings through management of change.
Downtime risk
Uncontrolled logic differences create serious false-trip or failure-to-trip risk.
AMIKON SUPPORT
About Amikon & Service Support
Amikon supports independent sourcing and fulfillment for industrial automation spare parts.
01
Order Review
We check part number, quantity, destination and required date.
02
Inspection & Testing
Identity and condition checks follow the agreed order.
03
Packing & Dispatch
Packing and shipment details are prepared for the destination.
04
After-sales Support
DOA, returns and warranty support follow the agreed sales terms.
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Procurement note
These 30 models are independent procurement references only. They are not replacements for 323174-01. Compatibility, configuration and inventory must be checked separately for every request.
REQUEST A QUOTE
RFQ Details & Direct Contact
Please include
- Part Number
- Quantity
- Destination
- Required Date
- Machine / System Model
BUYER QUESTIONS
Frequently Asked Questions
Match the part number, record the installed CPU position, preserve the current site logic version, and label the network and field connections.
Review module diagnostics, input power, configuration status, speed-input health and both Ethernet paths.
The 3701/55 ADAPT ESD uses three CPUs for triple-modular-redundant processing of the protection inputs and logic.
Preserve the current site logic file and version, then restore and validate it under the site safety procedure before returning the system to service.
Record the IP addressing method, redundant subnet connections, NTP settings and the current system configuration.
Include the complete part number, quantity, destination, required date, 3701/55 system details and the installed CPU position.
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