Bently Nevada 3500/94 VGA Display Module PWA 145988-01+147663-01
Overview
Bently Nevada 3500/94 VGA Display Module PWA 145988-01+147663-01 belongs to the local display assembly of the 3500 machinery protection monitoring system. This 3500/94 module set delivers an independent VGA visual output channel for the rack, enabling operators to check rack monitoring data on the on-site touchscreen without host software. The 3500/94 PWA 145988-01+147663-01 collects channel data from all monitoring cards installed inside the 3500 rack and supports custom screen configuration. It acts as a commonly adopted local HMI unit for rotating machinery protection systems. This 3500/94 VGA display module cooperates with the 3500 rack backplane and RIM interface module to convert vibration, gap, alarm and event logs into visual interfaces, matching local monitoring demands of critical equipment including steam turbines, gas turbines and wind turbines.
Specifications and Parameters
Part number set: PWA 145988-01 + 147663-01
Model: 3500/94 VGA Display Module
Output interface: Standard VGA signal
Matched display: 10-inch or 15-inch industrial touchscreen
Transmission range with standard cable: Within 6 meters
Maximum transmission range with KVM extender: 10 kilometers
Power supply source: Powered by 3500 rack backplane
Operating temperature range: -20℃ ~ +55℃
Resolution: 640×480
Supported configurable screens: 9 groups of custom layout pages
Compatible rack: Bently Nevada 3500 full-size rack
Configuration tool: 3500 Rack Configuration Software
Protection rating: Module body IP20, touchscreen panel up to IP65
Function Description
3500/94 VGA Display Module PWA 145988-01+147663-01 reads and transmits all monitoring information from the 3500 rack and sends VGA video signals to the paired touchscreen. The module captures real-time channel readings, alarm status, danger thresholds and system event records from the rack, and presents data on the touchscreen through bar charts, value panels and event lists. Site operators can switch preset screens by touch to view shaft vibration, axial displacement, rotational speed and probe gap data. After adding router accessories, a single touchscreen can poll and display data from up to four separate 3500 racks. The 3500/94 will not take part in machinery protection logic calculation. It works only as a visual viewing unit, and protection trip functions are completed independently by other monitoring cards inside the rack.
Main Functions and Features
Show real-time data of vibration, gap, rotational speed and temperature channels
Store and call up system event logs and alarm event records
Include built-in default screens for 1X filtered vibration bar charts and probe gap pages
Support nine custom configured screens arranged by machine train layout
Adopt touch control for on-site checking without laptop connection
Expandable with multi-rack routing function to monitor multiple 3500 racks on one screen
Adopt signal isolation design to reduce electromagnetic interference from industrial sites
Carry out firmware version matching check with rack TDI module version
Deliver proper screen refresh rate to support dynamic monitoring during machine start and stop
Differences Between New Version and Old Version
The early old version of 3500/94 uses green PCB substrate, fails to meet RoHS lead-free requirements and has limited firmware upgrade space, with weak stability for long-distance signal transmission. The updated 3500/94M is the upgraded iteration, equipped with blue lead-free PCB substrate that complies with RoHS standards. It applies updated components and enhanced stability via automatic detection and 3D X-ray inspection procedures. The 3500/94M optimizes communication logic for multi-rack routing, adds touchscreen options with hazardous area certification and maintains continuous firmware updates to fit new releases of 3500 configuration software. PWA 145988-01+147663-01 is the classic old material combination for 3500/94. It differs from 3500/94M in firmware, backplane compatibility and routing protocol, so direct replacement is unavailable. Users need to verify rack TDI module version before upgrading.
Product Characteristics
3500/94 VGA Display Module PWA 145988-01+147663-01 is a slot-mounted board card, which installs directly into spare slots of the 3500 rack. It provides independent VGA video output and will not occupy bandwidth of the system communication bus. Screen configuration is stored locally on the module, and layout settings remain intact after disconnecting from host devices. Three-level status marks including OK, alert and danger are adopted with color coding for alarm grading. It works with intrinsically safe and explosion-proof certified touchscreens to satisfy installation requirements in hazardous zones. The module itself has no protection voting capability and only forwards data for visualization. It supports shielded industrial VGA cables to mitigate signal interference caused by frequency converters and high-power motors.
Advantages
It supports local visualization, allowing inspection staff to read machine status beside the cabinet and reduce reliance on DCS screens in control rooms. Flexible configuration supports custom screen layout by machine train or process section to fit daily operation habits. Multi-rack routing solutions cut the quantity of touchscreens required on site and lower project expenditure. It achieves deep native matching with the 3500 system, delivering low data latency and synchronous readings with monitoring cards. The spare part ecosystem is mature, and many existing 3500 projects deploy 3500/94 PWA 145988-01+147663-01, bringing stable replacement and maintenance plans. Compared with third-party HMI solutions, it requires no extra driver development and cuts communication debugging workload.
Application Scenarios
On-line condition monitoring and local inspection for steam turbines
Local display for gas turbine machinery protection systems
Vibration protection cabinets for fans, compressors and pumps
Monitoring of critical rotating equipment in petrochemical plants
Shaft system monitoring for thermal power and hydropower generator units
Machine monitoring in hazardous zones such as offshore platforms and refineries
On-site data verification during plant overhaul and machine start-stop procedures
Purpose
It serves as local man-machine display hardware for Bently Nevada 3500 machinery protection systems. Maintenance technicians check real-time vibration, displacement and gap data on site, retrieve alarm records and fault events, and track parameter changes during machine start and stop to locate abnormal channels quickly. 3500/94 VGA Display Module PWA 145988-01+147663-01 assists field commissioning, channel verification and fault troubleshooting, acting as an independent local observation window besides control room DCS.
Comparison With Other Products From The Same Brand
The 3500/94 VGA display module focuses on local touchscreen visualization and presents data beside the cabinet, suitable for on-site inspection. 3500/91M communication gateway transmits data via Ethernet for remote access by DCS and SCADA systems. 3500/92 communication gateway outputs Modbus protocol signals to connect traditional PLCs and has no local display function. 3500/22 TDI module is the core rack interface for configuration and System 1 software connection without VGA output. 3500/94 and gateway products complement each other. Many projects combine 3500/94 and 3500/91M to realize local display and remote data upload at the same time.
Matching Product Models For Installation
3500/22 TDI Transient Data Interface Module
3500/15 Power Supply Module
3500/20 Rack Interface Module
3500/40 Proximity Monitor Module
3500/42M Velocity Monitor Module
3500/44M Seismic Monitor Module
3500/45 Temperature Monitor Module
3500/94M Display Router Box
10-inch industrial VGA touchscreen for 3500/94
15-inch industrial VGA touchscreen for 3500/94
Shielded VGA signal cable 161264-01
KVM signal extender
FAQ
Q: Can 3500/94 PWA 145988-01+147663-01 be directly replaced with 3500/94M?
A: Direct replacement is not supported. Differences exist in PCB hardware, firmware and backplane protocol. You need to check TDI version and configuration software version before replacement, and some rack backplanes are incompatible with the new 3500/94M.
Q: Does 3500/94 VGA Display Module PWA 145988-01+147663-01 come with a touchscreen?
A: This part set only contains the VGA display board card. Touchscreen is not included, and you need to select 10-inch or 15-inch matched touchscreen separately.
Q: Will failure of 3500/94 trigger protection trip of the 3500 rack?
A: It will not. The 3500/94 only forwards and displays data and does not join protection logic voting. Module failure will not affect protection output of the machine.
Q: How many 3500 racks can one 3500/94 monitor at most?
A: With router accessories installed, one touchscreen can poll data from up to four independent 3500 racks, and each rack needs supporting router components.
Q: Do I need extra power supply for 3500/94 PWA 145988-01+147663-01 after purchase?
A: No extra power supply is required. The 3500/94 draws power from the 3500 rack backplane, you only need to guarantee normal operation of the rack power module.
Q: Can ordinary PC VGA cables replace the dedicated shielded cable for 3500/94?
A: It is not recommended. Unshielded common cables easily pick up electromagnetic interference and cause screen flicker or signal loss. Shielded VGA cables specified for industrial use are preferred.
Q: Can I edit 3500/94 configuration screens on computer in advance?
A: Yes. You can finish screen layout editing on computer with 3500 Rack Configuration Software and download the configuration to the 3500/94 module for local storage.
Q: Do I need to modify existing monitoring cards when adding 3500/94 to old racks in stock?
A: Normally, existing vibration and displacement monitoring cards stay unchanged. You just install the 3500/94 in an empty slot and complete rack software configuration.
Recommended Product Models From The Same Series
3500/15 Power Supply Module
3500/20 Rack Interface Module
3500/22 TDI Transient Data Interface Module
3500/34 Relay Module
3500/40 Proximity Monitor Module
3500/42M Velocity Monitor Module
3500/44M Seismic Monitor Module
3500/45 Temperature Monitor Module
3500/46M Differential Expansion Monitor Module
3500/50 Tachometer Module
3500/64 Dynamic Pressure Monitor Module
3500/91M EGD Communication Gateway
3500/92 Modbus Communication Gateway
3500/94M VGA Display Module
3500/95 Display Router
