The Dual-channel Tachometer Module from the Bently Nevada 3500 Series is designed for real-time shaft speed, rotor acceleration, and direction monitoring. It accepts signals from proximity or magnetic sensors and compares measured values against programmable alarm setpoints.
Technical Specifications
Module Assembly: 3500/50-01-00
Front Panel: 288062-02
I/O Module: 133442-01 (Internal Termination)
Channels: 2 independent tachometer inputs
Sensor Compatibility:
Eddy current proximity probes (e.g., 3300 XL 8 mm)
Magnetic pickups
Input Signal Range: +10.0 V to –24.0 V
Input Impedance Options:
20 kΩ (standard)
40 kΩ (TMR configuration)
7.15 kΩ (with internal barriers)
Output Impedance: 550 Ω
Frequency Range: 24 Hz to 68 kHz
Bandwidth: 30 kHz
Accuracy: ±20 RPM
Peak Hold Function: Stores max speed, reverse speed, or reversal count
Threshold Voltage:
Auto: ≥1 V peak-to-peak
Manual: +9.5 V to –23.5 V (min 0.5 V peak-to-peak)
Hysteresis Voltage: 0.2 V to 2.5 V (user-selectable)
Power Consumption: 5.8 W typical
Status LEDs: OK, TX/RX, Bypass
Mounting: 3500 rack slot (slots 2–15)
Operating Temperature: –40°C to +70°C
Storage Temperature: –40°C to +85°C
Humidity: 5–95% RH non-condensing
Compliance: CE, UL
Country of Origin: USA
Functional Highlights
Real-time speed, acceleration, and direction monitoring
Programmable alarm setpoints and speed band alarms
Zero-speed and reverse rotation detection
Peak hold and resettable historical data
Keyphasor signal output to rack backplane
Eliminates need for separate Keyphasor module
Internal termination simplifies wiring
Compatible with 3500 Configuration Software
Supports redundant power and rack configurations
Ordering Information
Monitor Module: 3500/50-01-00
Front Panel: 288062-02
I/O Module: 133442-01 (Internal Termination)
Configuration Options:
A: I/O Type 01 = Internal Termination
B: Approvals 00 = None
C: Function 01 = Tachometer
Firmware Requirement: Version 1.05E or later
Mounting: 3500 rack slot (non-adjacent to 3500/53 modules)
Answer 1: PLC DCS Pro Ltd. collaborates with over 50 countries worldwide. As a leading supplier in China, we can provide significant discounts to customers based on market demand.
Question 2: What Is The Warranty Period?
Answer 2: We offer a standard one-year warranty for all new and original items.
Question 3: What Payment Methods Do We Accept?
Answer 3: We accept 100% T/T (Telegraphic Transfer) before shipping. For items with a lead time, a 30% deposit is required in advance, with the remaining 70% balance due before shipping. If you have an agent in China, please contact us for RMB transfer.
Question 4: What Shipping Methods Do We Use?
Answer 4: We primarily utilize carriers such as FedEx, DHL, UPS, BRE, etc. If you have an account with any of these carriers, you can arrange the shipping yourself. Additionally, we offer free shipping to China freight forwarders.
Question 5: What Is Our Delivery Time?
Answer 5: Typically, delivery takes around 1-3 days after receiving the advance payment. For items with a quoted lead time, delivery will occur as per the specified lead time.
Question 6: How Do We Package The Goods?
Answer 6: Our packaging process involves multiple layers of protection. Initially, the product is placed in its original box, sealed with a label. Then, we add a layer of bubble wrap to safeguard against collisions during transportation. Finally, all products are securely packed in sturdy boxes for further protection.
Question 7: How Can Customers Contact Us And Request A Quote?
Answer 7: Customers can inquire via email, WhatsApp, WeChat, Skype, or any preferred communication platform. Simply reach out to us, and we'll promptly provide a quote tailored to your needs.
Warranty Conditions
At PLC DCS Pro Ltd., we are committed to ensuring the quality of our products. Our one-year warranty provides coverage for any defects in material or workmanship, excluding damages caused by deliberate misuse.
🛡️Coverage Details:
This warranty encompasses all instances of product malfunction or failure due to inherent manufacturing flaws, with the exception of intentional damage.
📝Claim Process:
To avail of warranty services, please notify us of any quality-related issues within the warranty period. We may conduct online troubleshooting and examination as needed.
🚚Shipping Assistance:
We understand the importance of prompt service. Therefore, we cover return shipping costs for warranty-related returns within the first month of supply. Within three months of supply, we cover one-way shipping costs for warranty-related returns. After three months, the customer is responsible for shipping costs both ways.
🚫Exclusions:
Unauthorized modifications, repairs, or misuse of the product.