PART NUMBER SEARCH
AMIKONG EXCESS CONTROL SYSTEM PARTS
Specializing In:Automation Spares(DCS, PLC, CNC) Servo Drives HMI Power supplies Controllers
-
Please try to be as accurate as possible with your search.
-
We can quote you on 1000s of specialist parts, even if they are not listed on our website.
-
We can't find any results for “”.
SEE PRODUCTS IN SEARCH PAGE ()
In Stock
Fast Shipping Available
· Product image is representative; revision or series may vary. Contact us to request a specific version.
- Customs & Documentation
- We prepare clear, order-specific documentation for every international shipment, including the commercial invoice, packing list and available product or compliance documents. Before dispatch, our logistics team confirms the consignee details, declared value, shipping terms and destination requirements with you. Tracking information is provided after shipment, helping your team prepare for import clearance with confidence.
Documents checked before dispatch · Shipment details confirmed · Global tracking provided
- Payment
- Payment is by bank wire only in RMB/CNY, GBP, EUR or USD. Amikon does not accept credit cards or provide credit terms. Cleared payment is required before shipment unless the written quotation expressly states otherwise.
- Product Condition
- Factory New These are new and current items that are procured directly from the manufacturer.
New In Sealed Package Parts are new. They have not been used and still have their original package seal intact.
New in Original Package These parts are new. The packages were not originally sealed by their original manufacturer.
-
20+
years in automation -
ISO 9001
certified quality system -
12 months
amikon warranty -
2-hour reply
from your account manager -
Success Story
solutions in action
-
Please try to be as accurate as possible with your search.
-
We can quote you on 1000s of specialist parts, even if they are not listed on our website.
-
We can't find any results for “”.
SEE PRODUCTS IN SEARCH PAGE ()
PRODUCT DESCRIPTION
PI3381 TMR pulse input module for the Trident safety system
Triconex PI3381 is a TMR pulse input module used with the Trident safety system. The complete order reference identifies the required hardware and must be matched to the installed chassis, baseplate, cable or field termination.
Manufacturer documentation lists the applicable electrical, signal and installation characteristics. Verify the nameplate, hardware revision, connector layout and project records before replacement.
Manufacturer documentation lists the applicable electrical, signal and installation characteristics. Verify the nameplate, hardware revision, connector layout and project records before replacement.
BEFORE YOU BUY
Confirm the complete installed configuration
ACTUAL APPLICATIONS
Application context for PI3381
Manufacturer documentation places the Pulse Input Module in practical safety applications. The three cases below describe different operating tasks in which PI3381 performs its documented product-family role with the configured companion equipment.
- 01 · POWER GENERATION
Protect fuel-gas isolation during confirmed fuel-system trip
Across the gas-pressure signals and double-block valves, PI3381 operates in its approved product-family role as a Pulse Input Module. During confirmed fuel-system trip, the system uses this function to close the documented isolation path, helping it stop fuel flow to the protected equipment. - 02 · OIL & GAS
Protect fire-and-gas response with Pulse Input
As part of the detectors, alarms and mitigation outputs, PI3381 provides its specified system function as a Pulse Input Module. During validated detector voting, the system uses this function to initiate the specified alarms and mitigation actions, helping it coordinate the documented emergency response. - 03 · CHEMICAL & PETROCHEMICAL
Observe toxic-feed isolation with Pulse Input
For the coordinated operation of the feed measurements and emergency valves, PI3381 performs its assigned control role as a Pulse Input Module. During loss of containment indication, the system uses this function to isolate the hazardous feed through the defined outputs, helping it limit further hazardous inventory.
Technical specifications for PI3381
-
Product ModelPI3381
-
Product ParametersPulse input module
-
In stock1 unit
-
ManufacturerInvensys
-
Module TypeTMR pulse input module
-
Input Points6 channel-isolated inputs
-
Input CircuitDifferential, commoned ground
-
Sensor CompatibilityMagnetic, active and open collector
-
Maximum Operating Voltage±33 V DC
-
Differential Sensitivity500 mV peak-to-peak above 2 Hz
-
Single-ended Sensitivity1 V peak-to-peak above 2 Hz
-
Speed Range0–32,000 RPM
-
Frequency Range0.5 Hz–32 kHz
-
Duty Cycle20–80% or 10 µs minimum pulse
-
Maximum Slew Rate4,000 Hz/s with 60 gear teeth
-
Gear Teeth Setting1–255
-
Resolution24 bits
-
High-range Accuracy±0.01% from 2–32 kHz
-
Minimum Update Rate20 ms
View all additional
SYSTEM & REPLACEMENT CHECK
Information needed before ordering
Three direct checks to secure your system integration and minimize ordering risks.
Information
System integration
Replacement check
Manuals & support
SYSTEM CONFIGURATION
Match PI3381 to the installed Triconex configuration
Triconex PI3381 is a TMR pulse input module for the Trident safety system. Verify the complete product identity and controller generation before integration.
Match all mating modules, baseplates, termination panels, cables, field power and signal assignments. Preserve approved project records.
Complete the manufacturer-recommended diagnostics and site functional test after installation.
Features:
- Exact product identity: PI3381
- Product class: TMR pulse input module
- Model-specific values listed in the specifications
The Triconex PI3381 requires its ratings, wiring and installed configuration to be checked before system integration and commissioning.
INTERCHANGEABILITY
Verify the full replacement identity before commissioning
Replace Triconex PI3381 only after matching the complete order reference, hardware revision, connector or terminal arrangement and installed function.
Record the existing slot, cable and field-terminal labels before removal. Transfer only configuration data approved for the exact hardware and project.
After installation, verify power, communications, every connected point, alarm response and the complete safety function.
Features:
- Match the complete PI3381 identifier
- Compare revision, connectors and mating hardware
- Test diagnostics and field operation before service
The Triconex PI3381 requires replacement verification against the installed hardware and project documentation.
DOCUMENTATION STATUS
Browse the Manuals, Datasheets, Official Documents, Links
Important Notice: Available documents must be matched to the complete PI3381 identity, installed system and applicable revision.Features:
- Model-specific data sheet prepared for PI3381
- Manufacturer guide reference identified before order
- Installation steps follow Triconex maintenance controls
Documentation for Triconex PI3381 must match the installed system and revision; confirm manual availability in the written quotation.
Also searched as
Important notice
Manuals, software, firmware, cables, calibration data and accessories are included only when listed in the quotation. AMIKON is an independent supplier and is not affiliated with or authorised by the manufacturer.
This content has been produced using multiple sources. Takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
BUYER INFORMATION
Commercial terms without hidden steps
Your written quote confirms the product identity, price, availability, lead time, warranty and shipping terms before payment.
- 01
Shipping & delivery
- DispatchEligible stock: same / next day
- CarriersDHL, FedEx or UPS
- Ship fromXiamen, China
- Packed size4.3 × 18.8 × 21.8 cm
- Shipping weight1.4 kg
- 02
Payment & customs
- PaymentBank transfer (T/T)
- CurrenciesUSD · EUR · GBP · RMB
- Credit cardsNot accepted
- HS reference8538900000
- OriginUnited States
- 03
Warranty & returns
- Warranty12 months from AMIKON
- InspectionLabel, condition and packing checks
- ReturnsPrior RMA authorisation required
- CompatibilityConfirm before order
- OEM warrantyDoes not apply
Your written quote confirms the product identity, price, availability, lead time, warranty and shipping terms before payment.
Part checked
Full suffix recordedCondition checked
Label and appearancePacking checked
Antistatic protectionTracking supplied
Established couriersSandy Lin
Dedicated account manager · 15+ years
FREQUENTLY ASKED QUESTIONS
Questions buyers ask about PI3381
Direct answers about identity, compatibility, stock, warranty, payment and shipping.
-
How should Sensor Compatibility be interpreted when selecting PI3381?
For PI3381, the manufacturer reference states Sensor Compatibility as Magnetic, active and open collector; use that value with the complete nameplate and installed system. -
What installation decision is controlled by Differential Sensitivity on PI3381?
Plan the PI3381 connection around 500 mV peak-to-peak above 2 Hz for Differential Sensitivity, then verify its mating hardware and terminal assignment before installation. -
Which commissioning check confirms the stated Speed Range for PI3381?
On PI3381, measure or diagnose the applicable channel and confirm it agrees with 0–32,000 RPM, the documented Speed Range for this hardware. -
Why must maintenance staff verify Duty Cycle before replacing PI3381?
A mismatch in Duty Cycle can change PI3381 compatibility or field behavior; the required reference for this product is 20–80% or 10 µs minimum pulse. -
What field condition must remain within the Gear Teeth Setting specification for PI3381?
Keep the circuit connected to PI3381 within 1–255 for Gear Teeth Setting and investigate any reading outside the manufacturer specification. -
How does the published High-range Accuracy affect wiring or system compatibility for PI3381?
The PI3381 High-range Accuracy entry is ±0.01% from 2–32 kHz; apply it when checking cables, baseplates, field power and the approved project configuration. -
What record should be compared with the Module Type value before PI3381 is energised?
Before powering PI3381, compare the site drawing, nameplate and maintenance record against TMR pulse input module for Module Type. -
Which post-installation test relates directly to Input Circuit on PI3381?
After installing PI3381, test the related point, port or circuit against Differential, commoned ground, then record the Input Circuit result.
READY TO VERIFY YOUR PART?
Get a PI3381 quote with price, lead time and revision check.
Trusted by 5,000+ plants worldwide | Backed by our vast inventory of top-tier control parts, drives and servo motors, fast shipments are dispatched to cover your urgent needs. ABOUT US >>
Disclaimer: Amikon Limited sells new and surplus products and develops channels for purchasing such products. Amikon Limited is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because Amikon Limited is not an authorized distributor of this product, the Original Manufacturer's warranty does not apply. Amikon Limited is not an authorized distributor, dealer, or representative of the products displayed on this website. All product names, trademarks, brands, and logos used on this website are the property of their respective owners. The description, explanation, or sale of products with these names, trademarks, brands, and logos is for identification purposes only and is not intended to indicate any association with or authorization from any rights holder.
- Q&A
- Policies How to order Part status information Shipping Method Return Policy Warranty Policy Payment Terms Email Marketing Policy VAT and Import Information
- Asset Recovery
- We Buy Your Equipment. Industry Cases Amikong News Technical Resources Why choose us FAQs
- Registered Address
-
32D Guomao Building, No.388, Hubin south Road, Siming district, Xiamen,Fujian, China
