UniOP eTOP Series HMI Modules

Technical Dossier

Product Details And Specifications

UniOP eTOP Series: Comprehensive HMI Module Range and Technical Overview

The UniOP eTOP Series represents one of the most widely deployed Human-Machine Interface (HMI) product lines in global heavy industry. Manufactured originally by Exor International (Italy) and later integrated into the Parker Hannifin automation portfolio, eTOP panels have accumulated significant installed base across petrochemical refineries, power generation facilities, water treatment plants, pharmaceutical manufacturing lines, and steel mill automation systems. Their prevalence in legacy DCS and PLC architectures — particularly in plants commissioned between 1998 and 2015 — means that procurement teams continue to source these units for both corrective maintenance and planned lifecycle extension programs.

The eTOP series spans a broad range of display sizes (from 5.7" to 15"), communication protocols (RS-232, RS-485, Ethernet TCP/IP, CANopen, Profibus DP), and panel ratings (standard and NEMA 4/IP65 front-face). This diversity makes the series adaptable across multiple control system generations, but also creates sourcing complexity when specific variants reach end-of-life status.

The Evolution of eTOP Series Architecture

The eTOP product line evolved through three distinct architectural generations, each reflecting the industrial communication standards of its era:

Generation 1 (eTOP05 / eTOP10 / eTOP11 — late 1990s to early 2000s): These early units relied primarily on serial communication (RS-232/RS-485) and were designed for direct connection to PLCs from Siemens, Allen-Bradley, Mitsubishi, and Modicon. Display technology was monochrome or limited-color STN LCD. Firmware was stored on EPROM, making field updates cumbersome. Many of these units are now fully obsolete with no OEM support, yet remain in service at facilities with long capital replacement cycles.

Generation 2 (eTOP30 / eTOP50 / eTOP55 — mid-2000s): This generation introduced color TFT displays, expanded memory, and multi-protocol communication cards. The modular communication slot design allowed a single panel body to support Profibus DP, DeviceNet, or Ethernet by swapping the communication adapter. This flexibility extended the series' relevance well into the 2010s. Compatibility with Windows CE-based runtime environments was introduced in select models.

Generation 3 (eTOP100 / eTOP130 / eTOP133 — 2008 onwards): The eTOP133C-0050 belongs to this generation. These panels feature widescreen TFT color displays, integrated Ethernet ports, USB host/device interfaces, and support for modern SCADA connectivity. The eTOP133C-0050 specifically offers a 12.1" SVGA display with resistive touch, dual serial ports, and an Ethernet interface — making it suitable for mid-complexity supervisory applications. Despite being a more recent design, Parker Hannifin has progressively rationalized the eTOP line in favor of its newer Pro-face and Maple Systems-aligned HMI platforms, placing the eTOP133 series in a mature-to-declining lifecycle phase.

Compatibility Note: Cross-generation compatibility within the eTOP line is limited. Projects migrating from Generation 1 to Generation 3 panels typically require full project file recompilation in the EMOS or Designer software environment. Procurement teams should verify software version compatibility before authorizing substitutions.

eTOP Series Full Catalog & Functionalities (SKU List)

The following SKUs represent the most commonly sourced models across the eTOP product family. Each entry reflects the unit's primary functional role in an industrial control architecture:

eTOP05B-0045: 5.7" STN mono display, RS-232/RS-485, compact panel-mount HMI for legacy PLC interfaces.
eTOP05C-0045: 5.7" color STN display variant, serial communication, entry-level color visualization.
eTOP10B-0045: 10.4" STN monochrome, dual serial ports, suited for Modicon and Siemens S5 legacy systems.
eTOP11B-0045: 10.4" STN mono with expanded recipe and alarm management memory.
eTOP30B-0050: 10.4" color TFT, modular comm slot, supports Profibus DP adapter card.
eTOP30C-0050: 10.4" color TFT with Ethernet option, mid-generation workhorse for process visualization.
eTOP50B-0050: 12.1" color TFT, dual comm slots, high-memory variant for complex SCADA mimic pages.
eTOP55B-0050: 12.1" color TFT, NEMA 4/IP65 front-face rated, washdown and outdoor enclosure compatible.
eTOP55C-0050: 12.1" color TFT with integrated Ethernet, IP65 front, suitable for food & beverage environments.
eTOP100B-0050: 10.4" widescreen TFT, USB host, Ethernet, Generation 3 entry model.
eTOP110B-0050: 10.4" widescreen TFT, enhanced processing speed, dual Ethernet ports.
eTOP130B-0050: 12.1" widescreen TFT, USB + Ethernet, standard front-panel rating.
eTOP133B-0050: 12.1" SVGA TFT resistive touch, Ethernet + dual serial, NEMA 4 front-face variant.
eTOP133C-0050: 12.1" SVGA color TFT, resistive touch, USB host/device, dual RS-232/RS-485, Ethernet — primary SKU of this listing.
eTOP150B-0050: 15" XGA TFT, high-brightness display, designed for large control room panel installations.
eTOP155C-0050: 15" XGA TFT with IP65 front, Ethernet, USB, top-tier eTOP series visualization platform.

Sourcing Hard-to-Find & Obsolete eTOP Series Parts

Parker Hannifin has formally discontinued active development of the eTOP product line. OEM spare parts availability has contracted significantly since 2020, with lead times from authorized distributors extending to 16–26 weeks for in-production variants and indefinite for discontinued models. For procurement managers operating plants with eTOP panels embedded in safety-critical or continuous-process control loops, this creates a measurable supply continuity risk.

DriveKNMS maintains a dedicated sourcing network for legacy HMI panels, including the full eTOP range. Our inventory strategy covers three supply tiers: (1) new-old-stock (NOS) units sourced from decommissioned plant equipment, (2) professionally refurbished units with full functional testing and 12-month warranty, and (3) cross-reference and substitution advisory for cases where direct replacement is not feasible. For the eTOP133C-0050 specifically, we maintain stock visibility across our global supplier network and can provide confirmed availability status within 24 business hours of inquiry.

Procurement teams managing multi-site operations are advised to conduct a fleet audit of installed eTOP units and establish a buffer stock strategy. The cost of a planned spare (typically 15–30% of original OEM list price through DriveKNMS) is substantially lower than the cost of unplanned downtime in a refinery or chemical plant context, where hourly production loss can exceed USD 50,000.

Quality Control for the eTOP Series Range

The eTOP series presents specific technical challenges during inspection and testing due to its integrated touchscreen digitizer, backlight inverter circuitry, and communication interface cards. DriveKNMS applies a structured multi-stage inspection protocol to all eTOP units prior to shipment:

Stage 1 — Visual and Physical Inspection: Examination of display surface for delamination, pressure marks, or dead pixel clusters. Inspection of connector pins, communication ports, and panel gasket integrity (critical for IP65-rated variants).

Stage 2 — Power-On Functional Test: Unit is powered and booted to verify display uniformity, backlight output, and touchscreen calibration accuracy across the full active area. Response time and touch registration are validated against OEM specifications.

Stage 3 — Communication Interface Verification: Serial ports (RS-232/RS-485) and Ethernet interface are tested using protocol analyzers. For units with modular communication cards (Profibus, DeviceNet), the card is tested independently and in-situ.

Stage 4 — Firmware and Memory Integrity Check: Internal flash memory and SRAM are verified. Firmware version is documented and provided to the buyer for compatibility cross-reference with their existing EMOS/Designer project files.

All units are shipped with a test report, 12-month warranty certificate, and export documentation compliant with international trade regulations. Payment is accepted in USD, EUR, CNY, and HKD. Logistics via DHL Express, FedEx International Priority, or sea freight for bulk orders.