Trendview STRIPLITE-INDICATOR-2SLL Upgrade for 2SLL Series

Product Overview

Trendview STRIPLITE-INDICATOR-2SLL Upgrade for 2SLL Series: Seamless Transition from Legacy Strip Chart Recorders

Industrial facilities running legacy Trendview Striplite strip chart recorders face increasing pressure as original 2SLL series components reach end-of-life or become difficult to source. The Trendview STRIPLITE-INDICATOR-2SLL is a direct-replacement display module engineered to restore full recording and indication functionality to your existing 2SLL Striplite recorder chassis — without requiring a full system overhaul, panel re-engineering, or PLC reprogramming.

Whether your plant is operating a standalone Trendview 2SLL recorder in a process monitoring loop, or integrating it within a broader DCS or SCADA architecture, this module slots into the original housing with no mechanical modification. The front-panel indicator strip, signal input wiring terminals, and chart drive mechanism remain fully compatible, preserving your existing installation footprint and minimizing downtime during the swap.

For facilities transitioning from older Honeywell DR4500 or Eurotherm 4100 series chart recorders to the Trendview platform, the STRIPLITE-INDICATOR-2SLL provides a familiar operator interface while supporting modern signal conditioning requirements. The module accepts standard 4–20 mA analog inputs and thermocouple/RTD inputs, making it directly interchangeable with legacy recorder front-end assemblies without rewiring the field instrument loop.

Compatibility Comparison Table

Seamless Upgrade Solutions

A successful 2SLL Striplite recorder retrofit rarely involves a single component. In practice, engineers replacing the STRIPLITE-INDICATOR-2SLL display module also evaluate the condition of the Trendview 2SLL chart drive motor assembly and the 2SLL pen carriage mechanism, both of which are subject to wear in high-cycle process environments. Replacing these alongside the indicator module during a planned maintenance window eliminates the risk of a secondary failure shortly after the primary repair.

For facilities integrating the 2SLL recorder into a SCADA or DCS network, the Trendview RS-232 to RS-485 communication adapter is commonly added during the upgrade to enable multi-drop serial polling from a Modbus RTU master. This is particularly relevant in plants where the recorder feeds data to a Siemens S7-300 or Allen-Bradley ControlLogix PLC via a serial gateway, allowing the recorder’s process values to be logged centrally without replacing the recorder itself.

Where the existing control cabinet also houses a Eurotherm 2408 temperature controller or a Yokogawa UT350 single-loop controller on the same analog signal bus, the STRIPLITE-INDICATOR-2SLL can be wired in parallel on the 4–20 mA loop without signal loading issues, provided a suitable loop-powered signal isolator/splitter (such as a Phoenix Contact MINI MCR-SL-I-I type) is installed to prevent ground loops between instruments.

Panel builders retrofitting older cabinets should also assess the 24 V DC DIN rail power supply feeding the recorder and associated I/O. Units from the original installation era — often a Puls ML60 or Siemens SITOP PSU100S — may be undersized for the combined load after adding communication adapters or signal conditioners. Upgrading to a 60 W or 120 W DIN rail PSU during the recorder module swap is a low-cost insurance step that prevents nuisance trips post-commissioning.

For sites migrating entirely away from paper-based strip chart recording, the STRIPLITE-INDICATOR-2SLL can serve as an interim solution while a Trendview Minitrend GR paperless recorder or Honeywell Multitrend SX is procured and configured. This phased approach keeps the process loop monitored and documented during the transition, satisfying regulatory and quality audit requirements without a recording gap.

Retrofit Guidance FAQ

Q: Can I replace the STRIPLITE-INDICATOR-2SLL without rewiring the field terminals?
A: Yes. The rear terminal block layout of the 2SLL series is consistent across revisions. The replacement module uses the same screw terminal positions for signal input, power, and optional communication connections. No rewiring is required in standard configurations.

Q: Will my existing chart paper and chart drive work with the new module?
A: The STRIPLITE-INDICATOR-2SLL is designed for the 2SLL Striplite chassis. The chart drive motor, paper roll holder, and pen mechanism are mechanically compatible. If the chart drive motor shows signs of wear (inconsistent paper advance, noise), it is advisable to replace it simultaneously.

Q: Is the RS-232 communication port on the replacement module backward compatible?
A: Yes. The optional RS-232 interface uses the same protocol framing as earlier 2SLL revisions. If your SCADA system was polling the original module via RS-232, the replacement will respond to the same commands without configuration changes on the host side.

Q: How much panel space does the module require?
A: The STRIPLITE-INDICATOR-2SLL occupies the same panel cutout as the original 2SLL indicator module — a standard 144 × 144 mm (1/4 DIN equivalent) panel opening. No panel modification or adapter plate is needed.

Q: Can this module operate on both AC and DC power supplies?
A: The module supports a wide-range AC input (85–264 V AC, 50/60 Hz) and 24 V DC operation, making it compatible with both legacy AC-powered panels and modern 24 V DC DIN rail PSU installations.

Q: What if my process requires simultaneous replacement of the pen assembly and indicator?
A: We recommend sourcing the pen carriage assembly and chart drive motor at the same time as the indicator module. Contact our team at [email protected] to confirm availability of associated 2SLL mechanical components.

Warranty Assurance

Every Trendview STRIPLITE-INDICATOR-2SLL shipped by TOPNLMS is covered by a 12-month replacement warranty from the date of delivery. Before dispatch, each unit undergoes a pre-shipment functional inspection covering power-on verification, signal input response, display operation, and communication port continuity. Units that do not pass inspection are not shipped.

In the event of a warranty claim, TOPNLMS provides a direct replacement unit — not a repair-and-return service — to minimize your process downtime. Our average response time for warranty replacement requests is within 2 business days of claim confirmation. Replacement units are shipped from our Xiamen warehouse via DHL Express or FedEx International Priority, with tracking provided at time of dispatch.

For procurement teams requiring documentation, we provide a test report, packing list, and commercial invoice with each shipment. Letter of conformity and country-of-origin certificate (United Kingdom) are available upon request for customs and quality audit purposes.

Stock availability is confirmed at time of order. We maintain buffer inventory of high-demand 2SLL series components to support urgent plant maintenance requirements. Same-day dispatch is available for orders confirmed before 14:00 CST.