Product Overview
JOPPICH TS-01 Replacement & Upgrade Solution for Industrial Temperature Monitoring Series: Seamless Transition from Legacy Systems
The JOPPICH TS-01 DIN Rail Temperature Transmitter is a precision signal-conditioning module designed for industrial process environments where reliable temperature measurement is non-negotiable. Supporting both RTD (Pt100/Pt1000) and thermocouple (Type K, J, T, E, S, B, R) inputs with a universal 4–20 mA analog output, the TS-01 is engineered as a direct replacement and functional upgrade for aging or discontinued temperature transmitters commonly found in legacy PLC-based and DCS-based control architectures.
For facilities currently operating older single-input temperature transmitters — whether mounted in marshalling cabinets, field junction boxes, or on DIN rails inside control panels — the TS-01 offers a straightforward migration path. Its compact DIN rail form factor (35 mm TS35) matches the physical footprint of most first- and second-generation transmitters, minimizing the need for panel re-engineering or additional mounting hardware. Engineers migrating from discontinued models will find that the TS-01’s screw-terminal wiring layout is compatible with standard 2-wire and 3-wire RTD field cabling, eliminating the need to re-pull signal cables during retrofit.
In systems where the TS-01 feeds a Siemens S7-300 or S7-400 analog input module — such as the SM 331 or SM 334 — the 4–20 mA output maps directly to the existing AI channel configuration without requiring changes to the hardware configuration in STEP 7 or TIA Portal. Similarly, for Mitsubishi MELSEC Q-series or iQ-R series PLCs using QD60P8-G or RD77MS analog input cards, the signal range and scaling remain identical, preserving existing ladder logic and function block parameters. This is a critical advantage in brownfield upgrades where re-validation of control logic is costly and time-consuming.
For DCS environments — including Honeywell Experion PKS, Yokogawa CENTUM VP, or ABB 800xA — the TS-01’s HART-compatible 4–20 mA loop is recognized by most field device management tools, allowing asset management software to continue monitoring loop integrity without reconfiguration. When replacing a failed transmitter in a live process loop, the TS-01 can be hot-swapped with the loop powered down at the field terminal block, reducing mean time to repair (MTTR) and minimizing production downtime.
Power supply compatibility is another key consideration in retrofit projects. The TS-01 accepts a wide auxiliary power input (typically 24 VDC ±15%), making it compatible with existing 24 VDC bus bars and SITOP or Phoenix Contact power supply modules already installed in the control cabinet. No additional power conditioning or DC-DC conversion is required, which simplifies the bill of materials for the upgrade project.
From a communication and integration standpoint, the 4–20 mA analog signal is universally accepted by virtually all PLC analog input modules, safety controllers (such as those running IEC 61511 SIL-rated loops), and paperless recorders or data acquisition systems. For facilities transitioning toward digital fieldbus architectures, the TS-01 serves as a reliable interim solution, maintaining analog loop integrity while the broader migration to PROFIBUS PA, FOUNDATION Fieldbus, or IO-Link is planned and staged.
Compatibility Comparison Table
| Parameter |
Legacy / Discontinued Models |
JOPPICH TS-01 |
| Sensor Input |
RTD (Pt100) only or fixed thermocouple type |
Universal RTD (Pt100/Pt1000) + Thermocouple (K, J, T, E, S, B, R) |
| Output Signal |
4–20 mA (2-wire) |
4–20 mA (2-wire loop-powered) |
| Mounting |
DIN Rail TS35 / Panel Mount |
DIN Rail TS35 (35 mm) |
| Auxiliary Power |
24 VDC (fixed) |
24 VDC ±15% wide-range |
| Wiring Compatibility |
2-wire / 3-wire RTD field cable |
2-wire / 3-wire RTD; standard thermocouple extension cable |
| PLC AI Module Compatibility |
Siemens SM 331, Mitsubishi QD60P8-G |
All standard 4–20 mA AI modules (Siemens, Mitsubishi, AB, Schneider) |
| DCS Compatibility |
Honeywell, Yokogawa, ABB (analog loop) |
Universal 4–20 mA; HART-compatible loop |
| Installation Space |
Standard DIN rail slot |
Same footprint — no panel modification required |
| Replacement Complexity |
Requires re-wiring or re-scaling in some models |
Drop-in replacement; zero re-scaling for standard 4–20 mA loops |
| Warranty |
Varies (often expired on legacy units) |
12-Month Warranty from TOPNLMS |
Seamless Upgrade Solutions
A complete temperature loop upgrade rarely involves the transmitter alone. In most brownfield retrofit projects, the TS-01 is deployed alongside complementary components to ensure system-wide compatibility. For installations where the existing terminal block wiring is aged or undersized, Phoenix Contact PTFIX or Weidmüller WDU series DIN rail terminal blocks provide a clean, organized termination point for both the RTD sensor leads and the 4–20 mA output loop. When the control cabinet requires additional DIN rail space to accommodate the TS-01 alongside existing modules, a Siemens SIMATIC S7-300 expansion rack or a standard 35 mm DIN rail extension kit can be used without structural modification to the enclosure.
For facilities migrating from older Yokogawa YTA110 or YTA310 temperature transmitters, the TS-01’s screw-terminal layout and loop-powered architecture provide a functionally equivalent replacement. In Honeywell TDC 3000 or PlantScape legacy systems, where field transmitters feed into FTA (Field Termination Assembly) panels, the TS-01 can be installed at the field junction box level, preserving the existing FTA wiring infrastructure. Engineers working on ABB Freelance or AC500 PLC platforms will find the TS-01’s 4–20 mA output directly compatible with the AI523 or AI531 analog input modules without any firmware or configuration changes.
Where signal isolation is required — particularly in long cable runs exceeding 200 meters or in environments with high electromagnetic interference from variable frequency drives (VFDs) or motor control centers (MCCs) — a PHOENIX CONTACT MCR-SL-I-I signal isolator or equivalent DIN rail isolator module can be inserted between the TS-01 output and the PLC AI channel. For projects requiring local temperature indication alongside the 4–20 mA signal, a WIKA DI series or Endress+Hauser RIA15 loop-powered field indicator can be wired in series without affecting loop performance.
Retrofit Guidance FAQ
Q: Can the TS-01 replace my existing 2-wire RTD transmitter without re-pulling field cables?
A: Yes. The TS-01 supports 2-wire and 3-wire RTD connections using the same screw-terminal layout as most legacy DIN rail transmitters. Existing Pt100 field cables can be reconnected directly without modification.
Q: Do I need to reconfigure my PLC analog input channel after replacing the transmitter?
A: No. The TS-01 outputs a standard 4–20 mA signal. If your existing AI channel is already scaled for 4–20 mA, no changes to the PLC program or hardware configuration are required.
Q: Is the TS-01 compatible with HART field device management tools?
A: The TS-01 operates on a standard 4–20 mA loop. For full HART digital communication, verify the specific firmware version. The analog loop is universally compatible with all HART-capable AI modules and handheld communicators for loop testing.
Q: How much panel space does the TS-01 require?
A: The TS-01 mounts on a standard 35 mm DIN rail and occupies a footprint equivalent to most single-channel temperature transmitters. No additional panel cutouts or mounting brackets are required for a like-for-like replacement.
Q: Can the TS-01 handle thermocouple inputs if my legacy transmitter was RTD-only?
A: Yes. The TS-01 supports both RTD and thermocouple inputs. If upgrading from an RTD-only transmitter to support thermocouple sensors, simply reconfigure the input type via the front-panel DIP switches or configuration software — no hardware change required.
Q: What is the recommended procedure for hot-swap replacement in a live process?
A: Isolate the 4–20 mA loop at the field terminal block, remove the legacy transmitter, install the TS-01, reconnect the sensor and loop wiring, restore power, and verify the output signal at the AI channel. Total replacement time is typically under 30 minutes for a trained technician.
Warranty Assurance
Every JOPPICH TS-01 unit supplied by TOPNLMS is covered by a 12-Month Warranty from the date of shipment. Prior to dispatch, each unit undergoes functional verification including input signal simulation across the full RTD and thermocouple range, output loop calibration check at 4 mA (0%) and 20 mA (100%), and insulation resistance testing. Units that do not meet factory specification are quarantined and not shipped.
In the event of a warranty claim, TOPNLMS provides a replacement unit dispatch within 3 business days of fault confirmation, with return freight covered for verified manufacturing defects. Our after-sales response team is reachable via email and phone for technical support, loop troubleshooting, and replacement coordination. For procurement teams managing planned maintenance shutdowns, we recommend maintaining a minimum of one spare TS-01 unit per 10 installed loops to ensure immediate availability during unplanned failures.
Stock is maintained in Xiamen, China, with standard lead times of 3–7 business days for in-stock units and 2–4 weeks for special configurations. Express air freight options are available for urgent replacement requirements. All units are shipped with calibration documentation and a factory test report upon request.