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Phone: +86 16626708626Description
3. Key Technical Specifications
The MTL 8206-TI-IS module provides direct connection to temperature sensors located in hazardous environments without requiring separate interposing safety barriers.
| Parameter | Value |
|---|---|
| Part Number | 8206-TI-IS |
| Manufacturer | Eaton MTL Instruments (Measurement Technology Ltd) |
| Product Series | MTL8000 Intrinsically Safe I/O |
| Input Channels | 8 isolated temperature channels |
| Sensor Types | RTDs (2, 3, or 4-wire Pt100, Cu10, Ni120) / Thermocouples (J, K, T, E, R, S, B, N) / mV signals |
| Safety Approvals | ATEX, IECEx, FM, CSA Class I, Div 1, Groups A-D / Zone 0, 1 |
| Isolation | 250V AC system-to-field galvanic isolation |
| Cold Junction | Onboard or terminal-mounted CJC sensor support |
| Operating Temperature | -40°C to +70°C |
4. Product Introduction & Supply Chain Strategy
The MTL 8206-TI-IS temperature module is designed for mounting directly in Zone 2 / Class I, Div 2 areas while connecting directly to sensors located in Zone 0 / Class I, Div 1 hazardous locations. It eliminates the need for separate DIN-rail isolators or Zener barriers by integrating intrinsic safety limits directly on the module backplane interface.
Maintaining an uninstalled MTL 8206-TI-IS card as New Surplus is a critical risk-mitigation step for process facilities. Intrinsic safety circuitry must maintain strict component tolerances to ensure explosion protection and accurate millivolt signal conversion. Securing a unused, factory-sealed surplus unit guarantees intact IS safety ratings, unaged CJC calibration, and immediate drop-in replacement without needing loop re-certification or control panel redesigns.
8206-TI-IS
8206-TI-IS
5. Installation & Configuration Guide
Hazardous Area & Intrinsic Safety Warning
Connections to the 8206-TI-IS enter hazardous locations. Always verify the Intrinsically Safe entity parameters (Uo, Io, Po, Ca, La) match connected sensor field wiring before installation. Do not swap cards without confirming hazardous area permits.
1
System Isolation & Safety Check
Prerequisite
1.System Isolation & Safety Check:Prerequisite.
Ensure process control loops connected to the module are set to manual or bypass. Verify hazardous location atmospheric conditions before opening panel enclosures.
2
Carrier Unlatching & Extraction
Removal
2.Carrier Unlatching & Extraction:Removal.
Loosen the central module retaining screw on the face of the target 8206-TI-IS card. Disengage the module from the IS carrier base pins by pulling straight outward.
3
Keying Verification & Seating
Insertion
3.Keying Verification & Seating:Insertion.
Verify the mechanical keying position on the carrier slot to ensure an IS card is being inserted. Align module guide pins and press firmly into place, then secure the retaining screw.
4
Power Restoration & Signal Verification
Commissioning
4.Power Restoration & Signal Verification:Commissioning.
Re-apply carrier backplane power. Check front status LEDs for normal system communication and perform loop verification on all 8 temperature channels using process monitoring software.
6. Firmware/Software Versions & Upgrade Notes
- Carrier Base Compatibility: Mounts on MTL8000 IS carrier backplanes (e.g., 8710-CA-IS series).
- Sensor Selection: Channel sensor type (RTD vs. Thermocouple) is configured via software through the MTL node gateway interface.
- CJC Calibration: Ensure the Cold Junction Compensation sensor is properly seated on the field terminal block when using thermocouple inputs to prevent temperature offsets.
7. Frequently Asked Questions (FAQ)
Q: Is this MTL 8206-TI-IS module genuinely new? A: Yes, this item is a Brand New Surplus unit. It has never been installed in a field cabinet or wired into service, and is preserved in factory protective packaging.
Q: Does this card require separate intrinsic safety barriers? A: No. The 8206-TI-IS features built-in intrinsic safety protection, allowing field sensor wiring from Zone 0 / Div 1 environments to connect directly to the carrier terminal block.
Q: Can I mix RTDs and Thermocouples on the same 8206-TI-IS card? A: Yes, each of the 8 channels can be independently configured in software for different sensor types (RTD, Thermocouple, or millivolt inputs).
Q: What warranty accompanies this unit? A: Every MTL 8206-TI-IS module includes a full 1-year replacement warranty and a certified quality inspection report prior to dispatch.
