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Key Technical Specifications
| Parameter | Specification |
| Model Part Number | FC-TSHART-1620M |
| System Architecture | Honeywell Safety Manager / Fail Safe Controller (FSC) |
| Channel Capacity | 16 differential analog input channels (4-20 mA) |
| HART Support | Integrated pass-through for HART protocol digital smart instrument signals |
| Field Loop Power | 24 V DC current-limited loop power output per channel |
| System Connector | Multi-pin mass termination header for pre-fabricated System Interface Cables (SIC) |
| Safety Integrity Level | SIL3 capable in combination with Honeywell Safety Manager SAI modules |
| Mounting Format | Standard TS35 DIN rail mounting carrier |
| Operating Temperature | −5°C to +70°C (Cabinet internal ambient) |
| Relative Humidity | 5% to 95% non-condensing |
| Dimensions (H x W x D) | 125 × 110 × 58 mm (4.92 × 4.33 × 2.28 inches) |
| Unit Weight | 0.48 kg (1.06 lbs) |
Product Introduction & Supply Chain Strategy
The Honeywell FC-TSHART-1620M is a 16-channel Safe Analog Input Field Termination Assembly (FTA) equipped with HART communications support. Designed for Safety Manager systems, it serves as the field wiring interface for 4-20 mA smart transmitters (such as pressure, temperature, and flow meters), seamlessly passing analog 4-20 mA signals to safety I/O modules while breaking out digital HART diagnostics for asset management software.
Maintaining the FC-TSHART-1620M as New Surplus inventory protects facilities running legacy safety instrumented systems from catastrophic unexpected outages. Aging field termination boards exposed to harsh industrial environments suffer from terminal screw strip-out, trace corrosion, and cracked SMD filtering components. Sourcing genuine New Surplus units ensures full dielectric strength, uncompromised signal attenuation characteristics, and an operational service life of 10 to 15 years, lowering your Total Cost of Ownership (TCO) compared to emergency plant shutdowns.
FC-TSHART-1620M
FC-TSHART-1620M
Installation & Configuration Guide
Stage 1: Pre-Installation (Prep & Safety)
- Perform complete Lock-Out/Tag-Out (LOTO) procedures on the 24 V DC cabinet power distribution feeds.
- Put on a grounded ESD wrist strap before handling internal wiring connections.
- Label each 2-wire or 3-wire 4-20 mA field loop with channel markers matching system loop sheets.
- Verify onboard channel fuses or current-limiting resistor networks are intact.
Stage 2: Removal
- Unplug the system interface cable connecting the FTA to the main Safety Manager chassis.
- Disconnect field transmitter signal wires from the screw terminal blocks.
- Release the DIN-rail locking clips using a flathead screwdriver and carefully remove the assembly from the TS35 mounting rail.
Stage 3: Installation & Seating
- Mount the new FC-TSHART-1620M carrier securely onto the TS35 DIN rail until all clips snap firmly into place.
- Re-connect field instrument wires to the screw terminals according to the channel mapping plan.
- Plug in the mass-termination system interface cable, verifying that keying slots align and side locking latches click firmly.
Stage 4: Power-On & Testing
- Re-apply 24 V DC loop supply power.
- Measure 24 V DC loop supply across field transmitter terminals to verify loop power delivery.
- Check 4-20 mA loop current values against the Safety Builder software diagnostic screen to verify analog conversion and HART communications handshakes.
Firmware/Software Versions & Upgrade Notes
- Passive Component Nature: As a physical field termination assembly, the FC-TSHART-1620M contains no software or flash firmware.
- Module Matching: Ensure compatibility with Honeywell Safe Analog Input modules (such as FC-SAI-1620m or similar 16-channel HART AI cards).
- HART Modem Integration: Ensure HART communications options are enabled in the Safety Builder I/O module channel configuration to pass secondary smart field diagnostics.
- Cable Shielding: Connect cable shields strictly at the designated earth ground bar on the FTA to prevent ground loops from corrupting high-frequency HART digital frequency-shift keying (FSK) signals.
Frequently Asked Questions (FAQ)
Q: How can you verify that this FC-TSHART-1620M unit is New Surplus?
All units are retrieved directly from canceled engineering projects and factory surplus reserves. They arrive in original ESD packaging, showing clean un-torqued terminal blocks, spotless board traces, and zero mechanical wear on DIN mounting clips or interface connectors.
Q: What is the primary advantage of the FC- over standard non-HART FTAs?
The FC- includes onboard filtering and routing networks that allow HART digital communication signals to be extracted from the 4-20 mA current loop without interfering with safety-critical analog measurements.
Q: Why buy New Surplus instead of a refurbished termination board?
Refurbished boards often carry hidden thermal fatigue in SMD noise filters, worn terminal block screw threads, and oxidized connector contacts. In a SIL3 safety system, a signal drop on an analog input loop can trigger a false emergency shutdown. New Surplus guarantees original factory insulation and connection integrity.
Q: Does this FTA support 2-wire loop-powered field transmitters?
Yes. The FC- delivers 24 V DC power directly across the input terminals to drive standard 2-wire smart 4-20 mA field transmitters.
Q: What warranty coverage applies to this module?
The FC- comes backed by a comprehensive 12-to-24 month functional replacement warranty, offering original factory reliability without long OEM delivery times.
