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Phone: +86 16626708626Description
3. Key Technical Specifications
| Parameter | Specification / Value |
|---|---|
| Manufacturer | Acromag |
| Part Number | 651T-0600 |
| Module Type | Isolated DC Input Signal Transmitter |
| Power Supply | 12 to 36 VDC Loop/External Power |
| Input Signal Options | DC Current (0-20mA, 4-20mA) / DC Voltage (0-5V, 0-10V, ±10V) |
| Output Signal | 4 to 20 mA DC (Process Loop) |
| Isolation Rating | 1500V AC Input/Output/Power 3-Way Isolation |
| Accuracy | ±0.1% of span typical |
| Operating Temperature | -25°C to +70°C (-13°F to +158°F) |
| Mounting Style | 35mm DIN Rail Mount (Type EN 50022) |
| Packaging | Factory Anti-Static Shielding |
4. Product Introduction & Supply Chain Strategy
This product is a Brand New Surplus unit. It is not used, not pulled from a decommissioned plant, and not refurbished. All modules undergo rigorous quality verification to ensure OEM-level reliability. The Acromag 651T-0600 Signal Transmitter filters, isolates, and converts raw sensor inputs into clean 4-20mA signals for PLCs, DCS networks, and data acquisition cards.
Securing this transmitter as New Surplus is an essential risk-mitigation strategy for process facilities. Signal conditioners are the frontline defense against ground loops and high-voltage spikes. Sourcing replacement modules during a plant outage can mean multi-week OEM lead times, causing extended system downtime. Refurbished signal conditioners often suffer from degraded isolation transformers, thermal drift in precision resistors, and dried-out power capacitors. Purchasing genuine New Surplus guarantees factory calibration accuracy, total noise immunity, and lower Total Cost of Ownership (TCO).
5. Installation & Configuration Guide
Stage 1: Pre-Installation (Prep & Safety)
- Disconnect cabinet power feeds and enforce Lock-Out/Tag-Out (LOTO) protocols.
- Put on an ESD wrist strap before handling the housing or accessing DIP switches.
- Review the module side label to confirm input/output range settings and DIP switch maps.
Stage 2: Removal
- Unplug the screw-terminal blocks from the top and bottom of the module.
- Insert a flathead screwdriver into the DIN-rail locking tab at the base of the unit.
- Pry the clip downward and pivot the old transmitter off the rail.
Stage 3: Installation (Clone & Seat)
- Configure DIP switches on the new 651T-0600 to mirror the input signal type and range of the original unit.
- Hook the top lip of the module onto the 35mm DIN rail and press the bottom until the locking tab snaps into place.
- Plug terminal blocks firmly into their matching header sockets.
Stage 4: Power-On & Testing
- Re-energize the 24V DC loop power supply; confirm the front panel power LED turns solid Green.
- Apply a calibrated DC reference signal (e.g., 4mA or 0V) to the input terminals using a process calibrator.
- Measure output loop current with a multimeter; adjust Zero and Span potentiometers if fine-tuning is required.
1
Pre-Installation & Setup
Power isolation & DIP mapping
1.Pre-Installation & Setup:Power isolation & DIP mapping.
Isolate cabinet DC power using LOTO protocols. Put on an ESD wrist strap and verify the required DIP switch range settings on the side panel diagram.
2
Module Removal
Terminal disconnect
2.Module Removal:Terminal disconnect.
Unplug removable terminal blocks. Release the DIN-rail retaining latch using a flathead screwdriver and remove the module from the rail.
3
Hardware Configuration & Mounting
Range selection & mounting
3.Hardware Configuration & Mounting:Range selection & mounting.
Set DIP switches on the replacement 651T-0600. Snap the unit onto the DIN rail and reinsert terminal blocks securely into their sockets.
4
Validation & Operational Test
Loop calibration check
4.Validation & Operational Test:Loop calibration check.
Power up the 24V DC loop supply. Inject a 4-20mA test signal and measure output current with a calibrated meter to verify loop accuracy.
651T-0600
651T-0600
6. Firmware/Software Versions & Upgrade Notes
- Hardware Design: The 651T-0600 is an analog/DIP-switch configurable module that does not require software or firmware installation.
- Signal Calibration: Zero and Span potentiometers on the front panel allow manual trimming to eliminate field cable resistance errors.
- Wiring Warning: Never connect AC line voltage (120/240V AC) directly to signal or DC power terminals; doing so will destroy internal operational amplifiers and void warranty coverage.
7. Frequently Asked Questions (FAQ)
Q: Is the Acromag 651T-0600 unit brand new or refurbished? A: This transmitter is 100% Genuine New Surplus. It has never been deployed in an active plant installation, shows zero terminal wear, and ships in protective anti-static packaging.
Q: Why choose New Surplus over a refurbished signal conditioner? A: Refurbished modules frequently harbor thermal stress damage, degraded isolation barriers, and drifted resistor networks. In industrial telemetry loops, drifted signal conditioners introduce measurement errors into PLC systems. New Surplus guarantees factory-level accuracy and long-term signal protection.
Q: Does this module provide isolation between input and output circuits? A: Yes. The 651T-0600 features 1500V AC 3-way isolation between input, output, and power terminals to eliminate ground loops and protect downstream PLC inputs.
Q: Is the input range field-configurable? A: Yes. You can configure DIP switch combinations on the side panel to select different DC voltage or current input ranges without needing external software.
Q: What warranty coverage applies to this spare part? A: We back this Acromag 651T-0600 module with a comprehensive 1-year replacement warranty, delivering total operational security compared to standard short-term used surplus terms.
