WhatsApp: +86 16626708626
Email: 
Phone: +86 16626708626Description
3. Key Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 396352-01-4 |
| Manufacturer | Emerson (Bristol Babcock) |
| Product Family | ControlWave / ControlWave Micro |
| Module Type | Analog Input |
| Number of Channels | 16 |
| Input Signal Type | 4-20 mA (internally sourced) |
| Termination | Local (on-module terminal block) |
| Power Consumption | 140 mA @ 5 VDC; 850 mA @ 12 VDC field; 450 mA @ 24 VDC field |
| Isolation | AI circuitry isolated from bus interface |
| Surge Protection | Integrated |
| Operating Temperature | −40 °C to +70 °C (typical ControlWave range) |
| Mounting | ControlWave chassis / I/O expansion rack |
| Weight | Approx. 1.36 kg (3.0 lbs) |
4. Product Introduction
The Emerson 396352-01-4 is a 16-point analog input module for ControlWave process automation controllers. It accepts 4-20 mA signals from field transmitters measuring pressure, flow, level, temperature, and other process variables, converting them for use by the ControlWave CPU over the backplane.
Engineers select this module when a local-termination 4-20 mA AI card is required in ControlWave or ControlWave Micro systems. It provides the standard 16-channel density used in many oil & gas, water/wastewater, and remote telemetry applications. Because the original Emerson part is discontinued, verified new-surplus units remain the practical path for maintaining existing installations without redesign.
396352-01-4
396352-01-4
5. Troubleshooting Quick Reference
| Symptom | Possible Cause | Relevance to this Part | Quick Check Method | Recommendation |
|---|---|---|---|---|
| No AI values / all channels zero or frozen | Module not powered or backplane fault | ✅ High | Measure 5 VDC at chassis backplane; check module status LEDs | Confirm power supply and reseat module |
| Individual channel reading incorrect or open | Wiring open, blown fuse, or transmitter failure | ✅ High | Check 4-20 mA loop current at terminal with multimeter; inspect 1/8 A fuses on AI channels | Repair field wiring or replace fuse before swapping module |
| All channels show over-range or under-range | Common-mode voltage or ground loop | ✅ Medium | Verify field power and grounding; measure common-mode voltage | Correct grounding; confirm input type matches 4-20 mA local configuration |
| Module not recognized in ControlWave Designer | Wrong board type or slot configuration | ✅ High | In I/O Configurator, confirm CW_AI16 (or ER_AI16) is added and slot matches physical location | Reload project configuration; power-cycle controller |
| Intermittent or noisy readings | Poor shielding or loose terminal screws | ❌ Low to Medium | Inspect terminal tightness and shield termination at module ground | Tighten connections and follow Emerson shield grounding practice |
| Module fails after power-up | ESD damage or reverse polarity on field side | ✅ High | Visual inspection for burn marks; check field wiring polarity | Replace module; enforce ESD wrist-strap use on future installs |
If diagnostics remain unclear after these checks, capture the diagnostic buffer, module LEDs, and clear photos of the terminal block and send them to technical support.
6. Frequently Asked Questions (FAQ)
Q: Is the 396352-01-4 still available from Emerson?
No. Emerson has discontinued this part number. Units available on the market are new surplus or carefully tested inventory. Lead times and quantities are limited.
Q: What exactly does the “local termination” mean?
The 4-20 mA field wires land directly on the terminal block mounted on the module itself. Remote-termination versions (different part numbers) use a separate DIN-rail terminal assembly. Do not mix the two without checking wiring diagrams.
Q: Can I use this module in a ControlWave Micro or I/O expansion rack?
Yes, provided the chassis and firmware support the CW_AI16 or ER_AI16 board type. Always verify the exact rack and software configuration before installation.
Q: Does the module support 1-5 V inputs?
No. The 396352-01-4 is factory-configured for 4-20 mA only. Voltage versions carry different part numbers (e.g., 396352-02-2).
Q: Will my existing program and scaling remain valid after a swap?
Yes, if the replacement module is the same part number and the I/O configuration in ControlWave Designer matches the original. Channel scaling and engineering units stay in the application; only the hardware is exchanged.
Q: Why is a new-surplus unit often priced lower than historical OEM list?
Because the part is obsolete. Genuine new-surplus stock is still original Emerson product that has never been installed, but it no longer carries a factory warranty from Emerson. Reputable suppliers test the modules and provide their own warranty (typically 12 months).
Q: What should I photograph or document before removing the old module?
Take clear photos of the terminal block wiring, any fuse locations, and the module’s physical orientation in the chassis. Note the exact firmware and I/O configuration version. This prevents the majority of post-swap issues.
