Product details
TM2AVO2HT Schneider Electric Analog Output Module for Modicon M238
Need precise voltage control for your Modicon M238 system? The TM2AVO2HT from Schneider Electric gives you two reliable analog outputs. It fits compact cabinets and works with Advantys OTB and Twido ranges. This module turns digital commands into smooth ±10 V signals. Ideal for machine builders and factory automation.
- Brand: Schneider Electric
- Model: TM2AVO2HT
- Series: Modicon M238 logic controller
- Type: Analog output module
- Channels: 2 voltage outputs
- Output signal: ±10 V
- Resolution: 11 bits + sign
- LSB value: 9.8 mV
- Load: Resistive, 3000 Ohm min
- Stabilisation time: 2 ms
- Conversion time: 2 ms + 1 controller cycle
- Measurement error: 0.5% full scale at 25 °C
- Temperature coefficient: ±0.01% FS/°C
- Repeat accuracy: ±0.1% FS
- Non linearity: 0.2% FS
- Output ripple: 1 LSB
- Total error: ±1% FS
- Isolation: Photocoupler between channel and internal logic
- Dielectric strength: 2500 V
- Supply: External 24 V DC
- Supply limits: 19.2 to 30 V
- Current consumption: 60 mA at 24 V external, 60 mA at 5 V internal
- Electrical connection: 1 removable screw terminal block
- Cable type: Twisted shielded cable
- Mounting: DIN rail
- Rail depth: 15 mm (AM1DE200) or 7.5 mm (AM1DP200)
- Dimensions: 23.5 mm W x 70 mm D x 90 mm H
- Weight: 0.085 kg (0.19 lb)
- Green Premium: Yes
- Warranty: 18 months
- Compliance: Schneider Electric declaration since 1039
- SVHC: Reference not containing SVHC above threshold
Installation Guide
- Mount on DIN rail. Use AM1DE200 or AM1DP200 rail.
- Avoid panel surface mounting with AM1ED200 or DZ5MB200.
- Follow hole layout for panel mounting if needed.
- Use twisted shielded cable for wiring.
- Connect to removable screw terminal block.
- Keep 8.5 mm clearance when clip-on lock is pulled out.
Commissioning and Maintenance
- Check wiring before power up.
- Verify 24 V DC external supply.
- Allow 2 ms stabilisation per channel.
- Monitor total error within ±1% FS.
- Clean terminals periodically.
- Replace module if isolation fails.
Compatibility Notes
- Works with Modicon M238 logic controller.
- Compatible with Advantys OTB and Twido ranges.
- Uses external 24 V DC supply.
- Fits standard 15 mm or 7.5 mm DIN rail.
Certifications and Sustainability
- Green Premium product.
- Compliant since 1039 per Schneider Electric declaration.
- No SVHC above threshold.
- Dielectric strength 2500 V.
Package Contents and Warranty
- 1 x TM2AVO2HT analog output module.
- 1 x removable screw terminal block.
- Warranty: 18 months.
- Ships in 12 to 24 hours.
- Courier: FedEx, UPS, or DHL.
Expert Review
The TM2AVO2HT is a solid choice for compact voltage output tasks. Its 11-bit resolution plus sign gives fine control for many servo and valve applications. The photocoupler isolation protects logic from field noise. The 2 ms response suits moderate-speed loops. The module is easy to swap thanks to the removable terminal block. It is not for high-frequency waveforms. Best for static or slow-changing setpoints.
Manager’s Insight
This module fills a niche for Modicon M238 users who need two clean ±10 V outputs without adding a larger rack. The 3000 Ohm load limit means you cannot drive heavy loads. But for most PLC-to-drive interfaces, it works well. The 18-month warranty and Green Premium status add confidence. Stock is available. Order before noon for same-day dispatch.
Best Applications
- Speed control for small DC drives.
- Valve positioners with voltage input.
- Analog setpoints for Advantys OTB I/O.
- Twido to M238 migration projects.
- Test benches needing ±10 V signals.
- Packaging and labeling machines.
- Pump and fan control panels.
FAQ
Q: Can I use this module without a Modicon M238 controller?
A: No. It is designed for the M238 backplane. Other controllers will not recognize it.
Q: What is the maximum cable length?
A: Use twisted shielded cable. Keep runs under 50 meters for best accuracy.
Q: How do I reduce electrical noise?
A: Ground the shield at one end. Keep cables away from motor lines.
Q: Does this module need external power?
A: Yes. It needs 24 V DC external supply. Internal 5 V comes from the rack.
Q: Can I hot-swap the module?
A: No. Power down the rack before removal or insertion.
Q: What if my load is less than 3000 Ohm?
A: The output may not reach full ±10 V. Use a buffer amplifier or higher impedance load.
Q: How often should I calibrate?
A: Once per year for critical processes. Check total error against a known meter.
Q: Is the terminal block included?
A: Yes. One removable screw terminal block comes in the box.
Q: What is the difference between TM2AVO2HT and other M238 analog modules?
A: This model has two voltage outputs. Other models may offer current outputs or more channels.
Q: Can I use this with a 12 V DC supply?
A: No. Minimum supply is 19.2 V DC. Use 24 V nominal.
Buying Guide
- Check your controller series first. Only Modicon M238.
- Count your voltage outputs. This module has exactly two.
- Confirm load impedance is 3000 Ohm or higher.
- Decide if 11-bit resolution is enough for your loop.
- Plan for DIN rail space: 23.5 mm width.
- Order spare terminal blocks if you swap modules often.
- For current loops, choose a different module.
Contact Information
- Inquiries: sales@powergearx.com
- WhatsApp: +86 18030005825
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