Schneider TM3AM6G Analog Mixed Module for M221 M241 M251 M262

TM3AM6G Schneider Modicon TM3 Analog Mixed Module 4 AI + 2 AO

The TM3AM6G adds precise analog I/O to Modicon M221, M241, M251, and M262 controllers. It offers 4 analog inputs and 2 analog outputs with 12-bit resolution. Each channel configures for 0-10 V, ±10 V, 0-20 mA, or 4-20 mA. Spring-cage terminals speed up wiring in tight cabinets. The module suits machine builders who need mixed voltage and current signals on one card. It fits temperature loops, pressure transmitters, and variable speed drives. Oiltech Controls stocks this module for fast global delivery. Reach us at info@oiltechcontrols.com or +86 158 8020 0923.

Analog I/O Specifications

• Module type: Analog mixed, 4 inputs plus 2 outputs
• Input signals: 0-10 V, ±10 V, 0-20 mA, 4-20 mA, per channel
• Output signals: 0-10 V, ±10 V, 0-20 mA, 4-20 mA, per channel
• Resolution: 12 bits on both AI and AO
• Accuracy: ±0.1% of full scale at 25 °C, ±1% FS over temperature
• Isolation: 1500 V AC analog I/O to supply, 500 V AC analog I/O to internal logic
• Response time: 1 ms conversion plus 1 ms per channel plus one controller cycle
• Wiring: Removable spring-cage block, 3.81 mm pitch

Electrical and Environmental Data

• Supply voltage: 24 VDC via the TM3 bus
• Bus current: 50 mA at 5 VDC full load, 50 mA at 24 VDC full load
• Power consumption: Not available
• Operating temperature: 0 to +55 °C
• Storage temperature: -25 to +70 °C
• Protection rating: IP20
• Dimensions: 90 × 23.6 × 70 mm
• Weight: 0.11 kg

Compatible Platforms and Device Fit

• Modicon M221 logic controllers
• Modicon M241 logic controllers
• Modicon M251 logic controllers
• Modicon M262 motion and logic controllers
• Temperature and pressure transmitter loops
• Variable speed drive reference signals
• Valve positioner and damper actuator control
• Flow meter and level sensor input cards

Diagnostics and Status Monitoring

• Channel status LEDs for quick fault location
• Module status for power and health checks
• Bus status for TM3 backplane communication
• Short-circuit and overload flags on output channels
• Out-of-range detection on active input channels

Installation Notes

• Clip the module onto the TM3 bus connector on the controller
• Use spring-cage terminals, no screwdriver torque needed
• Keep analog cables away from motor and relay wiring
• Use shielded twisted pairs for current loop signals
• Ground the shield at one end only to avoid ground loops
• Respect IP20, install inside a dry control cabinet
• Confirm 24 VDC bus supply before power-up

Oiltech Controls Review and Insight

Engineers choose the TM3AM6G when a compact controller needs mixed analog signals. The 12-bit resolution fits most machine control loops. Per-channel configuration saves inventory because one card covers voltage and current devices. Spring terminals cut panel build time. The 1500 V AC isolation protects logic from field transients. Oiltech Controls tests each module before shipment. We support legacy M221 and M241 panels where analog expansion is hard to find. For stock checks, email info@oiltechcontrols.com.

Warranty, Lead Time and Shipping

• 12-month warranty on eligible products
• 24 to 28 hour dispatch for in-stock items
• FedEx, UPS, and DHL express options
• Tracking number sent at dispatch
• Technical verification before every shipment

Why Buy From Oiltech Controls?

• More than 15 years sourcing industrial automation spares
• Worldwide shipping with major express carriers
• Tested surplus and refurbished units in stock
• 12-month warranty for peace of mind
• Bench verification before dispatch
• Legacy system support when OEM parts go obsolete

FAQ

Q: Can I mix voltage and current signals on the same TM3AM6G module?

A: Yes. Each input and output channel configures separately. You can run 4-20 mA on one channel and 0-10 V on another. This helps when one machine uses different sensor types. Set the mode in your programming software before wiring.

Q: Which controllers accept the TM3AM6G without extra hardware?

A: It plugs into Modicon M221, M241, M251, and M262 controllers through the TM3 bus. No separate power supply is needed for the module. The controller provides 24 VDC and 5 VDC bus current. Always check total bus load when adding several TM3 modules.

Q: How do I pick between 0-10 V and 4-20 mA for my application?

A: Use 4-20 mA for long cable runs or noisy plants. Current loops resist voltage drop and electrical noise. Use 0-10 V for short runs inside a clean cabinet. For drive references under 10 meters, 0-10 V works well. For field transmitters over 30 meters, choose 4-20 mA.

Q: What causes analog readings to drift over time?

A: Temperature change is the main cause. This module holds ±0.1% FS at 25 °C and ±1% FS over the full range. Keep the cabinet within 0 to +55 °C. Use stable 24 VDC supply. Route analog cables away from contactors and drives. Check shield grounding if readings jump.

Q: Is the TM3AM6G a good fit for a retrofit panel with an old M241?

A: Yes. The M241 accepts TM3 expansion modules directly. This module adds 4 AI and 2 AO without changing the CPU. It suits upgrades where existing sensors output 4-20 mA. Verify your M241 firmware supports analog TM3 modules. Contact info@oiltechcontrols.com or +86 158 8020 0923 for a compatibility check.

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