TM3DQ32TK

The Schneider Electric TM3DQ32TK, also cataloged as the TM3DQ32TK discrete output module, provides 32 transistor outputs with positive logic (PNP/source) for Modicon M221, M241, M251, and M262 controllers. It switches 24 VDC output circuits through HE-10 connectors and supports control of variable speed drives and other devices with current or voltage inputs. The module communicates with the controller through the TM3 bus expansion connector and provides channel-level LED status indication.

Hardware Specifications

Parameter	Specification
Model	TM3DQ32TK
Brand	Schneider Electric
Product Range	Modicon TM3
Product Type	Discrete Output Module
Origin	Taiwan (TW)
Number of Outputs	32 transistor outputs
Output Logic	Positive logic, source (PNP)
Rated Output Voltage	24 VDC
Output Current	100 mA per transistor output
Maximum Output Turn-On Time	450 us
Maximum Output Turn-Off Time	450 us
Maximum Leakage Current	0.1 mA
Maximum Voltage Drop	Less than 0.4 V
Maximum Tungsten Load	Less than 1.2 W
Bus Current Consumption	5 VDC: 5 mA typical; 24 VDC: 0 mA typical, as listed in the main specifications
Internal Logic Supply	Powered by internal bus
Isolation	500 VAC between outputs and internal logic; outputs are not isolated from each other
Electrical Connection	HE-10 output connectors
Maximum Cable Distance	5 m with unshielded transistor output cable
Local Signalling	One green LED per output channel
Dimensions (W x D x H)	33.5 x 81.3 x 90 mm
Weight	0.112 kg
Mounting	TH35-15 or TH35-7.5 DIN rail; panel mounting with fixing kit
Protection Rating	IP20
Operating Temperature	-10 to 55 deg C horizontal; -10 to 35 deg C vertical
Storage Temperature	-25 to 70 deg C
Relative Humidity	10-95%, non-condensing
Maximum Operating Altitude	2000 m
Shock Resistance	15 gn for 11 ms
Certifications	CE, cULus, UKCA, RCM, EAC, cULus HazLoc
Standards	IEC 61131-2
Compatible Controllers	Modicon M221, M241, M251, M262
Programming Software	EcoStruxure Machine Expert
Firmware Reference	TM3 Digital I/O Modules Firmware V28
GTIN	3606480611513
Lifecycle Carbon Footprint	50 kg CO2 eq.

Transistor Output Operation and Bus Interface

The TM3DQ32TK uses source-type transistor outputs to switch positive 24 VDC signals to connected loads. Each channel supports a specified output current of 100 mA, subject to the electrical requirements of the connected device and the controller system's overall power budget.

The module receives its internal operating power and exchanges data through the TM3 expansion bus. The stated 500 VAC isolation separates the output circuits from internal logic; it does not provide channel-to-channel isolation. Each output has an individual green status LED for checking commanded output states.

The module connects to external wiring through HE-10 connectors. The maximum specified distance for unshielded transistor output cable is 5 m. External devices must be compatible with the module's positive-logic output arrangement and electrical ratings.

Frequently Asked Questions (FAQ)

Q: Can the TM3DQ32TK directly drive a variable speed drive?

A: Yes, when the drive provides a compatible current or voltage command input and the electrical interface matches the module's 24 VDC PNP/source output characteristics. Verify the drive input specifications before wiring.

Q: Are the 32 output channels electrically isolated from one another?

A: No. The module specifies 500 VAC isolation between the outputs and internal logic, but the output channels are not isolated from each other.

Q: What cable length and mounting conditions should be observed?

A: The specified maximum cable distance for unshielded transistor output wiring is 5 m. The module supports TH35-15 and TH35-7.5 DIN rails or panel mounting with a fixing kit. Observe the installation-specific temperature limit of -10 to 55 deg C horizontally or -10 to 35 deg C vertically.

Field Installation Guidelines

1. Mounting: Install the module on a compatible IEC 60715 TH35 DIN rail or secure it to a panel using the specified fixing kit. Maintain the correct orientation and observe the applicable operating temperature limit.
2. Bus connection: Align and engage the TM3 expansion connector with the adjacent controller or expansion module. Confirm mechanical engagement before applying power.
3. Output wiring: Connect field devices through the HE-10 connectors. Verify polarity and confirm that each load is compatible with 24 VDC positive-logic source outputs.
4. Load assessment: Keep each output within its 100 mA rating. Check the aggregate load, external supply capacity, and connected device input requirements before commissioning.
5. Cable routing: Keep output wiring separated from high-noise power conductors where practical. Observe the 5 m maximum cable distance specified for unshielded transistor output wiring.
6. Grounding and shielding: Follow the controller and cabinet grounding design. Terminate cable shields according to the installation's EMC requirements; do not treat the output-to-logic isolation rating as a substitute for protective grounding.
7. Commissioning: Verify controller compatibility, confirm the applicable firmware and EcoStruxure Machine Expert configuration, and test each output channel individually. Use the channel LEDs to check output status during functional testing.
8. Environmental limits: Confirm IP20 enclosure protection is suitable for the installation. Provide an appropriate enclosure where protection against dust, moisture, or accidental contact is required.

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