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140DDO35300
140DDO35300
140DDO35300

Schneider 140DDO35300 Quantum 32-Channel Digital Output Module

  • Model: 140DDO35300
  • Brand: Schneider Electric
  • Series: Modicon Quantum
  • Core Function: 32-channel discrete DC output
  • Product Type: Solid-state digital output module
  • Output: 24 VDC
  • Logic: Positive logic / source
  • Channel Configuration: 4 groups × 8 outputs
  • Maximum Load: 16 A per module; 4 A per group
  • Response Time: ≤1 ms
  • Bus Current: Verify against the applicable Quantum hardware documentation before procurement
  • Lifecycle: Discontinued/being phased out; Schneider identifies BMXDDO3202K as the recommended replacement.
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Description

Key Technical Specifications

Parameter Specification
Manufacturer Schneider Electric
Part Number 140DDO35300
Platform Modicon Quantum
Product Type DC Discrete Output Module
Output Type Solid-state / transistor
Number of Outputs 32
Channel Groups 4 groups × 8 outputs
Output Logic Positive logic (source)
Nominal Output Voltage 24 VDC
Output Voltage Range 19.2–30 VDC
Maximum Load Current 16 A/module
Maximum Current per Group 4 A
Maximum Voltage Drop <0.4 V at 0.5 A
Surge Current 5 A for 0.0005 s
Response Time ≤1 ms ON and ≤1 ms OFF
Maximum Leakage Current 0.4 mA at 30 V
Internal Protection 5 A fuse per group
Recommended Fuse 3 A per output point / 5 A per group
Group-to-Bus Isolation 1,780 Vrms for 1 minute
Group-to-Group Isolation 500 Vrms for 1 minute
Power Dissipation 1.75 W + 0.4 V × total module load current
Addressing 2 output words
Operating Temperature 0–60 °C
Storage Temperature −40 to +85 °C
Relative Humidity Up to 95%, non-condensing
Maximum Altitude ≤5,000 m
Diagnostics Active, external fault, individual output LEDs

Schneider’s product data identifies the 140DDO35300 as a 32-output Modicon Quantum solid-state DC module, with four groups of eight outputs, positive/source logic, 24 VDC operation, and 19.2–30 VDC output limits.

The documented maximum load is 16 A per module and 4 A per group, while each output is protected through the module’s internal group protection.

 

Product Introduction

The Schneider Electric 140DDO35300 is a 32-point discrete output module designed for the Modicon Quantum PLC platform. It provides 24 VDC positive-logic/source outputs for controlling field devices such as contactors, solenoid valves, interposing relays, indicator devices, and other DC loads.

The 32 outputs are organized into four independent groups of eight channels. Schneider’s Quantum documentation identifies the module as a 24 VDC 4×8 source output module.

The module has a specified response time of 1 ms or less for both ON and OFF transitions. It also provides individual output status LEDs and fault indication for conditions including loss of field power or blown protection.

Terminal Organization

The field interface is organized around four output groups:

  • Group A: Outputs 1–8
  • Group B: Outputs 9–16
  • Group C: Outputs 17–24
  • Group D: Outputs 25–32

Each group has its own supply/common connections. The published wiring diagram identifies a 40-terminal field connection arrangement.

140DDO35300

140DDO35300

140DDO35300

140DDO35300

Installation & Configuration Guide

Stage 1: Pre-Installation Preparation

⚠️ Safety First: The module controls externally powered field loads. Place the Quantum system and associated field circuits into the approved maintenance state before replacement.

Before removal:

  1. Record the complete part number 140DDO35300.
  2. Photograph the module and field terminal wiring.
  3. Record the Quantum rack and slot number.
  4. Identify all four output groups.
  5. Record which field devices are connected to each output.
  6. Check the field supply voltage.
  7. Save the PLC application and I/O configuration.
  8. Record any active output or external-fault diagnostics.

Important: Do not assume the 32 outputs share a single field-power source. The module uses separate supply/common connections for the four groups.

Stage 2: Removing the Existing Module

  1. Place the controlled equipment in its approved maintenance state.
  2. Isolate field power where required.
  3. Apply appropriate ESD precautions.
  4. Photograph the terminal block.
  5. Label all field conductors.
  6. Identify the group A/B/C/D connections.
  7. Disconnect the field wiring.
  8. Release the Quantum module retaining mechanism.
  9. Remove the module from the backplane.
  10. Inspect the backplane and terminal connections for damage or contamination.

Stage 3: Installing 140DDO35300

  1. Verify the replacement part number.
  2. Confirm the module is the positive-logic/source version.
  3. Check the Quantum rack and slot.
  4. Inspect the connector and terminal block.
  5. Insert the module fully into the backplane.
  6. Secure the module.
  7. Reconnect each field circuit to its original channel.
  8. Verify each group supply and common connection.
  9. Confirm field-device polarity.
  10. Check all terminal screws for proper mechanical security.

Installation Checklist:

  • 140DDO35300 verified
  • Positive/source logic confirmed
  • Correct Quantum slot
  • 24 VDC field supply verified
  • Group A wiring checked
  • Group B wiring checked
  • Group C wiring checked
  • Group D wiring checked
  • Output polarity checked
  • Module fully seated

Stage 4: Commissioning & Testing

  1. Restore field power.
  2. Restore Quantum rack power according to the approved procedure.
  3. Verify the module’s Active indication.
  4. Check for an external-fault indication.
  5. Command each output individually where the process permits.
  6. Verify the corresponding output LED.
  7. Measure the field output voltage.
  8. Confirm the connected load energizes correctly.
  9. Test representative outputs from all four groups.
  10. Check for blown-fuse or field-power diagnostics.
  11. Verify the PLC output addressing.
  12. Return the machine to normal operation after completing the required functional tests.

⚠️ Troubleshooting Note: If the PLC commands an output ON but the field device does not energize, check the group supply/common first, then the output fuse/protection, field wiring, load, and terminal connections.

 

Frequently Asked Questions

What is the Schneider 140DDO35300?

The 140DDO35300 is a 32-channel, 24 VDC solid-state digital output module for Modicon Quantum. It uses positive/source logic and divides the outputs into four groups of eight.

What voltage does it output?

The nominal output is 24 VDC, with a specified output-voltage range of 19.2–30 VDC.

How many outputs does it have?

It has 32 discrete outputs, arranged as 4 groups × 8 channels.

What is the maximum load current?

The published specification gives 16 A maximum per module and 4 A maximum per group. The actual permissible current for an individual field load should be evaluated against the output protection and application wiring.

What type of logic does it use?

The 140DDO35300 uses positive logic (source). Schneider’s Quantum documentation distinguishes it from the 140DDO35310, which is the true-low/sink version.

What is the response time?

The specified response time is ≤1 ms for both state 0→1 and state 1→0 transitions.

How is the module protected?

The module provides internal 5 A fuse protection per group. Published documentation also specifies associated fuse ratings of 3 A per output point and 5 A per group.

Is 140DDO35300 discontinued?

Yes, but the exact lifecycle date differs by Schneider region. For example, Schneider’s UK page currently lists December 31, 2030 as the discontinuation/end-of-service date, while other regional Schneider pages show earlier commercial discontinuation dates.

What is the recommended replacement?

Schneider identifies BMXDDO3202K as the replacement: a Modicon X80 32-output, 24 VDC positive-logic module.

This should not be treated as a simple plug-in Quantum replacement. The BMXDDO3202K belongs to the X80 platform, so rack architecture, I/O addressing, terminal arrangement, PLC configuration, and migration requirements must be reviewed.

Is 140DDO35300 interchangeable with 140DDO35310?

No. The 140DDO35300 is the positive/source-logic version, while Quantum documentation identifies 140DDO35310 as a 24 VDC true-low/sink output module. The field wiring and logic behavior are therefore different.

What should I specify when purchasing a replacement?

For a legacy 140DDO35300, specify:

  • Exact part number: 140DDO35300
  • Module revision, if applicable
  • Condition: Factory Sealed / New Original / New Surplus / Refurbished & Tested
  • Terminal block/accessories included or not
  • Clear nameplate photographs
  • Output-channel and fuse condition for used/refurbished units

For critical spare inventory, retaining an exact 140DDO35300 replacement can avoid an unplanned Quantum-to-X80 migration during a production outage.

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