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PRODUCT DESCRIPTION
Thirty-two sinking outputs for ControlLogix DC circuits
Allen-Bradley 1756-OV32E is a ControlLogix digital output module with thirty-two sinking channels arranged in two groups of sixteen. It operates with a 10 to 30 V DC field supply and provides electronic fuse protection at the output-group level.
The module occupies one chassis slot and connects through a 1756-TBCH or 1756-TBS6H removable terminal block. Apply the detailed current derating, load requirements and isolation limits before wiring, then verify electronic keying and the configured output behavior during controller faults or Program mode.
The module occupies one chassis slot and connects through a 1756-TBCH or 1756-TBS6H removable terminal block. Apply the detailed current derating, load requirements and isolation limits before wiring, then verify electronic keying and the configured output behavior during controller faults or Program mode.
BEFORE YOU BUY
Confirm the complete installed configuration
ACTUAL APPLICATIONS
ControlLogix discrete-output system roles
The digital I/O manual documents local, remote and scheduled-output operation. These are supported system arrangements for compatible configured outputs, not claims that this exact catalog number was installed at a named factory.
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01 · Local control
DC outputs in the controller chassis
In a local ControlLogix chassis, the module switches compatible DC field loads according to the owner-controller output data. Match sinking polarity and retain the per-point, group and module current limits. -
02 · Distributed equipment
Remote chassis output control
In a documented remote ControlLogix chassis arrangement, output data reaches the module through the selected network bridge. Review the network connection, requested packet interval and communications-fault behavior for the installed equipment. -
03 · Coordinated switching
Scheduled output transitions
The manufacturer documents scheduled outputs referenced to the coordinated system clock. Use the applicable connection format and timing rules for this module; do not assume the performance or CIP Sync features of different high-speed I/O products.
Technical specifications for 1756-OV32E
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Product Model1756-OV32E
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Product ParametersSinking digital output module
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In stock1 unit
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ManufacturerAllen-Bradley
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Output arrangement32 sinking outputs; two groups of sixteen
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Operating field voltage10 to 30 V DC
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Switching delayOff-to-On: 75 us nominal, 300 us maximum; On-to-Off: 230 us nominal, 1 ms maximum
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Backplane current390 mA at 5.1 V; 2 mA at 24 V
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Maximum heat dissipation5.88 W at 60 degrees Celsius
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Off-state leakage1 mA maximum per output
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On-state voltage drop350 mV DC maximum at 0.5 A
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Continuous load limitsPer point/group/module: 0.5/8/16 A at 50 C; 0.35/5/10 A at 60 C; linear derating
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Surge current2 A for 10 ms per point; repeatable every 2 seconds at 60 C
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Minimum load2 mA per output
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Isolation250 V continuous, outputs-to-backplane and group-to-group; none within a group
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Circuit protectionElectronic fusing per output group
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Removable terminal blocks1756-TBCH or 1756-TBS6H
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Configured stop behaviorHold last state, On or Off in Fault and Program modes; Off is default
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Operating ambient0 to 60 degrees Celsius
View all additional
Alternative Names
Allen-Bradley 1756-OV32E output module
1756-OV32E 32-channel DC sink module
ControlLogix 1756-OV32E digital outputs
SYSTEM & REPLACEMENT CHECK
Information needed before ordering
Three direct checks to secure your system integration and minimize ordering risks.
Information
System integration
Replacement check
Manuals & support
CONTROLLOGIX DC OUTPUTS
Verify load polarity, derating and configured behavior
Install the module in the specified ControlLogix chassis arrangement and use the documented 36-position removable terminal block. Confirm the slot assignment and electronic keying against the owner-controller project.
Wire the two output groups according to the sinking-output schematic. Account for the complete field load, ambient-temperature derating, leakage current and group protection; terminal and module ratings remain independent design limits.
Check the configured Fault and Program-mode states and the network connection before enabling the machine. Follow the current digital I/O installation and commissioning procedure, including precautions for hazardous locations and unintended equipment operation.
Features:
- Verified sinking-output wiring
- Point, group and module load checks
- Controlled fault and Program-mode response
The Allen-Bradley 1756-OV32E requires documented load and configuration checks during system integration and commissioning.
INTERCHANGEABILITY
Verify the complete replacement identity before commissioning
The official catalog currently lists 1756-OV32E as Active. No confirmed discontinuation date or required successor was established, so the existing catalog number is not presented as an obsolete item requiring automatic replacement.
For a like-for-like replacement, verify the actual series, firmware, electronic keying and removable terminal block. A related catalog number, including a coated variant, must not be treated as an unconditional substitute without checking the installed requirements.
Preserve the controller configuration and review the replacement module before applying field power. Test output polarity, group loading and configured stopped states under the approved machine commissioning procedure.
Features:
- Active catalog status
- Verify actual series and firmware
- Retest output states after replacement
The Allen-Bradley 1756-OV32E requires replacement verification against the complete installed configuration and current manufacturer documentation.
DOCUMENTATION STATUS
Browse the Manuals, Datasheets, Official Documents, Links
Important Notice: Amikon is an independent supplier. Consult the applicable Rockwell Automation documentation and installed configuration before selection, installation or replacement.
Features:
- Exact-model reference documents
- Hardware and system compatibility checks
- Accessories are supplied only when listed in the quotation
Documentation for the Allen-Bradley 1756-OV32E supports document applicability checks before installation or replacement.
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Important notice
Manuals, software, firmware, cables, calibration data and accessories are included only when listed in the quotation. AMIKON is an independent supplier and is not affiliated with or authorised by the manufacturer.
This content has been produced using multiple sources. Takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
BUYER INFORMATION
Commercial terms without hidden steps
Your written quote confirms the product identity, price, availability, lead time, warranty and shipping terms before payment.
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01
Shipping & delivery
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DispatchEligible stock: same / next day
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CarriersDHL, FedEx or UPS
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Ship fromXiamen, China
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Packed sizePacked dimensions unconfirmed
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Shipping weightGross weight unconfirmed
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Payment & customs
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PaymentBank transfer (T/T)
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CurrenciesUSD · EUR · GBP · RMB
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Credit cardsNot accepted
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HS referenceClassification unconfirmed
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OriginMalaysia
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Warranty & returns
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Warranty12 months from AMIKON
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InspectionLabel, condition and packing checks
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ReturnsPrior RMA authorisation required
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CompatibilityConfirm before order
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OEM warrantyDoes not apply
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Your written quote confirms the product identity, price, availability, lead time, warranty and shipping terms before payment.
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Part checked
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Condition checked
Label and appearance -
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Tracking supplied
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Sandy Lin
Dedicated account manager · 15+ years
FREQUENTLY ASKED QUESTIONS
Questions buyers ask about 1756-OV32E
Direct answers about identity, compatibility, stock, warranty, payment and shipping.
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Is this a sourcing or sinking output module?
It is a sinking DC output module. Confirm field-supply polarity and the load wiring shown in the manufacturer schematic; do not substitute a sourcing module without reviewing the circuit. -
Can every channel continuously switch one ampere?
Do not use that assumption. The detailed 1756-TD002T table specifies 0.5 A per point at 50 C, derating to 0.35 A at 60 C, with additional group and module limits. Use those detailed conditions and resolve any catalog-summary discrepancy with Rockwell Automation. -
Are outputs individually isolated and individually fused?
No. Electronic fusing is provided per group. Isolation is specified between groups and from outputs to the backplane, but not between outputs within the same group. -
Which terminal block should I order?
The technical data lists 1756-TBCH and 1756-TBS6H. Match the selected termination method and mechanical keying to the installed module; the RTB is ordered separately from the I/O module. -
What happens to outputs when the controller enters Program mode?
Output behavior is configurable as Hold Last State, On or Off, with Off as the default. Verify the saved application settings and the equipment response before commissioning. -
Can a very small electronic load remain affected when the output is off?
Check the load against the documented 1 mA maximum off-state leakage and 2 mA minimum operating load. Use the manufacturer wiring guidance rather than assuming that an off output is an ideal open circuit.
READY TO VERIFY YOUR PART?
Get a 1756-OV32E quote with price, lead time and revision check.
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