• Allen Bradley 1715-OB8DE digital output module
  • Allen Bradley 1715-OB8DE digital output module
  • Allen Bradley 1715-OB8DE digital output module
  • Allen Bradley 1715-OB8DE digital output module
  • video

Allen Bradley 1715-OB8DE digital output module

  • Allen Bradley
  • USA
  • 2024
  • In Stock
The Allen-Bradley 1715-OB8DE is an 8-channel digital output module designed by Rockwell Automation for the Bulletin 1715 Redundant I/O System. This chassis-based, DIN-rail mounted hardware provides high reliability, fault tolerance, and diagnostics, making Allen Bradley 1715-OB8DE ideal for safety-related and critical process automation.

Allen Bradley 1715-OB8DE Key Function


1715-OB8DE Allen Bradley Critical Control Execution: Allen Bradley 1715-OB8DE delivers 8 robust 24V DC digital output channels to precisely drive field devices like valves, actuators, and relays.

Allen Bradley digital output module Fault-Tolerant Redundancy: Allen Bradley 1715-OB8DE supports dual-module (Duplex) configurations to ensure zero downtime and seamless bumpless switchover during a failure.

Allen Bradley digital output module Comprehensive Line Diagnostics: Allen Bradley 1715-OB8DE features channel-level Open-Circuit (No Load) and Short-Circuit detection to report wiring faults instantly to the controller.

Allen Bradley digital output module Hot-Swapping (RIUP): Allen Bradley 1715-OB8DE permits Removal and Insertion Under Power, allowing you to replace modules online without interrupting your industrial process.


1715-OB8DE digital output module Installation guide 

1. 1715-OB8DE Allen Bradley Mount the Base
  • Snap the 1715 base unit onto a 35mm DIN rail.

  • Hook the matching termination assembly onto the base unit.

2. 1715-OB8DE Allen Bradley Connect the Wiring
  • Wire the field devices directly to the termination assembly channels.

  • Connect the external 24V DC field power supply to the designated terminals.

3. Insert 1715-OB8DE digital output module
  • Align the 1715-OB8DE digital output module with the slot guide rails.

  • Push firmly until the top and bottom latches click into place.

If you want to more details about 1715-OB8DE digital output module,please contact me without hesitate.Email:sales@sparecenter.com

1715-OB8DE digital output module FAQ

Q1: What is the primary application of the Allen-Bradley 1715-OB8DE module?
A1: The 1715-OB8DE Allen Bradley is an 8-channel digital output module designed for high-availability, fault-tolerant industrial processes. 1715-OB8DE Allen Bradley provides safety-related and critical control execution by delivering 24V DC power to field devices like valves, actuators, and interposing relays within a Bulletin 1715 redundant I/O architecture.
Q2: Does the 1715-OB8DE support hot-swapping during live plant operations?
A2: Yes, the 1715-OB8DE Allen Bradley features Removal and Insertion Under Power (RIUP) capabilities. This allows control engineers to replace a faulted 1715-OB8DE module online without interrupting power to the chassis or disrupting the active execution of neighboring modules.
Q3: What type of diagnostics are built into the 1715-OB8DE channels?
A3: The Allen Bradley digital output module offers advanced, channel-level line diagnostics. It continuously monitors the field loops to detect and report Open-Circuit (No Load) and Short-Circuit conditions directly to the controller tags for rapid troubleshooting.
Q4: Which termination assemblies are compatible with the 1715-OB8DE for field wiring?
A4: The Allen Bradley digital output module must be paired with specific termination assemblies depending on the architecture. Use the 1715-TASOB8DE termination assembly for standard Simplex (single module) configurations, or the 1715-TADOB8DE assembly for redundant Duplex (dual module) configurations.
Q5: How do I troubleshoot an active "Healthy" LED flashing red on the 1715-OB8DE faceplate?
A5: A flashing or solid red "Healthy" LED on the Allen Bradley digital output module usually indicates an internal hardware fault, a field power loss, or a Soft Error Detection (SED) anomaly. If the Allen Bradley digital output module is running in simplex mode under specific older firmware, use the AADvance 1715 Trusted Collection Tool to extract the precise internal error logs.


Your Global Connection to Premium Industrial Automation Brands


Allen-Bradley: ControlLogix, CompactLogix, and PLC-5 systems.

ABB: AC800M series, Symphony, and Bailey INFI 90 systems.

Siemens: S7-200, S7-300, S7-400, and obsolete S5 systems.

Bently Nevada: 3500 and 3300 series vibration monitoring cards.

Honeywell: Experion PKS, C300, and TDC3000 DCS hardware.

Invensys Triconex: Triple Modular Redundant (TMR) safety systems.

GE Fanuc: PACSystems RX3i, 90-30, and 90-70 modules.


Other Modules



1785-L60B1756-CNBR
1756-CN21756-DNB
1746-IB321756-EN2F
1756-IF161756-EN2TR
1747-BA1756-IT6I2
1771-OBD1756-IV16
1203-GD11756-L55M12
1746-HT1756-L55M13
1746-IB161756-L61S
1746-IH161756-L63
1746-IO81756-L63XT
1746-IV161756-L64
1746-NI81756-L65
1746-NIO4I1756-L71S
1746-OB321756-L72
1746-OW161756-LSC8XIB8I
1747-ACN151756-LSP
1747-L5311756-OB16D
1747-SCNR1756-OF6VI
1756-CNB1756-PA75R

Allen Bradley 1715-OB8DE

Email: sales@sparecenter.com


CUSTOMER VOICE

Get the latest price? We will reply as soon as possible (within 12 hours)

Sparecenter sells new and surplus products and develops channels for purchasing such products. This website has not been approved or recognized by any of the listed manufacturers or trademarks. Sparecenter is not an authorized distributor, dealer, or representative of the products displayed on this website. All product names, trademarks, brands, and logos used on this website are the property of their respective owners. The description, explanation, or sale of products with these names, trademarks, brands, and logos is for identification purposes only and is not intended to indicate any association with or authorization from any rights holder.
("[type='submit']")