Products Description
The 1791-DSIB8XOB8 DeviceNet Safety I/O Module is a compact, device-level safety module designed for Allen-Bradley safety control systems. It combines safety-rated digital inputs and outputs within a single DeviceNet Safety node, allowing safety functions to be executed closer to field devices.
By integrating safety I/O at the machine level, the 1791-DSIB8XOB8 reduces wiring complexity while maintaining compliance with functional safety requirements. It is commonly used to connect emergency stops, safety switches, light curtains, and safety actuators directly to a DeviceNet Safety network.
This approach improves system responsiveness and simplifies the design of distributed safety architectures.
Role Within the Control System Architecture
Safety Controller → DeviceNet Safety Network → 1791-DSIB8XOB8 → Safety Devices
Within a machine safety system, the 1791-DSIB8XOB8 acts as a distributed safety I/O interface, responsible for:
• Collecting safety input signals from field devices
• Driving safety-rated outputs to actuators or relays
• Communicating safety status over DeviceNet Safety
• Enabling decentralized safety logic execution
• Reducing point-to-point wiring back to control cabinets
This structure allows safety functions to be placed exactly where they are needed-at the machine.
Technical Specifications
| Parameter | Description |
|---|---|
| Module Type | DeviceNet Safety I/O Module |
| Model Number | 1791-DSIB8XOB8 |
| Safety Inputs | 8 safety-rated digital inputs |
| Safety Outputs | 8 safety-rated digital outputs |
| Communication Protocol | DeviceNet Safety |
| Installation | Device-level / machine-mounted |
| Primary Function | Distributed safety I/O control |
| Environment | Industrial safety applications |
Contact information
Share your part numbers, required quantities, and application details, and our sales team will promptly confirm availability, pricing, and lead time. After confirmation, you'll receive clear order information, secure payment options, and efficient worldwide delivery.
Whether you need standard components, hard-to-source items, or discontinued automation parts, we are committed to supporting your projects with reliable products, responsive service, and a long-term partnership you can rely on.
Our address
32D Guomao Building, Siming District, Xiamen, Fujian, China
Phone Number (WhatsApp)
+86-18950128464
sales5@askplc.com
Product information
Key Functional Characteristics
– Combined safety digital inputs and safety outputs in one module
– DeviceNet Safety communication for safety-critical data
– Device-level installation close to sensors and actuators
– Supports fast safety response and status feedback
– Designed for harsh industrial environments
– LED indicators for I/O and communication status
– Ideal for distributed and modular machine safety systems
The module is especially suited for compact machines and safety zones where space and wiring efficiency matter.
Safety Integrity & Diagnostic Features
• Safety-rated communication over DeviceNet Safety
• Continuous monitoring of input and output status
• Diagnostic LEDs for rapid fault identification
• Clear separation of standard and safety signals
• Supports predictable and repeatable safety responses
These features help engineers achieve higher safety availability while simplifying troubleshooting.
Common Deployment Scenarios
• Adding safety I/O directly at the machine
• Replacing centralized safety wiring with distributed safety nodes
• Expanding existing DeviceNet Safety systems
• Retrofitting machines to meet updated safety standards
• Segmenting large machines into multiple safety zones
PLC EXPORT - Supply & Support Value
• Availability of active and discontinued 1791-DSIB8XOB8 modules
• All units verified for I/O and communication integrity
• Fast global shipping to minimize safety-related downtime
• Technical assistance for selection, replacement, and integration
• Flexible supply options for maintenance or new installations
FAQ
Common Problem
Can it connect emergency stop devices?
Yes, it is commonly used for E-stop and guard monitoring.
Does it support safety outputs?
Yes, it includes safety-rated digital outputs.
Does it reduce control cabinet wiring?
Yes, distributed I/O significantly reduces wiring complexity.
Are diagnostics available?
Yes, LED indicators provide I/O and communication status.
Products Description
|
TRICONEX |
9753-110 |
ABB |
SDCS-FEX-425 INT |
|
TRICONEX |
3805E |
ABB |
YPK112A 3ASD573001A13 |
|
TRICONEX |
9662-610 |
ABB |
1MRK000508-BDR02 1MRK000007-7 |
|
TRICONEX |
9563-810 |
ABB |
TU532-XC 1SAP417000R0001 |
|
TRICONEX |
9771-210 |
ABB |
3EHL409055R0001 PPB622 B01 |
|
TRICONEX |
4119A |
ABB |
IMSDI14 |
|
TRICONEX |
4329 |
ABB |
DSQC 539 |
|
TRICONEX |
3000510-180 |
ABB |
1KHL015545R0002 O4LE |
|
TRICONEX |
3008 |
ABB |
DSDO131 57160001-KX |
|
TRICONEX |
3504E |
ABB |
3BHE021083R0101 XVC770 BE101 |
|
TRICONEX |
3511 |
ABB |
DSMB-02C |
|
TRICONEX |
3664 |
ABB |
DSQC604 3HAC12928-1 |
|
TRICONEX |
3700A |
ABB |
GJR2370200R1100 81AA10E |
Hot Tags: allen bradley 1791-dsib8xob8 i/o devicenet safety module, China allen bradley 1791-dsib8xob8 i/o devicenet safety module manufacturers, suppliers
