Allen Bradley 1734-OB8S Digital Output Module

The AB 1734-OB8S is a safety-rated digital output module from the POINT Guard I/O family, engineered for use in distributed safety applications. Featuring 8 sourcing 24V DC outputs, this module enables direct control of safety actuators such as contactors, relays, or signal lamps within a compact, IP20-rated design.

Designed for integration with GuardLogix and other safety controllers, the 1734-OB8S provides TÜV-certified safety up to SIL 3 / PL e. Its plug-in terminal compatibility and DIN rail mounting make it ideal for flexible, decentralized safety installations.

Technical Specifications

Model: 1734OB8S
Series: POINT Guard I/O
Type: Digital Safety Output Module
Number of Outputs: 8
Output Type: Sourcing (24V DC)
Output Voltage Range: 24V DC (nominal)
Terminal Base Compatibility: TB, TOP, TOP3
Plug Connection Type: Removable terminal block
Mounting Method: DIN rail
Safety Function: Safety output control up to SIL 3 / PL e

Electrical Specifications

Supply Voltage: 24V DC
Output Voltage: 24V DC
Output Current (per channel): Up to 2 A
Total Output Current (module): Up to 8 A combined
Output Protection: No internal short-circuit protection
Switching Delay (typical): <10 ms
Backplane Current (5V): ~130 mA
Power Consumption: <3.5 W
Isolation Voltage: 50V (field to system)

Network & Interface Specifications

Communication Interface: Via POINT Guard I/O safety backplane
Compatible Safety Controllers: GuardLogix, Compact GuardLogix
Protocol Support (via adapter):
✅ CIP Safety over EtherNet/IP (with safety-rated adapter)
❌ DeviceNet
❌ Modbus
❌ TCP/IP

Safety Ratings:

• SIL 3 (IEC 61508)
• PLe / Cat. 4 (ISO 13849-1)

Diagnostics: Per-channel fault reporting and status monitoring via controller

Mechanical Specifications

Enclosure Type: Open module – to be mounted in protective cabinet
Width: 12 mm
Height: 56 mm
Depth: 75.5 mm
Front Installation: Yes
Mounting Orientation: Vertical
Weight: Approx. 70 g
Module Locking: Mechanical latch to terminal base

Environmental Specifications

Operating Temperature: 0…55 °C
Storage Temperature: –40…85 °C
Relative Humidity: 5% to 95% non-condensing
Shock Rating: 30 g operational
Vibration Resistance: 2 g @ 10–500 Hz
Pollution Degree: 2
Altitude Limit: Up to 2000 m
IP Rating: IP20
Application Suitability: Indoor, safety-rated control panels

Compliance & Certifications

Certifications: UL, c-UL, CE, TÜV, RoHS
Standards Met: EN ISO 13849-1, IEC 61508, EN 62061
Safety Category: SIL 3 / PL e / Cat. 4
Use with: POINT I/O safety adapters and bases
EMC Compliance: EN 61000-6-2 / 6-4

Key Features & Benefits

✅ 8 x 24V DC Safety Outputs – High-density safety control in compact 12mm housing

✅ Certified to SIL 3 / PLe – Enables use in high-integrity safety-related applications

✅ Plug-and-Play with GuardLogix – Seamless configuration and diagnostics via Studio 5000

✅ Modular DIN Rail Design – Simplifies safety expansion and I/O configuration

✅ POINT Guard I/O System – Ideal for distributed safety architectures with real-time control

📦 Order the Allen Bradley 1734-OB8S from Drive Outlet Megastore

At Drive Outlet Megastore we offer unbeatable Allen Bradley 1734-OB8S prices. This 8-channel safety output module delivers certified performance for your distributed safety systems—available now with fast UK delivery and expert advice.

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Drive Outlet Megastore – your trusted source for Allen Bradley POINT Guard I/O and industrial safety solutions.