
Product Introduction
The Allen-Bradley 1734-IB8S Safety Digital Input Module POINTGUARD I/O is a specialized high-density safety input module designed for industrial automation systems requiring functional safety. It provides 8 sinking-type 24V DC input points and 4 PulseTest outputs, enabling safe monitoring of field devices such as emergency stop switches, safety sensors, and other critical safety components.
Its robust open-style design and DIN-rail compatibility make it suitable for compact control panels and distributed safety I/O networks. The module ensures reliable and precise detection under harsh industrial conditions, maintaining system safety and compliance with safety standards.
Product Specifications
| Parameter |
Specification |
| Product Series |
PointGuard I/O (Bul. 1734) |
| Component Type |
Safety Digital Input Module |
| Number of Safe Digital Inputs |
8 qty |
| Digital Input Type |
Sinking (PNP) |
| Number of PulseTest Outputs |
4 qty |
| Power Supply |
24V DC |
| Operating Temperature, Max |
55 °C |
| Operating Temperature, Min |
-20 °C |
| Storage Temperature, Max |
85 °C |
| Storage Temperature, Min |
-40 °C |
| Relative Humidity, Max |
95 %RH |
| Dimensions |
77 × 25 × 55 mm |
| Weight |
0.062 kg |
Applications
• Functional Safety Systems
Monitors emergency stop switches, safety interlocks, and other safety devices in industrial automation.
• Distributed Safety I/O Networks
Integrates seamlessly with POINTGUARD I/O safety networks for scalable safety solutions.
• Safety Sensor Integration
Connects safety sensors to controllers for reliable and compliant monitoring.
• Process Safety Monitoring
Ensures safe operation of automated processes and machinery.
• PulseTest Diagnostics
Supports PulseTest outputs for self-testing and system verification.
• Safety System Expansion
Allows addition of safety inputs without redesigning the primary control system.
Advantages
• High-Density Safety Input Design
Provides 8 safe digital inputs and 4 PulseTest outputs in a compact module.
• Sinking Input Compatibility
Optimized for 24V DC sinking safety devices.
• Wide Operating Temperature Range
Operates from -20 °C to 55 °C, suitable for varied industrial environments.
• High Humidity Tolerance
Supports up to 95% RH, non-condensing, ensuring reliability in harsh conditions.
• Integrated PulseTest Outputs
Enables self-test and diagnostics for functional safety compliance.
• DIN-Rail Mounting Flexibility
Simplifies installation and integration with other POINTGUARD I/O modules.
FAQ
1. How many safety digital input points does this module provide?
The module provides 8 discrete safety input points for connecting emergency stop switches, safety sensors, and other critical devices.
2. What type of digital input does it support?
It supports sinking (PNP) 24V DC inputs, compatible with standard safety devices.
3. How many PulseTest outputs are available, and what is their purpose?
The module includes 4 PulseTest outputs, used for self-testing and verifying safe operation of connected devices.
4. Can the module be mounted on a DIN rail?
Yes, it is designed for secure DIN-rail installation in control panels and distributed safety networks.
5. What is the operating temperature range?
It operates reliably between -20 °C and 55 °C, suitable for industrial environments.
6. What is the storage temperature range?
The device can be safely stored from -40 °C to 85 °C without affecting performance.
7. Can the module operate in high-humidity conditions?
Yes, it supports up to 95% RH, non-condensing, ensuring reliable operation in harsh environments.
8. Is the module suitable for distributed safety networks?
Yes, it integrates seamlessly into POINTGUARD I/O networks, supporting scalable safety system designs.
9. How does the module enhance system reliability?
By providing high-density safe inputs and PulseTest diagnostics, it ensures reliable detection and verification of safety devices.
10. What types of devices can be connected to the inputs?
Emergency stop switches, safety interlocks, safety sensors, and other 24V DC sinking safety devices can be connected directly.
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