Product Name:Monitored Guarded Output Modules
Brand Name:Allen Bradley
Model Number:T7481A
Country of Origin:USA
Warranty:12 Months
Whatsapp：+86 18159889985
Email：[email protected]
Brand Name: |
Allen Bradley |
Model Number: |
T7481A |
Country of Origin: |
USA |
Packaging Details: |
Original new Factory Sealed |
Delivery Time: |
in stock |
Payment Terms: |
T/T |
|
Sales Manager: |
Stella |
|
Send an email: |
|
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Contact in Whatsapp: |
| Item | Specification |
|---|---|
| Product Model | T7481A Monitored Guarded Output Module |
| I/O Channels | 16 outputs (2 groups of 8) |
| Output Types | 24 VDC / 110 VAC / 120 VDC variants |
| Control System | Triplicated Safetybus architecture |
| Line Monitoring | Open & short circuit detection |
| Fault Tolerance | Dual-module parallel operation supported |
| Electrical Isolation | ≥ 2500 V between field & logic |
| Operating Temperature | 0°C to 60°C |
| Storage Temperature | -40°C to 85°C |
| Humidity | Up to 95% RH non-condensing |
| Vibration Resistance | 2 m/s² |
| Frequency Range | Up to 500 Hz |
| Dimensions | 265 × 110 × 45 mm |
| Weight | 0.9 kg |
T7481A is a high-integrity monitored guarded digital output module designed for safety-critical industrial control systems. It delivers sixteen-channel output control with dual-redundant architecture, ensuring that no single internal fault can unintentionally energize a field device. The design supports reliable operation in demanding automation environments where system safety and output stability are essential.
The T7481A module integrates continuous line monitoring to detect open-circuit and short-circuit conditions in field wiring. Each output channel status is communicated back to the control system, enabling real-time diagnostics and maintenance response. Its fail-safe switching structure ensures controlled energy delivery to actuators, solenoids, and interlock devices.
In redundant configurations, T7481A, T7481, and T7484 modules can be operated in parallel to achieve fault-tolerant output control. This architecture allows uninterrupted process operation even during maintenance or single-module failure, making it suitable for high-availability industrial automation systems.
Q1 A1: What is T7481A used for?
A1: It is used for safety-critical digital output control in industrial automation systems, including process interlocks and actuator management.
Q2 A2: Does T7481A support redundancy?
A2: Yes, it supports dual-module parallel configuration for fault-tolerant operation.
Q3 A3: Can T7481A detect wiring faults?
A3: Yes, it provides automatic detection of open circuits and short circuits in field wiring.
Q4 A4: What type of outputs does T7481A support?
A4: It supports 24 VDC, 110 VAC, and 120 VDC output variants depending on configuration.
Q5 A5: Is T7481A suitable for harsh environments?
A5: Yes, it is designed for industrial environments with high vibration, temperature variation, and EMI conditions.
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