Brand:Yokogawa Electric Item No.:SAI533-H33 Product Origin:Japan Product Dimensions:130 x 124 x 32.8 mm Product Weight:0.33 kg Payment:T/T, Western Union, Credit Card Goods_stock:15 Shipping Port:Xiamen, China Lead Time:1-3 Days Condition:Brand New And Original Warranty:1 Year Certificate:COO
The Yokogawa SAI533-H33 Analog Output Module is a high-reliability industrial control component designed to deliver precise analog current signals in demanding automation environments. It is widely deployed in safety and process control systems where accurate actuator control is critical for stable plant operation.
Built for integration into Yokogawa ProSafe-RS and related architectures, the module ensures consistent performance, strong electrical isolation, and long-term operational stability even in harsh industrial conditions.
Technical Specifications
Parameter
Specification
Product Type
Analog Output Module
Model
SAI533-H33
Output Channels
8 channels (isolated)
Output Signal
4–20 mA (1.25–23 mA extended)
Accuracy
±48 µA
Update Time
40 ms
Communication
HART 5.7
Load Resistance
230–600 Ω
Isolation
Channel-to-channel & system isolation
Dimensions
130 × 124 × 32.8 mm
Weight
Approx. 0.33 kg
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Applications
• Process control systems for regulating flow, pressure, and temperature loops
• Safety Instrumented Systems (SIS) in oil & gas and petrochemical plants
• Power plant automation for actuator and valve control
• Chemical processing units requiring precise 4–20 mA signal output
• Water treatment and distribution control systems
• Industrial SCADA/DCS environments for field device actuation
Key Advantages
• High-precision 8-channel isolated analog current output (4–20 mA)
• Stable performance with low drift under temperature variations
• Strong channel-to-channel and system isolation for noise immunity
• Supports HART communication for advanced field device diagnostics
• Designed for redundant configurations in safety-critical systems
• Fast 40 ms update cycle enabling responsive process control
• Compact industrial design optimized for STARDOM and safety systems
Technical FAQs
1. What is the main function of the SAI533-H33 module?
It provides analog current outputs (4–20 mA) to control field devices such as valves and actuators.
2. How many output channels does it support?
It supports 8 isolated analog output channels.
3. What output signal range does it use?
The standard range is 4–20 mA with an extended range of 1.25–23 mA.
4. Is it suitable for safety systems?
Yes, it is widely used in Safety Instrumented Systems (SIS).
5. Does it support redundancy?
Yes, it can be configured in dual-redundant architectures.
6. What communication protocol is supported?
It supports HART communication for field device diagnostics.
7. What is the update speed of the module?
It has a data update cycle of approximately 40 ms.
8. Is signal isolation provided?
Yes, each channel is electrically isolated to reduce noise interference.
9. What types of devices can it control?
It typically controls control valves, actuators, and other analog-driven field equipment.
10. Is it suitable for harsh environments?
Yes, it is designed for industrial environments with electrical noise and temperature variations.
