Yokogawa ASI533-H00 Isolated Analog Output Module
The Yokogawa ASI533-H00 , also cataloged as the ASI533 Analog Output Module, operates as a dedicated hardware component for high-precision analog signal generation and field actuator control within Yokogawa process automation systems.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | ASI533-H00 |
| Brand | Yokogawa |
| Origin | Japan |
| Weight | 0.50 kg (1.10 lbs) |
| Dimensions | 32.8 mm x 130 mm x 107.5 mm |
| Operating Temp | -20 to 60 deg C |
| Power Consumption | 150 mA at 5 VDC, 350 mA at 24 VDC |
| Product Type | Analog Output Modules |
| Output Channels | 8 isolated channels |
| Signal Range | 4-20 mA DC (23 mA maximum output) |
| Load Resistance | 0 to 750 ohm at 20 mA; 0 to 600 ohm at 23 mA |
| Accuracy | +/-48 uA |
| Response Time | 100 ms step response time |
| Update Rate | 10 ms data update period |
| Withstanding Voltage | 1500 VAC channel-to-system isolation |
4-20 mA HART Loop Protocol & Channel-to-Channel Isolation Integration
The ASI533-H00 generates eight independent, galvanically isolated current outputs to drive final control elements such as control valves, positioners, and variable speed drives. Integrated isolation barriers prevent ground loop cross-talk and block high-voltage surges, ensuring safe execution when driving field devices across hazardous area boundaries. The fast 10 ms update cycle and low temperature drift coefficient (+/-16 uA per 10 deg C) maintain tight closed-loop control accuracy for sensitive 4-20 mA HART loop protocol actuators and process loops.
Frequently Asked Questions
Q: What is the maximum allowable loop load resistance for the ASI533-H00 output channels?
A: The module supports a maximum loop resistance of 750 ohm when operating at the standard 20 mA nominal output, and up to 600 ohm when driving a full 23 mA over-range current.
Q: Does the ASI533-H00 provide channel-to-channel galvanic isolation?
A: Yes, all eight analog output channels feature individual galvanic isolation and a 1500 VAC withstanding voltage specification to isolate field devices from host control logic.
Field Installation Guidelines
- Isolate system power and field loop power circuits prior to installing or removing the module assembly from the rack baseplate.
- Verify that the module keying pegs align properly with the backplane slot guides before sliding the card into position.
- Tighten the module front panel locking screws to maintain chassis mechanical frame grounding and vibration integrity.
- Route 4-20 mA field output wiring using twisted-shielded pair cables, terminating shields at a single protective earth point to avoid noise coupling.
- Ensure field loop load impedances do not exceed 750 ohm per channel to maintain linear output current scaling across the full 4-20 mA operating range.
Yokogawa ASI533-H00 Isolated Analog Output Module
Yokogawa ASI533-H00 Isolated Analog Output Module
The Yokogawa ASI533-H00 , also cataloged as the ASI533 Analog Output Module, operates as a dedicated hardware component for high-precision analog signal generation and field actuator control within Yokogawa process automation systems.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | ASI533-H00 |
| Brand | Yokogawa |
| Origin | Japan |
| Weight | 0.50 kg (1.10 lbs) |
| Dimensions | 32.8 mm x 130 mm x 107.5 mm |
| Operating Temp | -20 to 60 deg C |
| Power Consumption | 150 mA at 5 VDC, 350 mA at 24 VDC |
| Product Type | Analog Output Modules |
| Output Channels | 8 isolated channels |
| Signal Range | 4-20 mA DC (23 mA maximum output) |
| Load Resistance | 0 to 750 ohm at 20 mA; 0 to 600 ohm at 23 mA |
| Accuracy | +/-48 uA |
| Response Time | 100 ms step response time |
| Update Rate | 10 ms data update period |
| Withstanding Voltage | 1500 VAC channel-to-system isolation |
4-20 mA HART Loop Protocol & Channel-to-Channel Isolation Integration
The ASI533-H00 generates eight independent, galvanically isolated current outputs to drive final control elements such as control valves, positioners, and variable speed drives. Integrated isolation barriers prevent ground loop cross-talk and block high-voltage surges, ensuring safe execution when driving field devices across hazardous area boundaries. The fast 10 ms update cycle and low temperature drift coefficient (+/-16 uA per 10 deg C) maintain tight closed-loop control accuracy for sensitive 4-20 mA HART loop protocol actuators and process loops.
Frequently Asked Questions
Q: What is the maximum allowable loop load resistance for the ASI533-H00 output channels?
A: The module supports a maximum loop resistance of 750 ohm when operating at the standard 20 mA nominal output, and up to 600 ohm when driving a full 23 mA over-range current.
Q: Does the ASI533-H00 provide channel-to-channel galvanic isolation?
A: Yes, all eight analog output channels feature individual galvanic isolation and a 1500 VAC withstanding voltage specification to isolate field devices from host control logic.
Field Installation Guidelines
- Isolate system power and field loop power circuits prior to installing or removing the module assembly from the rack baseplate.
- Verify that the module keying pegs align properly with the backplane slot guides before sliding the card into position.
- Tighten the module front panel locking screws to maintain chassis mechanical frame grounding and vibration integrity.
- Route 4-20 mA field output wiring using twisted-shielded pair cables, terminating shields at a single protective earth point to avoid noise coupling.
- Ensure field loop load impedances do not exceed 750 ohm per channel to maintain linear output current scaling across the full 4-20 mA operating range.
