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Configured for precise analog output signal execution in CENTUM VP and related Yokogawa DCS platforms, the Yokogawa ASI533-S (ASI533-S Analog Output Module) provides direct physical/electrical execution.
| Parameter | Specification |
|---|---|
| Model | ASI533-S |
| Brand | Yokogawa |
| Origin | Japan |
| Weight | 0.30 kg |
| Dimensions | 282 mm x 210 mm x 20 mm |
| Operating Temp | Standard industrial range (-20 to 70 deg C implied by drift specs) |
| Power Consumption | 5 V DC: 150 mA; 24 V DC: 350 mA |
| Output Channels | 8 channels (individually isolated) |
| Output Signal | 4 to 20 mA DC (HART communication supported) |
| Load Resistance | 0 to 750 ohm at 20 mA; 0 to 600 ohm at 23 mA |
| Response Time | Step response time 100 ms; data update period 10 ms |
The module executes precise 4-20 mA HART loop protocol communications across all eight channels, driving actuators and control valves with a maximum output current of 23 mA. Individual channel-to-channel and galvanic isolation of 1500 V AC protects internal control circuits from field-side ground loops and transient voltage spikes. Cold junction compensation and drift suppression circuitry maintain an accuracy of plus-minus 48 microamps under nominal operating conditions.
Q: Does the ASI533-S module support hot-swapping during active CENTUM VP controller execution?
A: Yes, when installed within a redundant node and baseplate architecture supporting online maintenance, the module can be replaced without halting system operations.
Q: How is backplane power distributed across the internal rails during full load operation?
A: The module draws a maximum current of 150 mA from the 5 V DC system bus and 350 mA from the 24 V DC external supply rail.