Yokogawa ET5-B Universal Thermocouple Input Signal Conditioner Card
Yokogawa ET5B
Universal Thermocouple Input Card
ET5-B pdf
Place of Origin:
JAPAN
Brand Name:
Yokogawa
Yokogawa ET5B
,Universal Thermocouple Input Card
,ET5-B pdf
ET5-B
Technical Specifications
ET5*B model-specific information| Manufacturer | Yokogawa |
| Model designation in YS150/YS170 manual | ET5*B |
| Input option | /A02 |
| Product function | Universal thermocouple input signal-conditioning card |
| Documented controller family | YS100 Series: YS150 / YS170 |
| Input signal | Thermocouple |
| Supported thermocouple types | B, E, J, K, T, R, S and N |
| Engineering units | Degrees C, F or K |
| Input zero | Configurable through the SC MAINT menu |
| Input span | Configurable through the SC MAINT menu |
| Burnout selection | OFF, UP or DOWN |
| Wiring resistance compensation | Wiring R parameter compensates for errors associated with high thermocouple wire resistance and burnout current |
| Input compensation | Zero adjustment and span adjustment are available |
| Configuration interface | YS150 / YS170 SC MAINT display |
| Card communication | Controller menu communicates with the signal-conditioning card |
| Model identification | Installed card model name can be displayed |
| Input value | Displayed in configured engineering units |
| Output value | Displayed as a percentage |
| Self-check | GOOD or ERROR result |
| Revision information | Card software revision number can be displayed |
04 / Detailed Configuration Parameters
| B06 / T/C Type | Selects B, E, J, K, T, R, S or N thermocouple input |
| B09 / Unit | Selects degrees C, F or K |
| B10 / Zero | Sets the input range zero point |
| B11 / Span | Sets the input span; span is the upper input range minus the zero point |
| B12 / Burn Out | Selects OFF, UP or DOWN |
| C03 / Wiring R | Compensates for errors associated with high thermocouple wire resistance and burnout current |
| C04 / Zero Adj. | Increases, decreases or resets input compensation for the A/D converter |
| C05 / Span Adj. | Increases, decreases or resets input compensation for the A/D converter |
Model details above follow Yokogawa's YS100 Series installation and operation manual. Confirm the complete suffix and controller configuration before ordering.
Configuration & Installation Notes
Controller menu · input setup · field wiringSC MAINT Configuration
For the YS150/YS170 arrangement documented in the manual, ET5*B is the /A02 universal thermocouple input option. Card parameters are accessed through the controller's SC MAINT display.
- Enable the SC MAINT communication function.
- Establish communication with the installed signal-conditioning card.
- Set the thermocouple type and engineering unit.
- Set the input zero and span to the required measurement range.
- Select the required burnout behavior: OFF, UP or DOWN.
- Review wiring resistance compensation and input zero/span adjustment when required.
Controller Interface
The direct-input arrangement depends on the controller model and its configured process-variable path.
- For YS150, the manual describes the direct-input signal conversion and the required connection from terminals 9 and 10 to the process-variable input at terminals 1 and 2.
- For YS170, the process-variable assignment depends on the custom program configuration.
- Verify the controller terminal assignment and wiring diagram before changing field connections.
Application & Failure Scenarios
Temperature measurement · loop control · maintenanceThermocouple-Based Process Monitoring
ET5*B is documented as a universal thermocouple input option for Yokogawa YS150 multifunction loop controllers and YS170 programmable controllers. It is used where a thermocouple measurement is required as a controller input for temperature indication and configured process-control functions.
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Frequently Asked Questions
Yokogawa ET5-B1. What is the function of the Yokogawa ET5-B?
Yokogawa's YS150/YS170 manual identifies ET5*B as a universal thermocouple input signal-conditioning card used with input option /A02.
2. Which thermocouple types are supported?
The documented selectable thermocouple types are B, E, J, K, T, R, S and N.
3. Can the temperature unit and burnout behavior be configured?
Yes. The documented settings include degrees C, F or K, together with burnout selections OFF, UP or DOWN.
4. How is the ET5*B configured in a YS150 or YS170 controller?
The controller manual describes using the SC MAINT display to communicate with the card and configure thermocouple type, engineering unit, zero, span and related adjustment parameters.
5. What should be checked before ordering a replacement?
Check the complete card marking, controller model, installed input option and existing configuration. The ET5 designation alone should not be used to assume that different suffix or controller variants are interchangeable.
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