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en:hw:connection-of-ao-hidden [2021/01/12 14:11] avsetula |
en:hw:connection-of-ao-hidden [2022/07/13 14:58] (current) avsetula |
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| - | Analog outputs are designed for control of external devices such as three-way valves or heat exchangers using 0-10V analog voltage signal or 0-20 mA current signal. | + | Analog outputs are designed for control of external devices such as three-way valves or heat exchangers using 0-10 V⎓ analog voltage signal or 0-20 mA current signal. |
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| + | <WRAP center round important 95%> | ||
| + | **Caution!** \\ | ||
| + | A short circuit or long-term overload of the analog output can cause permanent damage, which is manifested by a signal conversion error or a completely non-functional output. | ||
| + | </WRAP> | ||
| ====== Connection ====== | ====== Connection ====== | ||
| - | External devices are connected to **AGND** and **AOx** (or **AOVx** and **AOVy.x**) terminals. The following image depicts connection of a device to analog output: | + | External devices are connected to **AGND** and **AORx** or **AORy.x** terminals or to **AGND** and **AOVx** or **AOVy.x** terminals. The following image depicts connection of a device to analog output: |
| {{ :en:hw:008_connection_of_io.png?direct&200 |}} | {{ :en:hw:008_connection_of_io.png?direct&200 |}} | ||
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| ====== Description of modes ====== | ====== Description of modes ====== | ||
| - | <html><span class="kbBlueText">Group 1 AOs can generate voltage or current:</span></html> \\ | + | <html><span class="kbBlueText">Section 1 analog output AOR (previously only AO) can generate voltage or current:</span></html> \\ |
| It is necessary to select the output mode first and then control the output by entering values in the control software. | It is necessary to select the output mode first and then control the output by entering values in the control software. | ||
| The expected values are: | The expected values are: | ||
| - | * Voltage -> 0-10 (V) | + | * Voltage -> 0-10 (V⎓) |
| * Current -> 0-20 (mA) | * Current -> 0-20 (mA) | ||
| - | <html><span class="kbBlueText">Resistance measuring on group 1 AO: (with the exception of some controllers, eg. S5xx)</span></html> \\ | + | <html><span class="kbBlueText">Resistance measuring on section 1 AOR (previously only AO):</span></html> \\ |
| This feature is useful for collecting data from resistance sensors such as PT1000 temperature sensor. | This feature is useful for collecting data from resistance sensors such as PT1000 temperature sensor. | ||
| ---- | ---- | ||
| - | <html><span class="kbBlueText">Analog outputs in groups 2,3 and on S5xx controllers support only voltage output:</span></html> \\ | + | <html><span class="kbBlueText">Analog outputs AOV in sections 2,3 and on S5xx units support only voltage output:</span></html> \\ |
| - | The output voltage is regulated by entering the required value into the control SW. Expected values are 0-10 (V). | + | The output voltage is regulated by entering the required value into the control SW. Expected values are 0-4000, which linearly corresponds to values of 0-10 V⎓ at the output. |
