@@ -57,7 +57,6 @@ Industry 4.0, system integrators
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- Thermocouple K, non grounded, front-end ** MAX31855KASA+T**
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- Thermocouple J, non grounded, front-end ** MAX31855KASA+T** with SW multiplication coefficient
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- PT100, front end ** MAX31865ATP+T**
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- - PT1000, front end ** MAX31865ATP+T**
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- ** 2 encoder channels ABZ**
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- 0-24V input
@@ -221,16 +220,16 @@ Maximum output current is 20mA per channel.
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### Temperature Measurements
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Three independent temperature measurement channels are available.
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- Each channel can measure non grounded thermocouples ** OR** PT100/PT1000 , but cannot measure them at the same time.
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+ Each channel can measure non grounded thermocouples ** OR** PT100, but cannot measure them at the same time.
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- ** NOTE** : do not connect both a thermocouple and a PT100/PT1000 to one channel.
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+ ** NOTE** : do not connect both a thermocouple and a PT100 to one channel.
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Only a single channel at a time is available to be read, according to the analog switches position.
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### Front-Ends
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- There are two front ends on this board:
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+ There are two front ends on this board:
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- - MAX31855KASA+T dedicated to thermocouples
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- - MAX31865ATP+T dedicated to PT100 and PT1000
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+ - MAX31855KASA+T dedicated to thermocouples
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+ - MAX31865ATP+T dedicated to PT100
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The front ends are multiplexed to the three channels via:
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@@ -241,7 +240,7 @@ The front ends are multiplexed to the three channels via:
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** NOTE** : Connect only ** non-grounded** thermocouples. (Grounded thermocouples are not supported).
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- ** NOTE** : Do not connect both a thermocouple and a PT100/PT1000 to a channel.
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+ ** NOTE** : Do not connect both a thermocouple and a PT100 to a channel.
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Connect a thermocouple to channel 0:
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- Connect the thermocouple positive pin to TP0
@@ -261,7 +260,7 @@ Connect a thermocouple to channel 2:
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** NOTE** : Do not connect the thermocouple negative pin to GND
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- ### Connect Two Wires RTDs (PT100 or PT1000 )
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+ ### Connect Two Wires RTDs (PT100)
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Connect a two wire RTD to channel 0:
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- Connect one RTD pin to TP0
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- Connect the other RTD pin to TN0
@@ -277,7 +276,7 @@ Connect a two wire RTD to channel 2:
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- Connect the other RTD pin to TN2
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- Connect a jumper between TP2 and RTD2
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- ### Connect Three Wires RTDs (PT100 or PT1000 )
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+ ### Connect Three Wires RTDs (PT100)
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Connect a three wire RTD to channel 0:
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- Connect one RTD pin to TP0
@@ -391,7 +390,7 @@ Now that you have gone through the basics of what you can do with the board you
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### Temperature Probes (J7)
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- ** NOTE** : RTD (** R** esistance ** T** emperature ** D** etector) are PT100 or PT1000 .
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+ ** NOTE** : RTD (** R** esistance ** T** emperature ** D** etector) are PT100.
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| Pin | ** Type** | ** Channel** | ** Description** |
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| --- | -------- | ----------- | -------------------------------------------------------------- |
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