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This device is for use with the MPEC SA380TX and SA380TX-L units only.
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Wiring
The device can be wired to the analogue connections of either a SA380TX or SA380TX-L data logging unit.
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The channels are as follows;
| Warning |
|---|
THE CHANNELS OF THE SA380V-I ARE SENSITIVE TO OVER VOLTAGE. PLEASE ENSURE ALL TERMINATIONS ARE CORRECT BEFORE CONNECTING THE DEVICE TO THE DATA LOGGER. |
To Logger:
Vi (Voltage Input) | Power to this SA380V-I channel. This is to be connected to the data logger’s analogue channel 24V supply pin (24). |
So (4-20mA Output) | 4-20mA output of this SA380V-I channel. This is to be connected to the signal in (S) connection on the analogue channel of the data logger. |
0 (Common) | Common Ground (0). |
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Vo (Voltage Out) | Power to sensor, this is a factory set, optional voltage output to power the connected sensor. |
Si (Signal In) | Signal input from the sensor to the device. This connection is to supply the output of the sensor into the device so that it can be converted from a voltage to a 4-20mA signal. |
0 (Common) | Common Ground. |
A380TX SA380TX TX-L Master Slave + SA380V-I Points heating Typical Circuit:
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Power Up
A soon as the device is connected to the 24V output of the data loggers analogue channels it will be powered.
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If a reasonable reading is displayed then the device is powered and functioning correctly.
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Installation
The unit has the same mounting studs as the MPEC SA380TX and SA380TX-L units. This means it can be mounted on relay bar in the same way.
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