Do the TM3AI2H, TM3AI4, TM3AI8 or TM3TI4 modules require an external loop power supply or do the modules provide it for the 4-20mA current loops ?
The TM3AI2H, TM3AI4, TM3AI8 or TM3TI4 require an external loop power supply for their 4-20mA current loops. The module does not provide it. Here is an example
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