A
Anonymous
techbas,
1. both AI card and transmitter do not supply power to tx, so external power is mounted btw AI and tx, and it is done the way you described, to close the loop. here AI is connected to 4-20ma and return terminals.
2. this one was already described. here AI is connected to 24vdc and 4-20ma terminals.
1. both AI card and transmitter do not supply power to tx, so external power is mounted btw AI and tx, and it is done the way you described, to close the loop. here AI is connected to 4-20ma and return terminals.
2. this one was already described. here AI is connected to 24vdc and 4-20ma terminals.