HI AND MERRY CHRISTMAS
IN MY COMPANY WE HAVE A MACHINE WHICH CONTROLLED BY SLC 5/02 PROCESSOR AND ONE OF THE MODULE IN THE PLC SYSTEM IS ANALOGE MODULE 1746-NIO4V AND SET TO VOLTAGE INPUT AND VOLTAGE OUTPUT THIS MODULE FUNCTION AS:
1 CONTROL AIR PRESSURE OF THE SYSTEM WHICH WORKS FINE WHEN OPERATOR CHANGE THE AIR PRESSURE TO REQUIRED VALUE PRESSURE CHANGES ACCORDINGLY NO PROBLEM
2 THE OTHER FUNCTION IS TO INDICATE THE ARMATURE CURRENT OF DC MOTOR (DC INDICATING METER IS MY LOAD WHICH IS 50 MILI VOLT FULL SCALE DEFLECTION.
I HAVE CHECKED ON LINE INPUT AND OUT PUT WORK OK AS THE POT ON THE CONTROL TURNED CLOCKWISE THE RPM GOES UP WHCH WORKS FINE BUT I DO NOT SEE ANY THING ON INDICATING GAUGE TO SHOW THE CURRENT OF DC MOTOR AND JUST TO REMIND YOU THAT WIRING IS OK NOW MY QUESTION:
IS IT POSSIBLE THIS OUT PUT CHANNEL NOT FUNCTIONING PROPERLY EVEN THOUGH ON LINE MONITOR SHOWS EVERYTHING IS IN ORDER.
I LIKE TO ADD THAT ONE RESISTOR 20 KILO OHMS IS CONNECTED IN PARALLEL WITH THE INDICATOR
MANY THANKS EXPERTS FOR ANY RESPONSE
IN MY COMPANY WE HAVE A MACHINE WHICH CONTROLLED BY SLC 5/02 PROCESSOR AND ONE OF THE MODULE IN THE PLC SYSTEM IS ANALOGE MODULE 1746-NIO4V AND SET TO VOLTAGE INPUT AND VOLTAGE OUTPUT THIS MODULE FUNCTION AS:
1 CONTROL AIR PRESSURE OF THE SYSTEM WHICH WORKS FINE WHEN OPERATOR CHANGE THE AIR PRESSURE TO REQUIRED VALUE PRESSURE CHANGES ACCORDINGLY NO PROBLEM
2 THE OTHER FUNCTION IS TO INDICATE THE ARMATURE CURRENT OF DC MOTOR (DC INDICATING METER IS MY LOAD WHICH IS 50 MILI VOLT FULL SCALE DEFLECTION.
I HAVE CHECKED ON LINE INPUT AND OUT PUT WORK OK AS THE POT ON THE CONTROL TURNED CLOCKWISE THE RPM GOES UP WHCH WORKS FINE BUT I DO NOT SEE ANY THING ON INDICATING GAUGE TO SHOW THE CURRENT OF DC MOTOR AND JUST TO REMIND YOU THAT WIRING IS OK NOW MY QUESTION:
IS IT POSSIBLE THIS OUT PUT CHANNEL NOT FUNCTIONING PROPERLY EVEN THOUGH ON LINE MONITOR SHOWS EVERYTHING IS IN ORDER.
I LIKE TO ADD THAT ONE RESISTOR 20 KILO OHMS IS CONNECTED IN PARALLEL WITH THE INDICATOR
MANY THANKS EXPERTS FOR ANY RESPONSE
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