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Rahul Vaze

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Rahul Vaze


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RE: Powerflex 755 Analog Output Not Stable

Posted By Rahul Vaze Oct 10, 2025 12:10:08 PM
Found In Egroup: Drives, Motion Control & Low Voltage Products \ view thread
Yes , it was solved . We introduced a signal isolator in between the Drive and Dgital Indicator .

HMI TAG ALARM LOG VIEWER -- BOTTOM TAB DATE

Posted By Rahul Vaze Aug 18, 2025 07:55:00 AM
Found In Egroup: Advanced Software \ view thread
Dear All , We are using FTVIEW 10 for one of our application and using Legacy Tag Alarms with logging enabled . When i click the HMI Tag Alarm Log Viewer properties to select the Log files i dont see it in proper format . It shows something like 2025 Liiqen 18-A , 2025 Liiqen 16-A as per the date ...

Powerflex 755 Analog Output Not Stable

Posted By Rahul Vaze Jul 15, 2025 07:19:00 AM
Found In Egroup: Drives, Motion Control & Low Voltage Products \ view thread
Hi , We have a Powerflex 755 with add on I/O card and the analog output is connected to local digital indicator . It is observed that the Analog output from the Drive is not stable and the display indicator values fluctuates a lot . The Analog Output is configured correctly ( for Output Frequency ...

E300 Devicenet Messaging

Posted By Rahul Vaze Jun 05, 2025 01:26:00 PM
Found In Egroup: Automation Control \ view thread
Hi All , We are having a few E300 on a existing Devicnet network . Now we want to read trip Status from E300 over Device net via messaging . Is it possible ?? If so what could be class , attributes and Instances RV

RE: Powerflex 755 Fast Acceleration

Posted By Rahul Vaze Apr 03, 2025 11:05:00 AM
Found In Egroup: Drives, Motion Control & Low Voltage Products \ view thread
Hi Thanks for the reply We tried to set it as mentioned but the response is very sluggish . Before atleast the drive response was fast but while lowering or even raising the drive with torque proven enabled the drive is jerking while running also . The time (1107 parameter number) was ...

RE: Powerflex 755 Motor Jerks while Starting / Stopping

Posted By Rahul Vaze Apr 03, 2025 11:01:00 AM
Found In Egroup: Drives, Motion Control & Low Voltage Products \ view thread
Hi , Yes we are using a PF755 I/O card to switch ON/OFF the mechanical brake . The Relay turns ON on the drive Running Status bit from the Drive

Powerflex 755 Motor Jerks while Starting / Stopping

Posted By Rahul Vaze Apr 02, 2025 12:58:00 PM
Found In Egroup: Drives, Motion Control & Low Voltage Products \ view thread
Hi , We have PF755 controlling a Transfer car movement . The control mode is set to Induction SV and Accl and Decel Time are set to 2sec . The braking is dynamic . When the motor starts or stops then we have always a Jerk . We tried to elimnate it using longer accel and decel time but then ...

SFC Execution Staus

Posted By Rahul Vaze Mar 05, 2025 10:38:00 AM
Found In Egroup: Automation Control \ view thread
Hi All , We are using a Control Logix L83ES with V35 . We have a lot of SFC in it for various machine . Is there any way to obtain the Status of the SFC routine i.e whether the routine is paused or Running . I am aware that we put a SFC in either a Pause state or Running State , but is it ...

5098-OB8 Output LED Blinking

Posted By Rahul Vaze Feb 09, 2025 05:39:00 AM
Found In Egroup: Automation Control \ view thread
Hi All , I am facing a peculiar issue with one of the outputs of 5094-OB8 . Whenever i force the output to ON from the controller , the output LED of the particular channel keeps blinking ( Yellow light ON/OFF ) . This is happening for only one particular output whereas all other outputs ...

SFC Execution and Pause

Posted By Rahul Vaze Jan 25, 2025 11:18:00 PM
Found In Egroup: Automation Control \ view thread
Hi All , I have a query regarding SFC execute and Pause in SFC State Instruction. I am aware that by using SFR i can reset the SFC to the required state . But i am confused regarding SFC execute and Pause. Do i need to enable the execute only one time and the SFC executes continously ...

5094-IB16S Safety Inputs

Posted By Rahul Vaze Jan 05, 2025 03:21:00 AM
Found In Egroup: Automation Control \ view thread
Is it possible that in IB16S i dont use the SA+ power Row i.e Test Output Points will be configured as None . Field Emergency Stops will be connected to the IB16s inputs . They will be from a common Power Supply and the Gnd of the Power Supply will be connected to the IB16S SA-

Safety PLC -- DCS Instruction

Posted By Rahul Vaze Dec 30, 2024 12:24:00 AM
Found In Egroup: Automation Control \ view thread
Hi , I am using a Safety PLC 1756-L83ES . I have emergency stop over the field areas . I am using DCS instruction for it . Everything works fine , however when i restart the PLC system , i need to Reset each and every emergency in the field and then press Reset for the Safety System to be ...

Powerflex 755 Fast Acceleration

Posted By Rahul Vaze Dec 22, 2024 01:20:00 AM
Found In Egroup: Drives, Motion Control & Low Voltage Products \ view thread
Hi , I am using a Powerflex 755 to control the speed of the Lifting Table UP/Dwn . The Table is driven by Motor that has a brake which is turned ON when the drive is ON (using the Relay Out of PF755 . Relay Out is turned ON when the Drive Running bit of the Drive Status is Active ) . Now when i ...

RE: Powerflex 755 Ready Not Coming ( Control over Ethernet )

Posted By Rahul Vaze Dec 22, 2024 12:24:00 AM
Found In Egroup: Drives, Motion Control & Low Voltage Products \ view thread
Hi , But i am not using giving a seprate Stop command . I am just using a Command Run command

RE: Powerflex 755 Safe Torque Option

Posted By Rahul Vaze Dec 22, 2024 12:21:00 AM
Found In Egroup: Drives, Motion Control & Low Voltage Products \ view thread
Yes the jumpers are set accordingly . Still i cant have Safe Torque ( with Hardware and Ethernet) and i am getting fault 104 as mentioned in the page 75 of the above mentioned manual . Any suggestions

Powerflex 755 Safe Torque Option

Posted By Rahul Vaze Dec 15, 2024 03:24:00 AM
Found In Egroup: Drives, Motion Control & Low Voltage Products \ view thread
Dear All , Is it possible to have Powerflex Start/Stop fucntion control over Ethernet while at the same time have STO functionality using add on Safety Card . I am trying to use it but it gives me error asking me to remove the Safety Card Digital Inputs Please advise

Powerflex 755 Ready Not Coming ( Control over Ethernet )

Posted By Rahul Vaze Dec 12, 2024 10:30:00 AM
Found In Egroup: Drives, Motion Control & Low Voltage Products \ view thread
I am using a Powerflex 755 control over Ethernet (Embedded port) . I am using Logic Command Run to Start/Stop the Drive and Logic Command Forward and Reverse to Forward and Reverse the Drive . Now i am not able to Ready signal from drive over Ethernet only when i Start/Stop the drive . This is ...

L83E Embedded Ethernet Port

Posted By Rahul Vaze Nov 26, 2024 08:09:00 PM
Found In Egroup: Automation Control \ view thread
Dear All , I am having a L83E ( Safety ) for one of the machines . It needs to talk to another L83E via produced / consumed tags through the embedded ethernet port and also to Local SCADA . The PLC will be on same IP address range. The amount of produced/consumed data would be very less . ...

RE: 1769-HSC Erratic Counts

Posted By Rahul Vaze Oct 24, 2024 12:47:00 AM
Found In Egroup: Automation Control \ view thread
Do u mean that the encoder signals of A0+ and A0- to be connected to B0+ and B0- of the encoder terminals

RE: 1769-HSC Erratic Counts

Posted By Rahul Vaze Oct 23, 2024 01:33:00 AM
Found In Egroup: Automation Control \ view thread
Hi Steve , We have done wiring as per the encoder datasheet. The Filter Status for AO and A1 are both kept to none. Wat we have observed is that when motor rotates at low speed ( Driven through VFD) the Encoder counts are less as compared to the counts received when the motor rotates at high ...