Questions tagged [plc]
Programmable Logic Controller
279
questions
1
vote
1
answer
72
views
Runtime display for last 24 hours
I'm working on a BRX PLC connected to a C-More HMI. I'm using Do-More Designer to write ladder code. I'm looking for ladder logic that will give me the runtime of a circulating pump in the last 24 ...
- 45
2
votes
4
answers
189
views
Interfacing Delta PLC and Arduino (Logic Signals)
I am trying to connect a Delta PLC (DVP-10SX) to an Arduino UNO. What I'm trying to achieve here is to be able to exchange Logic signals between both the PLC which has a logic level of 0-24V and ...
- 21
0
votes
4
answers
115
views
Connecting every other DIN terminal to each other
I am building a custom panel. My output DIN terminals are supposed to be in this order: Power, Ground, Power, Ground, Power, Ground.... I cannot find a proper way (jumpers or bars) to connect them. ...
- 101
1
vote
2
answers
37
views
Does it make sense to look into the voltage and current of the power supply for my PLC controller?
The power supply of the PLC controller I am working with (X20PS9600 to be precise) has internal readings into software for the current and voltage it is delivering. I am not sure about the purpose of ...
- 858
0
votes
3
answers
290
views
Reading 4-20 mA industrial pressure sensor
I am trying to read an industrial pressure sensor (datasheet) with range 0-10 bar and output 4-20 mA, with an Arduino Opta RS485, powered from an external 12 VDC source.
Leaving the sensor in the air,...
- 113
1
vote
2
answers
75
views
How to Drive a 50uA Panel Meter with a PLC Running 24v Inverted PWM Signal
Full disclosure, I am not an engineer of any kind. Just an electronics enthusiast.
I have a Barth 850 micro PLC that needs to operate at 24v, and has one PWM output. I also have a 50uA panel meter ...
- 11
0
votes
0
answers
49
views
Using both safety PLC and safety relay
I am in the process of designing a robotic cell. This contains a safety door and several e-stops. I want to use the safety PLC from siemens S7-1200F. I need to have two roller tracks with 8 24V motors ...
0
votes
3
answers
190
views
Using the PLC output to mimic a NPN sensor as the input to a device
I got a device which has a connection to a NPN proximity sensor, it'll do something when the sensor is being trigged.
Now I remove the sensor, using a PLC(24vdc) to do the job of sending the signal to ...
- 101
2
votes
1
answer
120
views
3 wire and 4 wire wiring configuration in PLC [closed]
I need some clarification on 3 and 4 wire connection.
In the 2/3/4 wire system, Is the PLC must to provide power to the transmitter or transmitter is powered by the external supply.?
Please clarify ...
- 159
1
vote
1
answer
95
views
How does deceleration work on a servo drive?
I'm confused by the fact that PLCopen MC-blocks used to control servo drives from a PLC have separate acceleration and deceleration parameter. For instance, MC_MoveAbsolute.
I don't understand what ...
1
vote
1
answer
53
views
How to drive 0-85mA proportional solenoid valve with WAGO PLC 4-20mA or 0-10V?
I am looking to use an SMC PVQ valve. I need to drive it using a WAGO PLC. Common modules for the WAGO PLC are 4-20mA and 0-10V. How can I do it using these or any other module/method?
Very little ...
- 113
0
votes
0
answers
37
views
Driving multiple VFD controllers using collected data
I have a LoRaWAN sensor network that I setup which collects temperature data from multiple compost stacks and stores it in a database on the local network. I need to convert that data into an output ...
- 101
0
votes
2
answers
111
views
If you autotune a PID while the controller is live what is the worst that can happen?
I am new to using PID in studio5000. I want to autotune a heater with a CV that stays at 100, never reaching the SP but just under it.
I think that might help the controller finally reach the SP.
What ...
- 1
0
votes
0
answers
71
views
DC motor set to 0.25 RPM pulling -5 Amps at nearly 20% torque - Why the heck is it doing this?
Drive controlling the motor: PowerFlex DC Drive, 460 VAC, 3 PH, 27 Amps, 15 HP/11 kW, Regen, IP20, NEMA/UL Type Open, No HIM (Blank Plate), User Manual, No Communication Module, A Frame
Motor in ...
- 1
0
votes
1
answer
69
views
How can I identify this component on a PLC board that has gone bad?
How can I identify this component on a PLC board that has gone bad? Surface mount, unidirectional, G is the designator, 060 (090?)
It measures as an open circuit with a multimeter on a bad board and ...
user298907