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Programmable relays
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Programmable relays

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1-channel weekly timer 230V AC

1-channel weekly timer 230V AC

HEMPIS Sp. z o.o.
€20.63 +VAT
PLN 94.87
  • Manufacturer: ZAMEL SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ
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HEMPIS Sp. z o.o.
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1-channel weekly timer - yearly external memory 24-250V AC / 30-300V DC TYPE: ZCM-22P / U

1-channel weekly timer - yearly external memory 24-250V AC / 30-300V DC TYPE: ZCM-22P / U

HEMPIS Sp. z o.o.
€53.29 +VAT
PLN 245.00
  • Manufacturer: ZAMEL SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ
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HEMPIS Sp. z o.o.
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Timer 1ch weekly external memory 24-250C AC / 30-300V DC

Timer 1ch weekly external memory 24-250C AC / 30-300V DC

HEMPIS Sp. z o.o.
€27.98 +VAT
PLN 128.64
  • Manufacturer: ZAMEL SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ
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HEMPIS Sp. z o.o.
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1-channel weekly timer 230V AC

1-channel weekly timer 230V AC

HEMPIS Sp. z o.o.
€25.65 +VAT
PLN 117.92
  • Manufacturer: ZAMEL SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ
Supplier
HEMPIS Sp. z o.o.
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Memory programmer for external time programmers TYPE: PPZ-01

Memory programmer for external time programmers TYPE: PPZ-01

HEMPIS Sp. z o.o.
€12.62 +VAT
PLN 58.00
  • Manufacturer: ZAMEL SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ
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HEMPIS Sp. z o.o.
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Timer 2ch weekly external memory 24-250C AC / 30-300V DC

Timer 2ch weekly external memory 24-250C AC / 30-300V DC

HEMPIS Sp. z o.o.
€32.35 +VAT
PLN 148.74
  • Manufacturer: ZAMEL SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ
Supplier
HEMPIS Sp. z o.o.
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Astronomical timer - one channel ZCM-31

Astronomical timer - one channel ZCM-31

HEMPIS Sp. z o.o.
€41.68 +VAT
PLN 191.62
  • Manufacturer: ZAMEL SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ
Supplier
HEMPIS Sp. z o.o.
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2-channel astronomical timer ZCM-32

2-channel astronomical timer ZCM-32

HEMPIS Sp. z o.o.
€64.16 +VAT
PLN 295.00
  • Manufacturer: ZAMEL SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ
Supplier
HEMPIS Sp. z o.o.
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2-channel astronomical timer with memory external ZCM-32 P / U

2-channel astronomical timer with memory external ZCM-32 P / U

HEMPIS Sp. z o.o.
€68.51 +VAT
PLN 315.00
  • Manufacturer: ZAMEL SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ
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HEMPIS Sp. z o.o.
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Schneider Programmable relay 24V DC 6we 8wy Zelio Logic (SR2B201BD)

Schneider Programmable relay 24V DC 6we 8wy Zelio Logic (SR2B201BD)

Morele.net
€147.53 +VAT
PLN 678.30
  • Manufacturer: Schneider
Supplier
Morele.net
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Schneider Programmable relay 24V DC Zelio Logic (SR2B121BD)

Schneider Programmable relay 24V DC Zelio Logic (SR2B121BD)

Morele.net
€104.10 +VAT
PLN 478.63
  • Manufacturer: Schneider
Supplier
Morele.net
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Eaton Safety Relay 24V DC 14W / 4W easySafety ES4P-221-DRXD1 (111019)

Eaton Safety Relay 24V DC 14W / 4W easySafety ES4P-221-DRXD1 (111019)

Morele.net
€659.08 +VAT
PLN 3,030.20
  • Manufacturer: Eaton
Supplier
Morele.net
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Relpol Programmable relay 24V NEED-24DC-11-16-8R - 857366

Relpol Programmable relay 24V NEED-24DC-11-16-8R - 857366

Morele.net
€210.98 +VAT
PLN 970.02
  • Manufacturer: Relpol
Supplier
Morele.net
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Eaton Easy800 Programmable Relay with SmartWire-DT EASY806-DC-SWD (152902)

Eaton Easy800 Programmable Relay with SmartWire-DT EASY806-DC-SWD (152902)

Morele.net
€265.92 +VAT
PLN 1,222.60
  • Manufacturer: Eaton
Supplier
Morele.net
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Schneider Programmable relay 24V DC 6-inputs 4-outputs ZELIO LOGIC (SR2D101BD)

Schneider Programmable relay 24V DC 6-inputs 4-outputs ZELIO LOGIC (SR2D101BD)

Morele.net
€71.82 +VAT
PLN 330.22
  • Manufacturer: Schneider
Supplier
Morele.net
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Relpol Programmable relay 24V DC 8We 4OUT with display and keyboard NEED-24DC-11-08-4R (857736)

Relpol Programmable relay 24V DC 8We 4OUT with display and keyboard NEED-24DC-11-08-4R (857736)

Morele.net
€108.45 +VAT
PLN 498.59
  • Manufacturer: Relpol
Supplier
Morele.net
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Relpol Programmable relay 230V AC 8WE 4OUT with display and keyboard NEED-230AC-22-08-4R-D (859360)

Relpol Programmable relay 230V AC 8WE 4OUT with display and keyboard NEED-230AC-22-08-4R-D (859360)

Morele.net
€141.73 +VAT
PLN 651.62
  • Manufacturer: Relpol
Supplier
Morele.net
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Eaton easyE4 control relay 12-24VDC 24VAC 8DI, 4AI 4DO-R EASY-E4-UC-12RCX1 (197212)

Eaton easyE4 control relay 12-24VDC 24VAC 8DI, 4AI 4DO-R EASY-E4-UC-12RCX1 (197212)

Morele.net
€97.43 +VAT
PLN 447.96
  • EAN: 4015081939473
  • Manufacturer: Eaton
Supplier
Morele.net
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Schneider Programmable Relay 24V DC 6 IN, 4 OZ Zelio Logic (SR2A101BD)

Schneider Programmable Relay 24V DC 6 IN, 4 OZ Zelio Logic (SR2A101BD)

Morele.net
€90.63 +VAT
PLN 416.70
  • Manufacturer: Schneider
Supplier
Morele.net
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Lumel Programmable temperature controller output 1 relay output 2 relay output 3 relay power supply 85-253V AC (RE72 111100P0)

Lumel Programmable temperature controller output 1 relay output 2 relay output 3 relay power supply 85-253V AC (RE72 111100P0)

Morele.net
€93.25 +VAT
PLN 428.72
  • Manufacturer: Lumel
Supplier
Morele.net
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Programmable relays

Programmable relays are small elements of modern industrial automation. They are responsible for device control in simple machine operating systems. In industry nomenclature, they often appear as mini controllers and perform simple and cyclically repeated tasks in machine control systems.

Intelligent relays - operation

In practice, this small switching and control device partially replaces the PLC controllers. The operation of the programmable relay comes down to the generation of appropriate control signals, depending on the currently existing input signals, according to the algorithm introduced by the user (control program).

The control program is stored in the controller's memory and is used to implement the control strategy. It can be modified and frequently changed depending on current needs. Programmable relays have outputs that enable control of electrical devices supplied with 230 V AC.

Smart relays control make / break contacts via a coil. All basic and additional functions can be linked with each other and their operation can be activated at the touch of a button.

Programmable relays are programmed using computers or programming panels, which are built into the relay. The control program can also be entered via an external memory card.

Programmable relays - more and more possibilities

Logic relays are used in various industries, construction and autonomous process control systems:

  • building automation (lighting, heating, air conditioning, alarm and fire protection systems control),

  • industrial automation (controlling the operation of a small number of machines: compressors, motors and pumps, car washes, forming machines and welding machines. Decentralized control systems for medium and large machines),

  • automation in warehouses, greenhouses, fruit ripening rooms (temperature, humidity, ventilation control, sprinkling systems),

  • automation of irrigation systems (garden irrigation, pool filling systems,

  • access control systems (e.g. rooms, parking lots).

Programmable relays - application

Programmable relays used in relay-contactor control systems enable a significant simplification of the structure of management systems. The modular structure consists of a set of cooperating elements:

  • input modules - to which signals from sensors, contacts, setter units and other devices are connected. Their role is to introduce signals into the device, on the basis of which it is to execute a given control program.

  • output modules - transfer the calculated control signals to the appropriate actuators connected to the relay outputs.

  • central processing unit - containing a microprocessor, RAM data memory, and user memory. Executes the stored control algorithm based on the data read by the input modules. Then, the calculation results are transferred to the output modules in the form of control signals.

Programmable relays usually have digital outputs (relay or transistor), and some additionally also have analog outputs.

Most smart relays have a display that is used during programming and while the system is running. It shows messages and system parameters. The relay also has an operating status indicator and additional communication connectors. Graphical programming languages ​​are usually used to create applications for programmable relays: LD and FBD (using function blocks or ladder language). Programming can be carried out directly on the keyboard or by means of a PC.