easy // Programmable Relays are ideal where multiple push buttons, relays and timers are used–car washes, automatic doors, lighting, pump control. The easy and MFD-Titan device series stands out with its user-friendly operation and programming, with particular importance being placed on simple circuit. Eaton Moeller EASY Relay. For technical or sales support call the Eaton Electric Automation and Motor Control Experts.

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Siemens Sirius and Klockner Moeller Eaton stocking distributor: Programming instructions for the esy512 PLC. The large round cursor disk is used to move around menus or circuit diagrams and is operated by pressing near the top, bottom right or left edge. The OK button is used to select menu functions highlighted by the cursor.

Klockner Moeller EASY Programming Instructions

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On models that have the clock, the “WE” on the right indicates “wednesday” and below that is the time of day in 24 hour format. Press the OK button, for the Main Menu.

Figure 2 Main Menu: You may move up and down using the cursor arrows on the large disk, your present selection eady512 blinking. If you see a “STOP” button, the unit is in run mode, and pressing it will stop processing. Use the OK button to make your selection.

Moeller EASY512 Manuals

Figure 3 Program Menu: Figure 4 Circuit Diagram: This screen begins as a blank, and you type in your desired program. This simple program has only one function: If input 1 I1 is activated then output relay 1 Q1 is activated.

Basic Programming Figure 5 Circuit Diagram: Power the unit up, then press the OK button 3 times and you will arrive at mamual blank screen where you will enter your program.

Figure 6 Begin with the blank screen and your blinking cursor is in the upper left corner. Note that the screen is 4 columns wide, which allows for 3 contacts plus one coil on the right. Press OK, and I1 will appear, indicating Input 1.

Figure 7 Now use the cursor disk to move mnaual the left, to the 2nd position, right next to the I1 symbol. Press the ALT button and the line drawing tool appears. Use the cursor again to move the line drawing tool to the right, twice. Now press the ALT button again, to turn the line drawing tool off. The input I1 and the output relay Q1 are now “wired” together. Figure 8 Now use the cursor to move to the 2nd row, all the way to the left.

Here, press the OK button, and Mwnual appears. But we wanted I2 here, so use the cursor to move one character to the right, to the “1”.


Here use the up cursor to change the “1” to a “2” and you will have “I2”. Press OK to select it. You are now at the 2nd column so press ALT for the line drawing tool, and “wire” input 2 as shown, then press ALT again to turn the line tool off. Figure 9 Now move down to the 3rd line, and press OK twice to enter I1. Note you may use the same input symbol repeatedly.

Notice the “wires” manhal automatically. Figure 10 Fill in any missing “wires” and you’re done! Figure 11 Programming Parameters: Here is a program using a timer. Timers need parameters set for on-delay or off-delay, time, etc. Enter the symbols shown at left.

When you enter the T1 contact, an I1 will appear, again use the UP cursor to change it to T1, and when you press OK to select it, the parameter display will appear. Note, timers are set-up at the contact, not at the coil.

Figure 12 Parameter Display: Shown here is a typical parameter display. In the case of a timer, the top left symbol indicates type on-delay, off-delay, etcin this case the X means “on-delay”. Below that the “S” indicates “seconds”. The number at the top You can move around the parameter display using only the right and left cursor.

Use the up and down cursors to change individual values.

More specific information appears in the next section below. Instead, use 3 symbols and a “marker relay” coil, then place a contact from the marker relay at the beginning of the next line, then continue on. See the section on “marker relays” for the correct method.

Available Functions Figure 14 Negation: Relay circuits often require “closed contacts” and this is done with negation. Simply move to any contact on your diagramm and press OK to select it.

Then press ALT, and a small line will appear above the symbol. This is now a “normally closed” contact. This works for any type of contact, timers, counters, clocks, etc. Figure 15 Output Relays: Output Q1 is energized when I1 is activated, and drops out if I1 is deactivated.

Two separate coils are used. I2 operates the “set” coil and latches the Q2 in. I3 operates the “reset” coil and causes Q2 to drop out. Impulse or Alternating Relay: This is shown as Q3. A pulse will latch the relay in, then a later pulse will reset it back out.

This can make a very handy alternator circuit.

Eaton Moeller EASY Relay

Move one digit to the left and use the UP cursor to change to one of the other types. You may not use the latching coil AND the normal coil of the same relay in the same circuit diagram. This caution applies to all types of relays, counters, timers, etc. Figure 16 Output Relay Q Contacts: Q-Relays have auxiliary contacts which can be used in any of the 3 left columns.


In this example, I1 runs Q1 and I2 runs Q2, but neither of the outputs will activate if the other is already activated. This has an application in a reversing contactor for example. Figure 17 Marker Relays: These are handy internal relays which can be used as memory or to extend a row if more than 3 contacts are needed such as in the ILLEGAL example shown at the left. The lower picture shows the correct method, using marker relay M1.

Note that marker relays can be of various types: Figure 18 Counter Relays: These are used to count pulses, usually from inputs. A total is kept, visible on the parameter screen, and when a preset total is reached, the counter’s contacts will switch over. Counters can count in either direction, plus or minus. Shown here in the circuit diagram, I1 pulses the CC1 counter coil and the count is incremented by 1 for each pulse. If I2 activates the direction coil DC1, then pulses from I1 will count down I3 can be used to reset the counter back to zero.

As the preset amount is reached, contact C1 activates output relay Q1 On the parameter display, the left number is the preset amount, and the right number is the running total.

The maximum preset isand maximum count is The operating speed of the counters is dependant on mmanual complexity of the program. With a simple program they can count up to pulses per second Hz. Shown here is a simple on-delay timer circuit and parameter display.

Input I1 activates the TT1 timer “trigger” coil, and the time count begins. Input I2 activates the “reset” timer coil which will rest the time count back down to zero, if desired. When the preset time is elapsed, then timer contact T1 will activate output relay Q1 The “X” in the upper-left corner of the parameter display indicates the type of timer, in this case “on-delay”.

The “S” indicates the time-units, in this case “Seconds”. When the preset time is reached then the timer switches. Here are the various types of timers with their parameter symbols: On-Delay, ” X, “: When the TT1 “trigger” coil is activated, the time count begins and the timer’s contacts close when the preset time is reached and then remain closed until power is removed from the trigger coil TT1.