Moeller Easy512-ac-rc Programming Manual May 2026

Scenario: Two pumps (Q1, Q2) empty a sump. Float switch I1 triggers run. Alternate which pump runs each cycle.

Use a counter C01 preset to 2:

You need a programming cable: RS232 (DB9) to RJ45 or USB-to-RS232 adapters. The easy512 uses the same pinout as the easy600/700 series. moeller easy512-ac-rc programming manual

Connection steps:

| Feature | Spec | |---------|------| | Power | 100-240V AC | | Displays | 4 lines x 12 chars (LCD backlit) | | I/O | 12 inputs (AC/DC), 6 relay outputs (8A) | | Expandable | Yes (up to 40 I/O via easy800 modules) | | Software | XSoft-CoDeSys or easySoft (v7+) | | Memory | 256 function blocks (max program size) | Scenario: Two pumps (Q1, Q2) empty a sump

Counters can count rising edges on an input.

Example: Count 10 product pieces (I2) then activate Q2: Counters can count rising edges on an input

Use the 4 arrow keys + OK/ESC.
Steps to enter: Press OK on main screen → PRG → EDIT.

Available elements:

The AC-RC variant (where RC often denotes "Real-time Clock" or relay outputs) is specifically designed for environments where the control voltage is mains AC. This is common in European industrial panels. The built-in real-time clock allows time-based switching (e.g., lighting schedules) without an external timer.