The 6AG1518-4AP00-4AB0 is a SIPLUS S7-1500 CPU built for ambient temperatures from -40 °C to 70 °C, so it lives in unheated cabinets or cold storage floors without derating. It runs as an MRP redundancy manager on rings up to 50 nodes and supports IRT for isochronous motion control. Process image holds 32 kbyte each for inputs and outputs, and you can plug up to 8 communication modules (PROFIBUS, PROFINET, Ethernet) into the rack. This CPU does not bring PROFIsafe onboard; safety functions need a separate F-CPU.
Siemens 6AG1518-4AP00-4AB0 SIPLUS S7-1500, -40..70°C
MPN6AG1518-4AP00-4AB0
NRND
Siemens 6AG1518-4AP00-4AB0 SIPLUS S7-1500 CPU, -40 to 70 °C, MRP redundancy manager, 32 kB process image.
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MOQ1 pcs
Sourced new & surplus through independent channelsListing updated Jun 2026
Specifications
Processor & Memory
| Parameter | Value |
|---|---|
| Execution time, bit operations (typ.) | 1 ns |
| Execution time, word operations (typ.) | 2 ns |
| Execution time, floating-point arithmetic (typ.) | 6 ns |
| Size, max. | 16 kbyte |
I/O
| Parameter | Value |
|---|---|
| Input data area | 32 kbyte; All inputs are in the process image |
| Output data area | 32 kbyte; All outputs are in the process image |
Programming
| Parameter | Value |
|---|---|
| Programming language: FBD | Yes |
| Programming language: LAD | Yes |
| Programming language: SCL | Yes |
Electrical
| Parameter | Value |
|---|---|
| Rated value (DC) | 24 V |
| Current consumption (rated) | 1.55 A |
| Permissible range, lower limit (DC) | 19.2 V |
| Permissible range, upper limit (DC) | 28.8 V |
| Power loss (typ.) | 24 W |
Environmental
| Parameter | Value |
|---|---|
| Installation altitude, max. | 5 000 m |
| Temperature, min. | -40 °C |
| Temperature, max. | 70 °C |
| Operating temperature, min. (horizontal mounting) | 0 °C; = Tmin (incl. condensation/frost) |
| Operating temperature, max. (horizontal mounting) | 60 °C; Display: 50 °C, at an operating temperature of typically 50 °C, the display is switched off |
| Ambient temperature vs. altitude/pressure derating | Tmin ... Tmax at 1 140 hPa ... 795 hPa (-1 000 m ... +2 000 m) // Tmin ... (Tmax - 10 K) at 795 hPa ... 658 hPa (+2 000 m ... +3 500 m) // Tmin ... (Tmax -20 K) at 658 hPa ... 540 hPa (+3 500 m ... +5 000 m) |
Mechanical
| Parameter | Value |
|---|---|
| Width | 175 mm |
| Height | 147 mm |
| Depth | 129 mm |
| Weight (approx.) | 1 988 g |
Product details
Frequently asked questions
What does DCP mean on this CPU?
DCP stands for Discovery and Configuration Protocol. It's supported, so the CPU can automatically detect and assign device names and IP addresses over Ethernet without needing a separate bootstrapping tool.
Does it support FBD programming?
Yes, Function Block Diagram (FBD) is one of the supported programming languages, along with LAD, STL, SCL, and GRAPH.
MPN
6AG1518-4AP00-4AB0