Skip to main content
Log in
Siemens 6AG1516-3AN01-7AB0 — PLCs (Programmable Logic Controllers)

Siemens 6AG1516-3AN01-7AB0 SIPLUS CPU, -40..70°C, MRP

MPN6AG1516-3AN01-7AB0

Siemens SIPLUS S7-1500 CPU 1516-3 PN/DP, 6AG1516-3AN01-7AB0, with MRP redundancy manager, 32 kbyte I/O, MODBUS TCP, RS485, rated -40 to 70 °C.

Siemens 6AG1516-3AN01-7AB0 datasheet (PDF)
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

6AG1516-3AN01-7AB0 — Processor & Memory
ParameterValue
Execution time, bit operations (typ.)10 ns
Execution time, word operations (typ.)12 ns
Execution time, floating-point arithmetic (typ.)64 ns
Size, max.16 kbyte
6AG1516-3AN01-7AB0 — I/O
ParameterValue
Input data area32 kbyte; All inputs are in the process image
Output data area32 kbyte; All outputs are in the process image
6AG1516-3AN01-7AB0 — Programming
ParameterValue
Programming language: FBDYes
Programming language: LADYes
Programming language: SCLYes
6AG1516-3AN01-7AB0 — Electrical
ParameterValue
Current consumption (rated)0.85 A
Permissible range, lower limit (DC)19.2 V
Permissible range, upper limit (DC)28.8 V
Power loss (typ.)7 W
6AG1516-3AN01-7AB0 — Environmental
ParameterValue
Installation altitude, max.5 000 m
Temperature, min.-40 °C
Temperature, max.70 °C
Operating temperature, min. (horizontal mounting)-40 °C; = Tmin (incl. condensation/frost); start-up @ -20 °C
Operating temperature, max. (horizontal mounting)70 °C; Display: 50 °C, at an operating temperature of typically 50 °C, the display is switched off
Ambient temperature vs. altitude/pressure deratingTmin ... 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)
6AG1516-3AN01-7AB0 — Mechanical
ParameterValue
Width105 mm
Height147 mm
Depth129 mm
Weight (approx.)1 109 g

Product details

Integration brief — what this CPU brings to a harsh-environment S7-1500 rack

The 6AG1516-3AN01-7AB0: On the communication side, it supports MRP as a redundancy manager for ring topologies with up to 50 devices, plus MODBUS TCP and RS485 for legacy fieldbus bridging. The process image is 32 kbytes for inputs and 32 kbytes for outputs — adequate for mid-size distributed I/O. Note that while MRPD is listed, it requires IRT, and this CPU does not support IRT. If you need isochronous real-time for motion drives, the standard 6ES7516-3AN00-0AB0 (non-SIPLUS) is the correct fit.

How it compares with the standard-temperature sibling (6ES7516-3AN00-0AB0)

IRT is not supported, so MRPD is unavailable.

Mounting and panel fit — DIN-rail checklist

Width is 105 mm — the standard S7-1500 CPU slot. Height 147 mm, depth 129 mm. At temperatures below 0 °C, the display may be slow to refresh and contrast reduced, but the CPU logic continues normally — plan for remote diagnostics or avoid relying on the panel HMI in cold start conditions. Supports up to 8 communication modules/CPs (PROFIBUS, PROFINET, Ethernet) in total. Available protocols include HTTP and HTTPS for web server pages, SNMP for network monitoring, and LLDP for topology discovery. The integrated RS485 port is available via the front connector.

Frequently asked questions

What does DCP (Yes) mean for this CPU?

DCP (Discovery and Configuration Protocol) is supported, so the CPU can be found and configured via PROFINET without a separate IP setup tool — useful for fast field replacement or initial network commissioning.

What does FBD (Yes) indicate?

FBD (Function Block Diagram) is one of the programming languages supported in TIA Portal for this CPU, alongside LAD, STL, SCL, and GRAPH. That means any existing FBD code can run unmodified.

MPN
6AG1516-3AN01-7AB0