General information:

• Product type designation: CPU 1518F-4PN/DP.
• HW functional status: FS11.
• Firmware version: V3.1.
• FW update possible: Yes.
• Product function:
• I&M data: Yes; I&M0 to I&M3.
• Isochronous mode: Yes; Distributed and central; with minimum OB 6x cycle of 125 µs (distributed) and 1 ms (central).
• SysLog: Yes.
• Engineering with:
• STEP 7 TIA Portal configurable/integrated from version: V19 (FW V3.1); V13 (FW V1.5) or higher.

Configuration control:

• via dataset: Yes.

Display:

• Screen diagonal [cm]: 6.1 cm.

Control elements:

• Number of keys: 6.
• Mode selector switch: 1.

Supply voltage:

• Rated value (DC): 24 V.
• permissible range, lower limit (DC): 19.2 V.
• permissible range, upper limit (DC): 28.8 V.
• Reverse polarity protection: Yes.
• Mains buffering:
• Mains/voltage failure stored energy time: 5 ms.
• Repeat rate, min.: 1/s.

Input current:

• Current consumption (rated value): 1.55 A.
• Current consumption, max.: 1.9 A.
• Inrush current, max.: 1.9 A; Rated value.
• I²t: 0.4 A²·s.

Power:

• Infeed power to the backplane bus: 12 W.
• Power consumption from the backplane bus (balanced): 30 W.

Power loss:

• Power loss, typ.: 24 W.

Memory:

• Number of slots for SIMATIC memory card: 1.
• SIMATIC memory card required: Yes.
• Work memory:
• integrated (for program): 9 Mbyte.
• integrated (for data): 60 Mbyte.
• Load memory:
• Plug-in (SIMATIC Memory Card), max.: 32 Gbyte.
• Backup:
• maintenance-free: Yes.

CPU processing times:

• for bit operations, typ.: 1 ns.
• for word operations, typ.: 2 ns.
• for fixed point arithmetic, typ.: 2 ns.
• for floating point arithmetic, typ.: 6 ns.

Dimensions:

• Width: 175 mm.
• Height: 147 mm.
• Depth: 129 mm.

Weights:

• Weight, approx.: 2 079 g.