Siemens 6ES5980-0NC11 | NiMH Battery Pack

Technical Overview of the Battery Pack

The Siemens 6ES5980-0NC11 provides a rechargeable NiMH battery pack for SIMATIC S5 PLC systems. This battery maintains the user program and system data during power outages. It fits directly into the CPU or memory submodule slot. The NiMH chemistry offers reliable energy storage without memory effect issues.

Key Technical Specifications

This section details the exact parameters for the Siemens 6ES5980-0NC11 battery pack. Use these figures when planning backup power for your S5 system.

Parameter	Specification
Part Number	6ES5980-0NC11
Type	Rechargeable Battery Pack
Product Family	SIMATIC S5
Battery Chemistry	Nickel-Metal Hydride (NiMH)
Nominal Voltage	3.6V DC
Capacity	1.5 Ah
Recharge Cycles	Approx. 500 cycles
Charging Time	Approx. 14 hours (standard)
Operating Temperature	0°C to +50°C
Dimensions (W x H x D)	Approx. 80 x 30 x 20 mm
Weight	Approx. 0.08 kg
Compatibility	SIMATIC S5 CPUs and memory submodules

Application and System Integration

This battery pack plugs directly into the designated battery compartment on S5 CPUs. It provides backup power for RAM-based user programs and system parameters. The Siemens 6ES5980-0NC11 automatically recharges when the PLC powers on. Its 1.5 Ah capacity sustains memory for several weeks during power loss.

Reliability and Performance Characteristics

The NiMH chemistry delivers consistent performance over hundreds of charge cycles. This battery avoids the memory effect associated with older NiCd technology. The pack’s compact size fits securely within the CPU housing. Users trust the Siemens 6ES5980-0NC11 for dependable data retention during unexpected shutdowns.