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Siemens 6ES7297-1AA23-0XA0 Combined Battery/Clock Module
A multi-function module for the SIMATIC S7-200 SMART PLC series that combines battery backup for data retention with a real-time clock (RTC) in a single, compact unit.
Dual Function: Integrates a battery module and a clock module into one device.
Battery Backup: Provides battery backup for the CPU’s super capacitor, extending the data retention time of the user program, data blocks, and retentive memory areas when main power is lost.
Extends retention from typical hours/days (with capacitor only) to approximately 200 days.
Real-Time Clock (RTC): Adds a battery-backed hardware clock to the CPU for accurate time stamping of events, logs, and time-based control functions.
Installation: Plugs directly into a dedicated slot on the front of supported S7-200 SMART CPUs (e.g., CPU SR20, ST20, SR30, SR40, SR60, CR40, CR60 and their newer variants).
Battery Type: Uses a standard CR1025 non-rechargeable lithium coin cell (user-replaceable).
Maintaining data (recipes, counters, setpoints) during extended power outages.
Applications requiring accurate date/time stamps for alarms, process events, or production data logging.
Systems where a reliable time-of-day clock is essential for scheduling or reporting.
Note: The module is CPU-specific and only compatible with S7-200 SMART series controllers, not with the older S7-200 classic or other Siemens PLC families. The term “Agent In Stock” indicates it is sourced from an authorized distributor and is available for immediate shipment.
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