Siemens Simatic S7 Series System Manual

Technical specifications
A.9 Battery board signal boards (SBs)
S7-200 SMART
System Manual, 09/2015, A5E03822230-AC
647
Diagnostics
SB BA01 Battery Board
Critical battery level
< 2.5 V
Battery diagnostic Low voltage indicator:
• Low battery voltage causes the LED on the BA01 panel
to illuminate with the red light continuously ON.
• Diagnostic alarm and/or digital output status of battery
low condition available
Battery status Battery status bit provided
0 = Battery OK
1 = Battery low
Battery status update Battery status is updated at power up and then once per day
while CPU is in RUN mode.
Table A- 146 Wiring diagram for the SB BA01 Battery board (6ES7 288-5BA01-0AA0)
SB BA01 Battery board (6ES7 288-5BA01-0AA0)

Siemens Simatic S7 Series Specifications

General

CPU	Varies by model (e.g., S7-300, S7-400, S7-1200, S7-1500)
Communication Interfaces	PROFIBUS, PROFINET, Ethernet, MPI
Programming	TIA Portal, STEP 7
Programming Languages	LAD, FBD, STL, SCL, GRAPH
I/O Modules	Digital, Analog, Specialty modules available
Operating Temperature	0°C to 60°C (standard models)
Mounting	DIN rail mounting
Operating Voltage	24V DC or 120/230V AC (varies by model)
Protection Class	IP20 (standard models)
Memory	Varies depending on the S7 model. Includes work memory (RAM) for program execution, load memory (EEPROM or Flash) for program storage, and system memory for operating system functions. Memory sizes range from kilobytes to megabytes.