Description
CPU 943B — CPU
Siemens · CPU 943B · 6ES5943-7UB11
Description
SIMATIC S5 CPU 943 central processing unit for the S5-115U programmable controller, with 48 Kbytes RAM and one programmer port, including real-time clock and ASCII driver support.
Key specifications
Parameter | Value |
Function | Central processing unit |
Compatible controller | S5-115U |
RAM | 48 KBytes |
Interfaces | 1 programmer (PG) port |
Max internal memory | up to 24576 statements |
Reference
Field | Value |
Manufacturer (OEM) | Siemens |
Model | CPU 943B |
Part number | 6ES5943-7UB11 |
Category | CPU |
System family | SIMATIC S5-115U |
Stores quantity | 6 |
Data confidence | high |
Manuals filed (007 - Manuals)
- Manual CP1430 English Vol1.pdf — S5-115U system reference (CP/comms volume)
- 02 - CPU948 Programming Manual.pdf — S5 CPU programming reference (115U/155H family)
Notes
Confirmed via sps-service.eu and adegis.com datasheets matching exact order number: CPU 943B, RAM 48 Kbytes, 1 programmer port, for S5-115U.
Source: Spare Parts List for Sales V7 (Bohemia Market / BM Global stores inventory). Filed in the AI HW Knowledge Base.