Sales |
Jim Pei |
Email |
|
Phone / Whatsapp |
|
Model Number
|
6ES5945-7UA23
|
|
Processor designation
|
CPU 945
|
|
Controller system
|
SIMATIC S5-115U
|
|
Memory capacity
|
384 KB
|
|
STEP 5 instruction execution time
|
Approximately 0.1–1.35 µs per operation
|
|
Cycle-time monitoring
|
Approximately 500 ms, adjustable
|
|
Standard flag memory
|
2048 bits
|
|
Extended S-flag memory
|
32,768 bits
|
|
Timers and counters
|
256 of each
|
|
Timer setting range
|
0.01–9990 s
|
|
Counter range
|
0–999, up/down
|
|
Digital input / output address capacity
|
8192 maximum
|
|
Analog input / output address capacity
|
256 maximum
|
|
Organization / program / sequence blocks
|
256 maximum per block type
|
|
Function blocks FB/FX and data blocks DB/DX
|
512 maximum per category
|
|
Instruction set
|
Approximately 270 operations
|
|
Internal RAM backup current at power off
|
Approximately 100 µA
|
|
Current from internal 5 V supply
|
Typically 0.5 A, without interface module
|
|
Current from 24 V supply
|
0.06 A, without interface module
|
|
Module power loss
|
Typically 4.2 W, without interface module
|
|
Clock accuracy
|
±2 s/day; temperature-dependent drift also applies
|
|
Serial interface arrangement
|
1 integral serial interface plus 1 interface-module slot
|
|
Operating temperature at module air intake
|
0 to +55 °C
|
|
Storage and shipping temperature
|
-40 to +70 °C
|
|
Operating relative humidity
|
≤95%, DIN 40040
|
|
Storage and shipping relative humidity
|
≤95%, non-condensing
|
|
Operating atmospheric pressure
|
860–1060 hPa; cooling review below 900 hPa
|
|
Storage and shipping atmospheric pressure
|
660–1060 hPa
|
|
Operating temperature-change limit
|
10 K/h maximum
|
|
Storage and shipping temperature-change limit
|
20 K/h maximum
|
|
Vibration resistance
|
0.075 mm at 10–<57 Hz; 1 g at 57–<150 Hz, IEC 68-2-6
|
|
Shock resistance
|
15 g peak, 11 ms half-sine, IEC 68-2-27
|
|
ESD immunity
|
8 kV air / 4 kV contact, EN 61000-4-2
|
|
Degree of protection
|
IP20, IEC 529
|
|
Radiated and conducted emissions
|
EN 55011, Class A, Group 1
|
|
Minimum Order Quantity
|
1 Piece
|
|
Price
|
Contact for Jim
|
|
Packaging Details
|
Original new Factory Sealed
|
|
Delivery Time
|
3–7 Days
|
|
Payment Terms
|
T/T
|
|
Shipping Method
|
DHL / FedEx / UPS / TNT
|
|
Supply Ability
|
In stock
|
Siemens 6ES5945-7UA23 is a SIMATIC S5 CPU 945 processor module for the S5-115U controller system. This order number identifies the memory configuration shown in the specification table. It is a processor spare for the corresponding SIMATIC S5 installation.
The module belongs to an established control platform used in existing industrial systems. Replacement selection must preserve the exact CPU identification and the requirements of the installed application. It supports maintenance planning where the original controller configuration remains in service.
Most products are covered by a warranty of up to 12 months, subject to the applicable terms and conditions. If any product-related issue occurs during the warranty period, our team will assist you and provide an appropriate solution.
Relevant datasheets and technical literature can be provided with the goods, offering useful information for product identification, installation, operation, and maintenance.
We understand the importance of minimizing equipment downtime. Our team responds promptly to inquiries and provides professional assistance with product information, quotations, order status, shipping, and after-sales questions.
We serve customers worldwide and provide reliable assistance from inquiry to delivery and after-sales service, ensuring clear and timely communication throughout the process.
We continue to source discontinued, obsolete, and hard-to-find automation parts from various brands, helping customers maintain existing equipment and reduce downtime caused by spare parts shortages.
EN
