140CPU43412AC

Product ID:31698
Updated: 2026/4/4
schneider 140CPU43412AC

Key Features

  • 1Ensure up to 10 years of reliable operation with a long-life lithium battery. 2、Support seamless connectivity with 1 Modbus Plus and 2 Modbus RS232 ports. 3、Monitor system health easily via a watchdog timer and detailed LED indicators. 4、Execute efficient control with a 66 MHz processor and 896 KB of internal RAM. 5、Handle up to 64 local I/O points and 500 distributed network I/O points.
Product Details
140CPU43412AC
schneider

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Range of Product
Modicon Quantum automation platform
Product or Component Type
Processor
Software name
ProWORX 32<br />Concept
Processor name
80486
Mathematical coprocessor
With
Clock frequency
66 MHz
Memory description
Internal RAM 896 kB
Exact time for 1 Kinstruction
0.1...0.5 ms LL984
Watchdog timer
250 ms
Clock drift
+/-8 s/day 32…140 °F (0…60 °C)
I/O words
30 I/32 O distributed<br />64 I/64 O max local<br />64 I/64 O remote
I/O words/network
500 I/500 O distributed
Drops/network
63 distributed
Number of drops
31 remote
Number of network
2 remote<br />3 distributed
Battery type
Lithium 7 µA 210 µA
Battery Capacity
1.2 Ah
Battery Life
10 year(s)
Number of port
1 Modbus Plus<br />2 Modbus RS232
Communication module processor capacity
6 NOM, NOE, CR, NMS
Switch Function
Key switch
marking
CE
Bus current requirement
1250 mA
Module format
Standard
Net Weight
1.87 lb(US) (0.85 kg)
Protective treatment
Conformal coating Humiseal 1A33
Product Certifications
cUL<br />FM Class 1 Division 2
Standards
UL 508<br />CSA C22.2 No 142
Resistance to electrostatic discharge
4 kV contact IEC 801-2<br />8 kV on air IEC 801-2
Resistance to electromagnetic fields
9.1 V/m (10 V/m) 80…2000 MHz IEC 801-3
Ambient Air Temperature for Operation
32…140 °F (0…60 °C)
Ambient Air Temperature for Storage
-40…185 °F (-40…85 °C)
Relative Humidity
95 % without condensation
Operating altitude
<= 16404.2 ft (5000 m)

Specifications may be subject to change without notice