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Modicon M340
Programmable Automation Controller
Processor modules
Type of processor Standard High-performance
2
Number of racks 2 (4, 6, 8 or 12 slots) 4 (4, 6, 8 or 12 slots)
Maximum configuration
Maximum 24 slots for processor and
modules (excluding power supply module)
Maximum 48 slots for processor and
modules (excluding power supply module)
Functions Max. no. (1) Discrete I/O 512 1024
Analog I/O 128 256
Control channels
Programmable loops (via CONT-CTL process control EFB library)
Counter channels 20 36
Motion control – Independent axes
on CANopen bus
(via MFB library)
– Independent axes
on CANopen bus
(via MFB library)
Integrated
connections
Ethernet TCP/IP – 1 RJ45 port, 10/100 Mb/s, with Transparent
Ready class B10 standard web server
CANopen master bus
Integrated port – 1 (SUB-D9) – 1 (SUB-D9)
Serial link 1 RJ45 port, Modbus master/slave RTU/ASCII or character mode –
(non isolated RS 232C/RS 485), 0.3...19.2 Kb/s
USB port
1 port, 12 Mb/s
Communication Ethernet TCP/IP 1 RJ45 port, 10/100 Mb/s with:
module
- Transparent Ready class B30 standard web server with BMX NOE 0100 module
- Transparent Ready class C30 configuration web server with BMX NOE 0110 module
Internal user Total capacity 2048 Kb 4096 Kb
RAM Program, constants and symbols 1792 Kb 3584 Kb
Data 128 Kb 256 Kb
Execution time for Boolean 0.18 µs 0.12 µs
one instruction On words or fi xed point Single-length words 0.38 µs 0.25 µs
arithmetic Double-length words 0.26 µs 0.17 µs
On floating points 1.74 µs 1.16 µs
No. of K instructions 100% Boolean 5.4 Kinst/ms 8.1 Kinst/ms
executed per ms 65% Boolean and 35% fixed arithmetic 4.2 Kinst/ms 6.4 Kinst/ms
System Master task 1.05 ms 0.70 ms
overhead Fast task 0.20 ms 0.13 ms
References BMXP341000 BMXP342000 BMXP3420102 BMXP342020 BMXP3420302
(1) Only affects in-rack modules. The remote I/O on the CANopen bus are not included in these maximum numbers.
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