Technical information

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Selection guide
Modicon M340 automation
platform
Modicon M340 processors
Modicon M340 platform for Unity Pro software offer BMX 34 10 Standard processor BMX 34 20 Performance processors
Racks Number of racks 2 (with 4, 6, 8 or 12 slots) 4 (with 4, 6, 8 or 12 slots)
Max. number of slots
(excluding power supply module)
24 48
I/O In-rack discrete I/O (1)
512 channels (modules with 8, 16, 32 or
64 channels)
1024 channels (modules with 8, 16, 32 or
64 channels)
In-rack analog I/O (1)
128 channels (modules with 2, 4, 6 or
8 channels)
256 channels (modules with 2, 4, 6 or
8 channels)
Distributed I/O Limited depending on the type of medium: on Ethernet Modbus/TCP network via network
module (63 devices with I/O Scanning function), on Modbus link (32 devices)
In-rack application-
specific channels
No. of channels (counter, motion
control, serial link)
20 max. 36 max.
Counter (1) BMX EHC 0200 2-channel (60 kHz) or BMX EHC 0800 8-channel (10 kHz) modules
Motion control (1) BMX MSP 0200 2-channel PTO (Pulse Train Output) modules for servo drives
–
Serial link (process or RTU) (1) BMX NOM 0200 2-channel module or BMX NOR 0200H module with 1 RTU serial channel
Process control, programmable
loops
Process control EFB library
Integrated
communication ports
Ethernet Modbus/TCP network
–
CANopen master bus –
Serial link (process or RTU) 1 in RTU/ASCII Modbus master/slave mode or in Character mode (non-isolated RS232/RS485,
0.3…38.4 Kbps)
USB port 1 programming port (PC terminal) or HMI connection port
Communication
modules
(1)
Ethernet network Max. no. 2 2
Type of module BMX NOE 0100/0110 or BMX NOC 0401 network modules or BMX NOR 0200H module with
1 Ethernet RTU channel
AS-Interface bus Max. no. 2 4
Type of module BMX EIA 0100 master module
Internal memory
capacity
Internal user RAM 2048 KB 4096 KB
Program, constants and symbols
1792 KB 3584 KB
Located/unlocated data 128 KB 256 KB
Memory card capacity
(on processor)
Backup of program, constants and
symbols
8 MB as standard
Hosting and display of user web pages
(3)
File storage –
8 or 128 MB (according to BMX RMS
pp8MPF option card)
Application structure Master task 1
Fast task 1
Event tasks 32 64
No. of K instructions
executed per ms
100% Boolean 5.4 Kinstructions/ms 8.1 Kinstructions/ms
65% Boolean + 35% fixed arithmetic 4.2 Kinstructions/ms 6.4 Kinstructions/ms
Rack power supply 24 V c isolated, 24…48 V c isolated or 100…240 V a power supply module
Modicon M340 processor
BMX P34 1000 BMX P34 2000
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(1) The maximum values for the number of discrete I/O, analog I/O, counter/motion control/serial link channels and the number of networks are not cumulative
(they are limited by the maximum number of slots in the configuration, 1 rack: 11, 2 racks: 23, 3 racks: 35 and 4 racks: 47
.
(3) User web pages with BMX NOE 0110 Ethernet FactoryCast module (12 MB available).