range of product

Modicon M340 automation platform

Product or component type

Processor module

Concept

Transparent Ready
CANopen

Number of racks

4

Number of slots

11

Discrete I/O processor capacity

1024 I/O multi-rack configuration
704 I/O single-rack configuration

Analogue I/O processor capacity

256 I/O multi-rack configuration
66 I/O single-rack configuration

Number of application specific channel

36

Monitoring

Diagnostic counters Modbus
Event counters Modbus

Control channels

Programmable loops

Integrated connection type

Non isolated serial link RJ45 character mode, transmission mode: asynchronous in baseband, RS232C, transmission mode: 2 twisted shielded pairs at 0.3...19.2 kbit/s full duplex
Non isolated serial link RJ45 character mode, transmission mode: asynchronous in baseband, RS485, transmission mode: 1 twisted shielded pair at 0.3...19.2 kbit/s half duplex
Non isolated serial link RJ45, master/slave Modbus, RTU/ASCII, transmission mode: asynchronous in baseband, RS232C, transmission mode: 1 twisted shielded pair at 0.3...19.2 kbit/s half duplex
Non isolated serial link RJ45, master/slave Modbus, RTU/ASCII, transmission mode: asynchronous in baseband, RS485, transmission mode: 1 twisted shielded pair at 0.3...19.2 kbit/s half duplex
USB port at 12 Mbit/s
Ethernet TCP/IP RJ45, transmission mode: 1 twisted pair at 10/100 Mbit/s

Communication module processor capacity

2 Ethernet communication module
4 AS-Interface module

embedded communication service

Bandwidth management, Ethernet TCP/IP
Data Editor, Ethernet TCP/IP
Modbus TCP messaging, Ethernet TCP/IP
Rack Viewer, Ethernet TCP/IP
SNMP network administrator, Ethernet TCP/IP

Port Ethernet

10BASE-T/100BASE-TX

Number of devices per segment

0…32 (character mode)
0…32 (Modbus)

Number of devices

2 point-to-point character mode
2 point-to-point Modbus

Bus length

0…10 m serial link non isolated character mode segment
0…10 m serial link non isolated Modbus segment
0…1000 m serial link isolated character mode segment
0…1000 m serial link isolated Modbus segment
0…15 m character mode point-to-point
0…15 m Modbus point-to-point

Maximum tap links length

<15 m serial link non isolated character mode segment
<15 m serial link non isolated Modbus segment
<40 m serial link isolated character mode segment
<40 m serial link isolated Modbus segment

Number of addresses

0…248 for character mode
0…248 for Modbus

Requests

1 K data bytes per request character mode
252 data bytes per RTU request Modbus
504 data bytes per ASCII request Modbus

Control parameter

One CRC on each frame (RTU) Modbus
One LRC on each frame (ASCII) character mode
One LRC on each frame (ASCII) Modbus

Memory description

Supplied memory card (BMXRMS008MP) backup of programs, constants, symbols and data
Internal RAM 4096 kB
Internal RAM 256 kB data
Internal RAM 3584 kB program constants and symbols
Supplied memory card (BMXRMS008MP) activation of standard web server, class B10

Maximum size of object areas

256 kB unlocated internal data
32634 %Mi located internal bits

Default size of object areas

1024 %MWi internal words located internal data
256 %KWi constant words located internal data
512 %Mi located internal bits

Application structure

1 cyclic/periodic master task
1 periodic fast task
No auxiliary task
64 event tasks

Execution time per instruction

0.12 µs Boolean
0.17 µs double-length words
0.25 µs single-length words
1.16 µs floating points

Number of instructions per ms

6.4 Kinst/ms 65 % Boolean + 35 % fixed arithmetic
8.1 Kinst/ms 100 % Boolean

System overhead

0.13 ms for fast task
0.7 ms for master task

Current consumption

95 mA at 24 V DC

supply

Internal power supply via rack

Marking

CE

Status LED

1 LED (green) activity on Ethernet network (ETH ACT)
1 LED (green) processor running (RUN)
1 LED (green) status of Ethernet network (ETH STS)
1 LED (red) data rate (ETH 100)
1 LED (red) I/O module fault (I/O)
1 LED (red) memory card fault (CARD ERR)
1 LED (red) processor or system fault (ERR)
1 LED (yellow) activity on Modbus (SER COM)

Net weight

0.205 kg