Modicon M340 automation platform

Processor module

2

11

512 I/O single-rack configuration

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

20

Diagnostic counters Modbus
Event counters Modbus

Programmable loops

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

2 Ethernet communication module
2 AS-Interface module

0...32 character mode
0...32 Modbus

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

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

<= 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

0...248 character mode
0...248 Modbus

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

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

2048 kB internal RAM
128 kB internal RAM for data
1792 kB internal RAM for program constants and symbols
Supplied memory card (BMXRMS008MP) for backup of programs, constants, symbols and data

128 kB unlocated internal data
16250 %Mi located internal bits
32464 %MWi internal words located internal data
32760 %KWi constant words located internal data

128 %KWi constant words located internal data
256 %Mi located internal bits
512 %MWi internal words located internal data

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

0.18 µs Boolean
0.26 µs double-length words
0.38 µs single-length words
1.74 µs floating points

4.2 Kinst/ms 65 % Boolean + 35 % fixed arithmetic
5.4 Kinst/ms 100 % Boolean

0.2 ms fast task
1.05 ms master task

72 mA 24 V DC

Internal power supply via rack

CE

1 LED green processor running (RUN)
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)

0.2 kg

0...60 °C

10...95 % without condensation

IP20

TC

2012/19/EU - WEEE directive
2014/35/EU - low voltage directive
2014/30/EU - electromagnetic compatibility

EN 61000-6-4
EN 61000-6-2
EN 61131-2
EN 61010-2-201