
Key messages
Product range	Modicon M340 automation platform
Product type	Processor module
Number of racks	1
Number of slots	11
Number of discrete I/O processors	1024 I/O single-rack configuration
Analog I/O processor capacity	256 I/O multi-rack configuration , 66 I/O single-rack configuration
Number of channels for special applications	36
monitor	Diagnostic Counter Serial Modbus Event Counter Serial Modbus


Supplemental information
Control channels	Programmable loops
Integrated connection type	Non-Isolated Serial Link RJ45 Feature Mode, Transmission Mode: Baseband Asynchronous, RS232C, Transmission Mode: 2 Shielded Twisted Pair In… On 0.3…19.2 kbit/s full-duplex non-isolated serial link RJ45 feature mode, Transmission mode: Baseband asynchronous, RS485, Transmission mode: 1 shielded twisted pair In… On 0.3…19.2 kbit/s half-duplex non-isolated serial link RJ45, master/slave Serial port Modbus, RTU/ASCII, Transmission mode: Baseband asynchronous, RS232C, Transmission mode: 1 shielded twisted pair In… On 0.3…19.2 kbit/s half-duplex non-isolated serial link RJ45, Master/Slave Serial Modbus, RTU/ASCII, Transmission Mode: Baseband Asynchronous, RS485, Transmission Mode: 1 Shielded Twisted Pair In… On 0.3…19.2 kbit/s half-duplex USB port in… up to 12 Mbit/s
Communication module processor	2 Ethernet communication module 4 ASI module
The number of devices in each segment	0… 32 (Characteristic Mode) 0… 32 (Serial Modbus)
Number of devices	2 Point-to-Point Feature Mode : 2-Point-to-Point Serial Modbus
Bus length	0… 10 m Non-insulated Serial Link Characteristic Mode Segment 0… 10 m Non-insulated Serial Link Serial Modbus Segment 0… 1000 m insulated serial link Characteristic mode Segment 0… 1000 m insulated serial link serial port Modbus segment 0… 15 m characteristic mode point-to-point 0… 15 m serial Modbus point-to-point
Maximum tap links length	<15 m Non-insulated serial link Characteristic Mode Segment <15 m Non-insulated serial link Serial Modbus Segment <40 m Insulated serial link Characteristic Mode Segment <40 m Isolated serial link Serial Modbus segment
Number of addresses	0… 248 Applicable Feature Mode 0… 248 Applicable Serial Modbus
request	1 K data bytes/request Feature mode : 252 data bytes per RTU Serial Modbus : 504 data bytes per ASCII request Serial Modbus
Control parameters	One CRC per frame (RTU) Serial Modbus per frame (ASCII) One LRC feature mode per frame (ASCII) One LRC Serial Modbus
Memory description	Internal RAM 4096 KBinternal RAM 256 kB DataInternal RAM 3584 kB Program Constants & Symbols provide a backup of memory card (BMXRMS008MP) programs, constants, symbols, and data
Maximum target area size	128 kB non-positioning internal data16250 %Mi Determine internal bits32464 %MWi internal words Determine internal data32760 %KWi Fixed words Determine internal data
The default size of the target area	128 %KWi fixed word to determine internal data256 %Mi to determine internal bits512 %MWi internal word to determine internal data
Application structure	1 cycle/cycle, main task , 1 cycle, quick task , no secondary task , 32 event tasks
_	0.18 μs _ 0.26 μs double-length word0.38 μs single-length word1.74 μs _
Instructions per millisecond	4.2 Kinst/ms 65 % Boolean + 35 % fixed-point arithmetic 5.4 Kinst/ms 100 % Boolean
System overhead	0.2 ms for quick tasks , 1.05 ms for main tasks
Current consumption	72 mA in… on 24 V DC
Power supply	Internal power supply through the rack
logotype	CE
LED status	LED (Green) Processor Operation (RUN) LED (Red) I/O Module Failure (I/O) LED (Red) MEMORY CARD FAILURE (CARD ERR) LED (RED) Processor or System Failure (ERR) LED (Yellow) Activity on Modbus (SER COM)
net weight	0.2 kg


Environment
Operating temperature	0… 60 °C
relative humidity	10… 95 % non-condensing
IP rating	IP20
Protective treatment	TC
Comply with the Directive	2014/35/EU – low voltage directive 2014/30/EU – electromagnetic compatibility
Product Certification	CE UL CSA RCM EAC Merchant Marine
standard	EN 61131-2 EN/IEC 61010-2-201 UL 61010-2-201 CSA C22.2 No 61010-2-201 IACS E10 EN/IEC 61000-6-5, interface type 1 and type 2 EN/IEC 61850-3, location G
Environmental characteristics	Hazardous Area Class 1 Class 2


Packing Units
Package 1: Packing unit type	PCE
Package 1: Packing unit quantity	1
Package 1: Height	5.5 cm
Package 1: Width	11.0 cm
Package 1: Length	11.5 cm
Package 1: Gross weight	240.0 g
Package 2: Packing unit type	S02
Package 2: Packing unit quantity	15
Package 2: Height	15.0 cm
Package 2: Width	30.0 cm
Package 2: Length	40.0 cm
Package 2: Gross weight	3.915 kg