| Range of product | Modicon M340 automation platform |
| Product or component type | Processor module |
| Number of racks | 2 |
| Number of slots | 11 |
| Discrete I/O processor capacity | 512 I/O single-rack configuration |
| Analogue I/O processor capacity | 66 I/O single-rack configuration 128 I/O multi-rack configuration |
| Number of application specific channel | 20 |
| 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 |
| Communication module processor capacity | 2 Ethernet communication module 2 AS-Interface module |
| 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 | Internal RAM 2048 kB Internal RAM 128 kB data Internal RAM 1792 kB program constants and symbols Supplied memory card (BMXRMS008MP) backup of programs, constants, symbols and data |
| Maximum size of object areas | 128 kB unlocated internal data 16250 %Mi located internal bits 32464 %MWi internal words located internal data 32760 %KWi constant words located internal data |
| Default size of object areas | 128 %KWi constant words located internal data 256 %Mi located internal bits 512 %MWi internal words located internal data |
| Application structure | 1 periodic fast task 32 event tasks 1 cyclic/periodic master task No auxiliary task |
| Execution time per instruction | 0.18 µs Boolean 0.26 µs double-length words 0.38 µs single-length words 1.74 µs floating points |
| Number of instructions per ms | 4.2 Kinst/ms 65 % Boolean + 35 % fixed arithmetic 5.4 Kinst/ms 100 % Boolean |
| System overhead | 0.2 ms for fast task 1.05 ms for master task |
| Current consumption | 72 mA at 24 V DC |
| Supply | Internal power supply via rack |
| Marking | CE |
| Status LED | 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): |
| Net weight | 0.2 kg |
processor module M340 - max 512 discrete + 128 analog I/O - Modbus
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