Modicon M580 Plc Page 3-18 Communication

3/18 Modicon M580 automation platform Ethernet Modbus/TCP network Performance Processing capacities of Modicon platforms Processing capacity Use the table below to compare, for each station, the total number of messages received via the Modbus messaging service if used (value R1, R2, or Ri) with the capacity of the station CPU. Processing of Modbus requests per PLC scan cycle: Modicon M580 platform Requests per scan cycle Default limit Configurable maximum limit Total messages received by the PLC from all the communication modules BMEP581020 8 16 BMEP582020 16 24 BMEP582040 16 24 BMEP583020 24 32 BMEP583040 24 32 BMEP584020 32 40 BMEP584040 32 40 BMEP585040 40 48 BMEP586040 56 64 BMEH582040 16 24 BMEH584040 32 40 BMEH586040 56 64 Modicon M340, Modicon Premium/Atrium platforms Requests per scan cycle Total messages received by the PLC from all the communication modules (1) TSX5710 4 BMXP3420/TSX5720 8 TSX5730 12 TSX5740 16 TSX5750/60 (2) 16/20 Modicon Quantum platform Integrated port limitations Communication module limitations Ethernet modules per PLC All types of communica- tion request Additional read/write 4x registers All types of communica- tion request Additional read/write 4x registers 140CPU311 1 message/ cycle 4 messages/ cycle Up to 2 140CPU651 16 messages/ cycle 16 messages/ cycle 4 messages/ cycle 8 messages/ cycle Up to 6 Messages/cycle: number of messages received per cycle from the PLC master task (typical cycle of 50 to 100 ms) Ethernet transaction processing capacity For each station, compare the total number of messages received S [values Ri, Rj] and the total number of messages transmitted S [values Ei, Ej] (for station N, for example) with the Ethernet transaction processing capacity shown below. Use the elements below for the Ethernet connection per PLC, rather than the number of transactions required by the application. Ethernet transaction processing capacity Modicon M580 BME Modicon M580 BME Modicon M340 BMX Modicon Premium TSX Modicon Quantum 140 All processors NOC03 p 1 NOC0401 NOE0100WS P342020 P342030 ETY210 ETY110WS ETC101 WMY100 P5710/20/30/40 P5750 P5760 NOC77101/ 78 ppp NWM10000 CPU65 ppp CPU67 ppp Modbus messaging 500 transactions/s 500 transactions/s 500 transactions/s 500 transactions/s 60 transactions/s 450 transactions/s 500 transactions/s 350 transactions/s 350 transactions/s I/O Scanning service 7,500 transactions/s 6,000 transactions/s 2,000 transactions/s Server mode (4) Service not available 2,000 transactions/s (5) 2,000 transactions/s 2,000 transactions/s (5) 2,000 transactions/s Global Data subscription Service not available Service not available 800 Service not available Service not available 800 (5) 800 (5) 800 __________________________________________________________________ (1) A temporary overload, due for example to an adjustment terminal or the temporary connection of a web browser, lasting for a few PLC scans, is permitted. (2) Only with Unity Pro software. (3) Only with Concept/ProWORX software. (4) BMXP3420 p 0 CPUs with Modbus TCP messaging in server mode can be scanned by a device with the I/O Scanning service. (5) TSXWMY100 and 140NWM10000 modules do not have I/O Scanning and Global Data services. Performance (continued) 2 1 3 4 5 6 7 8 9 10 2 1 3 4 5 6 7 8 9 10

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