Siemens PLC model selection models show - _ Siemens PLC - programmable logic

by:Coolmay     2020-06-07
Siemens PLC model selection of

you need to first according to the technological requirements:

determine the input and output points, namely, AO DI, DO, AI

identify needs and external communication interface, such as MPI, DP, Ethernet, etc.

sure what choose series, such as S7 - 200年,S7 - 300年,S7 - 400

choose finally specific CPU type PLC

note: storage capacity. Pay attention to the analog signal when the system exist or that to a large number of data processing, its storage capacity should choose a few bigger.

Siemens PLC controller model description

Siemens product order number named rule:

es7 with 6-221 0BA23- 0 xa0, for example,

6 es - - - - - - - - - - - - - - - - - - - Automation system series

7 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 7: S7 series, 5: S5 series

2 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 'Zero series, 3:30 0 series, series of divers 0

2 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1: CPU, 2: DI/DO, 3: AI/AO, 4: communication module, 5: function module

1 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1: input, 2: output, 3: input/output ( For the digital quantity)

1 bf - - - - - - - - - - - - - - - - - - - Input/output voltage grade, type, number, etc. , this is more, or better check sample

22 - - - - - - - - - - - - - - - - - - - - - - - - - Version, if the last digit is different, can basically general

0 xa0

so is 200 above the switch input and extension module

the complete order no. 321-6 es7 1 bh01 - 0 xa0

6 es7: S7 series PLC module

3:30 0 series

2: digital quantity ( 1 as the CPU, 3 for analog, 4 for communications, 5 function)

1: input, 2 for the output, and 3 for the input and output)

1: functional level ( The more the greater the number of functions)

B: transistors ( H is the relay, F is communication, if it is analog K is universal, P for temperature signal)

H: 16 points, ( L said 32 points, at 8 F, D is 4 points, for 2 B)

01: the version number, 0. Version 1

0 xa0: suffix, is used to describe the special function.

more about Siemens PLC fascinating reading:

Siemens PLC wiring diagram physical figure

_ Siemens PLC of Siemens PLC data type communication

Siemens PLC program download step


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