s7-1200 and step 7 basic v10 - siemens global...

© Siemens AG 2010. All Rights Reserved.

S7-1200 and STEP 7 Basic V10.5

S7-200 vs. S7-1200

© Siemens AG 2010. All Rights Reserved.Industry Sector Advantages of S7-1200 , compared to S7-200

Technology

Timer

Counter

Block concept

Memory

Engineering

Communication

Hardware

Expandability

max. 7 Modules

max. 8 Modules(SM)

max. 3 Modules

(CM)

S7-200

S7-1200


Technology

Timer

Counter

Block concept

Memory

Engineering

Communication

Hardware

I/O – Internal periphery of S7-1200 CPU plus Signal Board

* In planning

168PID66HSC

2 (configurable)2PWM / PTO2* (with SB)1AO

22AI1010DO1414DI

CPU 1214CCPU 224XP

With the Signal Board the CPU S7-1200 can be extended easily!


Technology

Timer

Counter

Block concept

Memory

Engineering

Communication

Hardware

Hardware configuration S7-200

No ErrorA4.08Digital3No ErrorA3.04E4.04Digital2No ErrorA2.04E3.04Digital1No ErrorE2.08Digital0No ErrorA0.016E0.016Digital und AnalogTarget

I/O – addresses are allocated automatically and

can’t be changed.


Technology

Timer

Counter

Block concept

Memory

Engineering

Communication

Hardware

Hardware configuration S7-1200

I / O – addresses can be re-allocated manually


Technology

Timer

Counter

Block concept

Memory

Engineering

Communication

Hardware

Serial communication S7-200 / S7-1200

Communication modules (CM) Point-to-Point communication over RS232 and RS485 ASCII – protocol (character based serial communication) USS – drive protocol Modbus – protocol

Converter cable RS232


Technology

Timer

Counter

Block concept

Memory

Engineering

Communication

Hardware

Integrated PROFINET (Ethernet) - interface… for communication with the engineering –Software CPU hardware configuration Download Variables monitoring / modifying Force I/O Diagnostics

…for communication with HMI Data from / to CPU read / write Alarming

…for communication von CPU to CPU Up to 8 connections open communication with

T-Send / T-Receive Supported Protocols

• TCP/IP native• ISO on TCP

S7-communication (PUT / GET) planned


Technology

Timer

Counter

Block concept

Memory

InterplayEngineering

Communication

Hardware

Common Engineering for SIMATIC und HMI

…with a new easy to useand integrated Engineering Framework

for SIMATIC S7-1200 and Basic HMI Panels


Technology

Timer

Counter

Block concept

Memory

InterplayEngineering

Communication

Hardware

One Engineering System

SIMATIC S7-1200 SIMATIC HMIBasic Panels

Interplay between Software, PLC and HMI)

STEP 7 Basic // WinCC Basic

Perfect integration of Controller and HMI

Engineering…

WinCC Basic is integral part

of STEP 7


Technology

Timer

Counter

Block concept

Memory Card InternMemory

Engineering

Communication

Hardware

Work Memory

26 kB

50 kB

64 kB

Program

DataFixed Floating

CPU 1214CCPU 224XP


Technology

Timer

Counter

Block concept


Engineering

Communication

Hardware

Load memory

Symbolic and comments are ONLINE in the blockson the S7-1200 CPU available!

S7-1200S7-200

1 / 2 MB(intern)

Program

CommentsSymbolic

Online

Comments

Not published

Program

Symbolic

Online

Size of the load memory


Technology

Timer

Counter

Block concept


Engineering

Communication

Hardware

„Symbolic“ DB

„Classic“ DB

Memory optimizing of data blocks

With „symbolic Access“ the data blocks are memory optimized!

Much garbage if data types are in the

declaration mixed

Data are organized for optimized

memory consumption


How to setup a retain area

Retained memory at maximum

2048 Byte

Separate variables in a DB

Only data area

S7-1200S7-200


Technology

Timer

Counter

Block concept


Engineering

Communication

Hardware

Memory Card - Memory size

5MB

10MB

15MB

20MB

24MB

S7-1200S7-200


Technology

Timer

Counter

Block concept


Engineering

Communication

Hardware

What can be stored on the Memory Card?

Files

Projects

plannedData LogplannedRecipesSystem dataDataProgram

S7-1200S7-200

MCoptional

SIMATIC MC optional


Technology

Timer

Counter

Block concept


Engineering

Communication

Hardware

What can the Simatic MC be used for in addition?

Replace the load memory Distribution of programs Firmware-Update

The SIMATIC MC can be programmed with standard card reader!


Technology

Timer

Counter

New data types Interrupt structure Program structure Block typesBlock concept

Memory

Engineering

Communication

Hardware

Block types

INT

OB

FB

FC

SBR

VB

DB

S7-1200S7-200

MAIN


Technology

Timer

Counter


Memory

Engineering

Communication

Hardware

SBR

SBR

SBR

SBR

SBR

SBR

SBR

SBR

MAIN

Program structure S7 – 200

VB

Max. nesting depth 8

One common data block for all program blocks: No modularization No re-use in other projects possible Hard to use


Technology

Timer

Counter


Memory

Engineering

Communication

Hardware

FCGlobal

Global

Program structure S7 – 1200

OB

FB

Max. nesting depth: 16

Block concept with FCs, FBs and data blocks, like S7-300: High modularization und re-use possible Technological units (e.g. motor) can be standardized … … and can be recalled multiple times (e.g. Motor_1, Motor_2) Symbolic use possible

FC

FC

FB

Local

Local


Technology

Timer

Counter


Memory

Engineering

Communication

Hardware

SBR

SBR

SBR

SBR

SBR

SBRSBR

INT127

INT0

MAIN

Interrupt structure S7 – 200

HardwareCycle

Com.

Digital

Time

OS

Inte

rrup

t. . .

The Interrupt – events are assigned to the interrupt – routinesper program!

INT1


Technology

Timer

Counter


Memory

Engineering

Communication

Hardware

FB

Local

„OB201“

„OB82“

Interrupt structure S7 – 1200

Lokalcyclic

Startup

OS

Inte

rrup

t

Hardware

Process

Time

Several Startup - , Time - und Process - OBs possible!

„OB1“

„OB100“

„OB200“

FC

FC

FB

Local

Assignment Event <-> OB

configurable and programmable

Blocks have symbolic names

Diagnostics


Technology

Timer

Counter


Memory

Engineering

Communication

Hardware

New data types for the S7-1200

New data types of the S7-1200 result in more flexibility: Thanks to Short – data types you can save resources easily Unsigned – data types enlarges the positive values range Long Real (64 Bit) for high accurate mathematic functions e.g. adding up over long time


Technology

Timer

Counter


Memory

Engineering

Communication

Hardware

New data types for the S7-1200

-1.7976931348623158e+308 to -2.2250738585072014e-3080+2.2250738585072014e-308 to +1.7976931348623158e+308

Floating-point numbers64LREAL

0 to 4 294 967 295Unsigned integers32UDINT

- 2 147 483 648 to+ 2 147 483 647

Signed integers32DINT

0 to 65535Unsigned integers16UINT

Unsigned integers

Signed integers

Standard format

8

8

Length (bit)

USINT

SINT

Data type

0 to 255

-128 to 127

Value range


Technology

Timer

Counter


Memory

Engineering

Communication

Hardware

New data types, e.g. for Date and Time

M, D, LV, E, A, M, L

S7-1200S7-200

Symbolic access to all components of the structure DTL


Technology

Timer

Counter

Block concept

Memory

Engineering

Communication

Hardware

Counter – S7-200 vs. S7-1200

S7-200: Counter

(range: 0 – 32767)

Counter bit C5 = 1 when CV >= PV

Output Q = 1 when CV >= PV

S7-1200: IEC – counter

(range: adjustable from SINT till UDINT)

S7-1200S7-200


Technology

Timer

Counter

Block concept

Memory

Engineering

Communication

Hardware

Differences Timer – S7-200 vs. S7-1200

Output Q = 1 when ET >= PT.

Timerbit T37 = 1 when AT > PT.

The time value can be typed in directly and don’t need to be calculated with time base 1 / 10 / 100 ms

S7-1200S7-200


Technology

Timer

Counter

Block concept

Memory

Engineering

Communication

Hardware

Pulse Width Modulation (PWM)

Parameterize in Devices & Networks

parameters: time base

Pulse width format (Ton)

Cycle time (T)

Initial pulse width

A.

DB

B.

SFBInstanz

DBT

Ton Toff

Activate / Deactivatein user program

„CRTL_PWM“

FC

Only the Pulse Width format (Ton) is

changeable.e.g. with QW1000


Motion PID PWMTechnology

Timer

Counter

Block concept

Memory

Engineering

Communication

Hardware

Pulse Width Modulation (PWM)

deactivateOutput from the process image

activateoutput from ASIC

Outputs

PI (process image)

Hardware clock(ASIC)

Q0.0, Q0.2 (PLC) Q4.0 (SB)



Timer

Counter

Block concept

Memory

Engineering

Communication

Hardware

PID – closed loop controlled system

actuator Control path

w e

-

y

controller

P

I

D

Example: controller relay bulb

measure

Temp. sensor

(disturbance variable)

z

+



Timer

Counter

Block concept

Memory

Engineering

Communication

Hardware

(disturbance variable)

z

+

PID – closed loop controlled system

controller actuator Control path

w e

-

yP

I

D

measure

realization in the S7-1200



Timer

Counter

Block concept

Memory

Engineering

Communication

Hardware

PID – realization in the S7-1200

controller

Set point P

I

D

Output

Actual value



Timer

Counter

Block concept

Memory

Engineering

Communication

Hardware

PID – controller structure

Technological object (InstanzDB)

algorithm Input / Output definition

Scaling the actual value

input monitoring

commissioning

A. B.

Cyclic interruptOB

T-DBFB



Timer

Counter

Block concept

Memory

Engineering

Communication

Hardware

Motion - structure

Machine

PLC hardware configuration

User program



Timer

Counter

Block concept

Memory

Engineering

Communication

Hardware

Motion - Machine

Step drivehardware output(PTO)

direction bit

Control logic

Encoder

SINAMICS S110 v4.3



Timer

Counter

Block concept

Memory

Engineering

Communication

Hardware

Motion - PLCopen block call

Technological objectCall in FC block

functionalityE.g.:

MC_PowerMC_ResetMC_HomeMC_HaltMC_MoveAbsoluteMC_MoveRelativeMC_MoveVelocityMC_MoveJog

unit of the axis

hard- / software limits

drive-up/-down ramp

homing

FC

A.

DB

B.

FB T-DB

InstanzDB Data type:

TO_Axis_PTO

s7-1200 and step 7 basic v10 - siemens global...

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