SIEMENS Simatic S7-200 PLC
SIEMENS Simatic S7-200 Smart PLC is made to specifically meet the needs of emerging markets that are always being squeezed by costs and demands for consistent performance. When paired with other Siemens Smart drive solutions, the Simatic S7-200Smart, which offers a great performance-to-price ratio, aids in creating a highly affordable yet effective automation solution.
Description
SIEMENS Simatic S7-200 PLC
SIEMENS Simatic S7-200 PLC
Product Highlights:-
It provides CPU modules that have a large number of I/O points onboard (up to 60 points.)The CPU module has a standard type and a compact type for the users to choose from,
which can meet the different needs of customers.
Extension options, accurate customization-
The new signal boards are designed with scalable communication ports, digital or analog channels, that are closely fitting to the user’s application requirements, and lower the user’s costs for expansion.
High-speed chip, excellent performance-
It is equipped with Siemens dedicated processor chip, the basic instruction execution time is up to 0.15 μs, it has the leading performance compared to the micro PLC of the same level, and it can easily deal with complex and fast processes.
Ethernet interconnectivity is economical and convenient-
The standard Ethernet interface of the CPU supports various industrial Ethernet communication protocols such as PROFINET, TCP, UDP, and Modbus TCP. Through this interface, it can also communicate with other PLCs, touch screens, inverters, servo drives, host computers, and so on. The program can be downloaded to the PLC using a common network cable, eliminating the need for a dedicated Programming cable, it is economical and fast.
Technical specifications
Technical specification for CPU SR20/ST20
| Model | CPU SR20 AC/DC/RLY | CPU ST20 DC/DC/DC |
| Order No.: (MLFB) | 6ES7 288-1SR20-0AA0 | 6ES7 288-1ST20-0AA0 |
| Standard | ||
| Dimension W x H x D (mm) | 90 x 100 x 81 | |
| Weight | 367.3 g | 320 g |
| Power consumption | 14 W | 20W |
| Available current (EM bus) | Max. 740 mA (5 V DC) | Max. 1110 mA (5 V DC) |
| Available current (24 V DC) | Max. 300 mA (sensor power source) | |
| Digital input current consumption (24 V DC) | 4mA for each input point used | |
| CPU features | ||
| User memory | 12 KB program memory /8 KB data memory /max. 10 KB retentive memory | |
| Onboard digital I/O | ||
| Process image size | 256 bits input (I) / 256 bits output (Q) | |
| Analog image | 56 words input (AI) / 56 words output (AQ) | |
| Bit memory (M) | 256 bits | |
| Temporary (local) memory | The main program has 64 bytes, each subroutine and interrupt program has 64 bytes | |
| I/O module extension | 6 extension modules | |
| Signal board extension | Max. 1 signal board | |
| High-speed counters | 4 in total | |
| Single phase: 4 of 200 kHz | ||
| Quadrature phase: 2 of 100 kHz | ||
| Pulse output | – | 2 of 100 kHz |
| Pulse capture input | 12 | |
| Cycle interrupt | 2 in total, the resolution is of 1ms, | |
| Interrupt Edge | 4 rising edges and 4 falling edges (when using optional signal board, there are 6 edges each) | |
| Memory | Micro SDHC card (optional) | |
| The precision of the real-time clock | ||
| Real-time clock hold time | In general 7 days, or min. 6 days when 25 °C (Maintenance free super capacitor) | |
| Performance/ Processing Time | ||
| Boolean | 0.15 μs/instruction | |
| Moving word operations | 1.2 μs/instruction | |
| Real mathematical operations | 3.6 μs/instruction | |
| The user’s program elements supported by the S7-200 SMART | ||
| POUs | type/quantity
• main program: 1 • sub-program: 128 (0 to 127) • interrupt program: 128 (0 to 127) Nesting depth • from the main program: 8 sub-program level • from interrupt program: 4 sub-program level |
|
| Accumulators | 4 | |
| Timer | type/quantity
• non-holding (or not retained) (TON, TOF): 192 • holding (or retained) (TONR): 64 |
|
| Counters | 256 | |
| Communications | ||
| Number of ports | 1 Ethernet port/ 1 serial (RS485) /1 additional serial (optional RS232/485 signal board) port | |
| HMI equipment | max. 4 connection on serial port
max. 8 connections on ethernet port |
|
| Programming equipment (PG) | ||
| Several connections | Ethernet:
• 8 for HMI • 1 for programming • 8 for CPU • 8 for active GET/PUT connection • 8 for passive GET/PUT connection serial (RS485) : • each port has 4 for HMI connections |
|
| Data transmission rate | Ethernet: 10/100 Mb/s
RS485 system protocol: 9600, 19200 and 187500 b/s RS485 free port: 1200 to 115200 b/s |
|
| Isolation (external signal and PLC logic side) | Ethernet: Transformer isolation, 1500 V AC
RS485: none |
|
| Type of cable ethernet | t: CAT5e shielded cable
RS485: PROFIBUS network cable |
|
| Power source | ||
| Voltage range | 85 ~ 264 V AC | 20.4 ~ 28.8 V DC |
| Power supply frequency | 47 ~ 63 Hz | – |
| Model (continued) | CPU SR20 AC/DC/RLY | CPU ST20 DC/DC/DC |
| Input current | When the maximum load is reached, only CPU is included
210 mA when the voltage is 120 V AC (with a 300 mA sensor power output) 90 mA when voltage is 120 V AC (without a 300 mA sensor power output) 120 mA when voltage is 240 V AC (with a 300 mA sensor power output) 60 mA when the voltage is 240 V AC (without a 300 mA sensor power output) When the max load is reached, it CPU and all the scalable extensions are included 290 mA when the voltage is 120 V AC 170 mA when voltage is 240 V AC |
When the maximum load is reached, only CPU is included
160 mA when the voltage is 24 V DC (without a 300 mA sensor power output) 430 mA when the voltage is 24 V DC (with a 300 mA sensor power output) When the max load is reached, CPU and all the scalable extensions are included 720 mA when voltage is 24 V DC |
| Inrush current (max) | 9.3 A when voltage is 264 V AC | 11.7 A when voltage is 28.8 DC |
| Isolation (input power with the logic side) | 1500 V AC | – |
| Leakage current, AC line for functional earthing | Max 0. 5 mA | – |
| Hold time (power off) | 30 ms when voltage is 120 V AC
200 ms when voltage is 240 V AC |
20 ms when voltage is 24 V DC |
| Internal fuse (cannot be replaced by the user) | 3 A, 250 V, Slow-blow fuse | 3 A, 250 V, Slow-blow fuse |
| Sensor power source | ||
| Voltage range | 20.4 ~ 28.8 V DC | |
| Rated output current (max) | 300 mA (short circuit protection) | |
| Maximum ripple noise (<10 MHz) | <1 V peak-peak value | |
| Isolation (CPU logic side and sensor power source) | Not isolated | |
| Digital input | ||
| Number of input points | 12 | |
| Type | The sinking / sourcing type (IEC type 1 sinking) | The sinking/sourcing type (IEC type 1 sinking excluding
I0.0 to I0.3) |
| Rated voltage | It is 24V DC when the current is 4 mA, nominal value | |
| Allowable continuous voltage max | x 30 V DC | |
| Surge voltage | 35 V DC, lasting 0.5 s | |
| Logic 1 signal (min) | It is 15 V DC when the current is 2.5 mA | The voltage is 4 V DC when it ranges from I0.0 to I0.3,
I0.6 to I0.7: 8 mA Other input: 15 V DC when it is 2.5 mA |
| Logic 0 signal (min) | It is 5 V DC when the current is 1 mA | The voltage is 1 V DC when it ranges from I0.0 to I0.3,
I0.6 to I0.7: 1 mA Other input: 5 V DC when it is 1 mA. |
| Isolation (field side and logic side) | 500 V AC, lasting 1 min | |
| Isolation group | 1 | |
| Filter time | Each channel can be separately selected (point I0.0 to 11.3) :
0.2, 0.4, 0.8, 1.6, 3.2, 6.4 and 12.8 μs 0.2, 0.4, 0.8, 1.6, 3.2, 6.4 and 12.8 ms |
|
| HSC clock input frequency (max)
(Logic 1 battery = 15 ~ 26 V DC) |
Single phase: 4 of 200 kHz
Quadrature phase: 2 of 100 kHz |
|
| Number of inputs that connect at the same time | 12 | |
| Cable length (max), its unit is meter shielded | d: 500m (normal input), 50m (HSC input) ;
non shielded: 300m (normal input) |
I0.0 to I0.3, shielded (only limited to this category) :
500 m (normal input), 50 m (HSC input) I0.6 to I0.7, shielded (only limited to this category) : 500 m (normal input), All other inputs: shielded: 500 m (normal input) ; non shielded: 300 m (normal input) |
| Digital output | ||
| Number of output | 8 | |
| Type | Relay, dry contact solid | d state-MOSFET (source-type) |
| Voltage range | 5 ~ 30 V DC or 5 ~ 250 V AC | 20.4 ~ 28.8 V DC |
| Logic 1 signal when the current is max. | – | Min. 20 V DC |
| Logic 0 signal when the load is KG | – | Max. 0.1 V DC |
| Rated current at each point (max) | 2.0 A | 0.5 A |
| Rated current at each public end (max) | 10.0 A | 6 A |
| Lamp load | 30 W DC/200 W AC | 5 W |
| On state resistance | w equipment is 0.2 Ω maximally | Max. 0.6 Ω |
| Leakage current at each point | – | Max. 10 μ A |
| Surge current | t is 7A when the contact is closed | 8 A, max. lasting 100 ms |
| Overload protection | none | |
| Isolation (field side and logic side) | 1500 V AC, lasting 1 min (coil and contact) none, (coil and logic side) | 500 V AC, lasting 1 min |
| Isolation resistance | New equipment is 100 MΩ minimally | – |
| Disconnect the insulation between the contacts | 750 V AC, lasting 1 min | – |
| Isolated group | 1 | 2 |
| Inductive voltage clamp | Not recommended | L+ – 48 V DC, 1 W loss |
| Relay max. on/off frequency | Not recommended | |
| Switching delay (Qa.0-Qa.3) | Max. 10MS from | m the disconnection to connection max.1 μs
from the connection to disconnection is 3 μs max. |
| Switching delay (Qa.0-Qa.7) | Max. 10 ms | From the disconnection to connection max. 50 μs
from the connection to disconnection is 200 μs max. |
| Mechanical life (no load) | 10,000,000 break/close cycles | – |
| Contact life under the rated load | 100,000 break/close cycles | – |
| Output state under the STOP mode | Last value or replicable value (The default value is 0) | |
| Number of outputs that are connected at the same
time |
8 | |
| Cable length | Shielded: 500 m; nonshielded: 300 m |
MORE INFORMATION:-CATALOGUE
Additional information
| Product Model | Simatic S7-200 |
|---|---|
| Brand | Siemens |
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