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Thông Tin Kỹ Thuật
SIMATIC S7-1200, CPU 1211C, compact CPU, AC/DC/relay, onboard I/O: 6 DI 24 V DC; 4 DO relay 2A; 2 AI 0-10 V DC, Power supply: AC 85-264 V AC at 47-63 Hz, Program/data memory 50 KB
General information
Product type designation CPU 1211C AC/DC/relay
Firmware version V4.4
Engineering with
● Programming package STEP 7 V16 or higher
Supply voltage
Rated value (AC)
● 120 V AC Yes
● 230 V AC Yes
permissible range, lower limit (AC) 85 V
permissible range, upper limit (AC) 264 V
Line frequency
● permissible range, lower limit 47 Hz
● permissible range, upper limit 63 Hz
Input current
Current consumption (rated value) 60 mA at 120 V AC; 30 mA at 240 V AC
Current consumption, max. 180 mA at 120 V AC; 90 mA at 240 V AC
Inrush current, max. 20 A; at 264 V
I²t 0.8 A²·s
Output current
for backplane bus (5 V DC), max. 750 mA; Max. 5 V DC for CM
Encoder supply
24 V encoder supply
● 24 V 20.4 to 28.8V
Power loss
Power loss, typ. 10 W
Memory
Work memory
● integrated 50 kbyte
● expandable No
Load memory
● integrated 1 Mbyte
● Plug-in (SIMATIC Memory Card), max. with SIMATIC memory card
Backup
● present Yes
● maintenance-free Yes
● without battery Yes
CPU processing times
for bit operations, typ. 0.08 µs; / instruction
for word operations, typ. 1.7 µs; / instruction
for floating point arithmetic, typ. 2.3 µs; / instruction
CPU-blocks
Number of blocks (total) DBs, FCs, FBs, counters and timers. The maximum number of addressable blocks ranges from 1 to 65535. There is no restriction, the entire working memory can be used
OB
● Number, max. Limited only by RAM for code
Data areas and their retentivity
Retentive data area (incl. timers, counters, flags), max. 10 kbyte
Flag
● Number, max. 4 kbyte; Size of bit memory address area
Local data
● per priority class, max. 16 kbyte; Priority class 1 (program cycle): 16 KB, priority class 2 to 26: 6 KB
Address area
Process image
● Inputs, adjustable 1 kbyte
● Outputs, adjustable 1 kbyte
Hardware configuration
Number of modules per system, max. 3 communication modules, 1 signal board
Time of day
Clock
● Hardware clock (real-time) Yes
● Backup time 480 h; Typical
● Deviation per day, max. ±60 s/month at 25 °C
Digital inputs
Number of digital inputs 6; Integrated
● of which inputs usable for technological functions 6; HSC (High Speed Counting)
Source/sink input Yes
Number of simultaneously controllable inputs
all mounting positions
— up to 40 °C, max. 6
Input voltage
● Rated value (DC) 24 V
● for signal “0” 5 V DC at 1 mA
● for signal “1” 15 V DC at 2.5 mA
Input current
● for signal “1”, typ. 4 mA; nominal
Input delay (for rated value of input voltage)
for standard inputs
— parameterizable 0.2 ms, 0.4 ms, 0.8 ms, 1.6 ms, 3.2 ms, 6.4 ms and 12.8 ms, selectable in groups of four
— at “0” to “1”, min. 0.2 ms
— at “0” to “1”, max. 12.8 ms
for interrupt inputs
— parameterizable Yes
for technological functions
— parameterizable Single phase : 3 @ 100 kHz, differential: 3 @ 80 kHz
Cable length
● shielded, max. 500 m; 50 m for technological functions
● unshielded, max. 300 m; for technological functions: No
Digital outputs
Number of digital outputs 4; Relays
Switching capacity of the outputs
● with resistive load, max. 2 A
● on lamp load, max. 30 W with DC, 200 W with AC
Output delay with resistive load
● “0” to “1”, max. 10 ms; max.
● “1” to “0”, max. 10 ms; max.
Relay outputs
● Number of relay outputs 4
● Number of operating cycles, max. mechanically 10 million, at rated load voltage 100 000
Cable length
● shielded, max. 500 m
● unshielded, max. 150 m
Analog inputs
Number of analog inputs 2
Input ranges
● Voltage Yes
Input ranges (rated values), voltages
● 0 to +10 V Yes
— Input resistance (0 to 10 V) ≥100k ohms
Cable length
● shielded, max. 100 m; twisted and shielded
Analog outputs
Number of analog outputs 0
Analog value generation for the inputs
Integration and conversion time/resolution per channel
● Resolution with overrange (bit including sign), max. 10 bit
● Integration time, parameterizable Yes
● Conversion time (per channel) 625 µs
Encoder
Connectable encoders
● 2-wire sensor Yes
1. Interface
Interface type PROFINET
Physics Ethernet
Isolated Yes
automatic detection of transmission rate Yes
Autonegotiation Yes
Autocrossing Yes
Interface types
● Number of ports 1
● integrated switch No
Protocols
● PROFINET IO Controller Yes
● PROFINET IO Device Yes
● SIMATIC communication Yes
● Open IE communication Yes; Optionally also encrypted
● Web server Yes
● Media redundancy No
PROFINET IO Controller
● Transmission rate, max. 100 Mbit/s
Services
— PG/OP communication Yes
— S7 routing Yes
— Isochronous mode No
— IRT No
— MRP No
— MRPD No
— PROFIenergy No
— Prioritized startup Yes
— Number of IO devices with prioritized startup, max. 16
— Number of connectable IO Devices, max. 16
— Number of connectable IO Devices for RT, max. 16
— of which in line, max. 16
— Activation/deactivation of IO Devices Yes
— Number of IO Devices that can be simultaneously activated/deactivated, max. 8
— Updating time The minimum value of the update time also depends on the communication component set for PROFINET IO, on the number of IO devices and the quantity of configured user data.
PROFINET IO Device
Services
— PG/OP communication Yes
— S7 routing Yes
— Isochronous mode No
— IRT No
— MRP No
— MRPD No
— PROFIenergy Yes
— Shared device Yes
— Number of IO Controllers with shared device, max. 2
Protocols
Supports protocol for PROFINET IO Yes
PROFIBUS Yes; CM 1243-5 (master) or CM 1242-5 (slave) required
AS-Interface Yes; CM 1243-2 required
Protocols (Ethernet)
● TCP/IP Yes
● DHCP No
● SNMP Yes
● DCP Yes
● LLDP Yes
Open IE communication
● TCP/IP Yes
— Data length, max. 8 kbyte
— several passive connections per port, supported Yes
● ISO-on-TCP (RFC1006) Yes
— Data length, max. 8 kbyte
● UDP Yes
— Data length, max. 1 472 byte
Web server
● supported Yes
● User-defined websites Yes
OPC UA
● Runtime license required Yes
● OPC UA Server Yes; Data access (read, write, subscribe), runtime license required
— Application authentication Available security policies: None, Basic128Rsa15, Basic256Rsa15, Basic256Sha256
— User authentication “anonymous” or by user name & password
— Number of sessions, max. 5
— Number of accessible variables, max. 1 000
— Number of subscriptions per session, max. 5
— Sampling interval, min. 100 ms
— Publishing interval, min. 200 ms
— Number of monitored items, max. 500
— Number of server interfaces, max. 2
— Number of nodes for user-defined server interfaces, max. 1 000
Further protocols
● MODBUS Yes
Communication functions
S7 communication
● supported Yes
● as server Yes
● as client Yes
● User data per job, max. See online help (S7 communication, user data size)
Number of connections
● overall 8 connections for open user communication (active or passive): TSEND_C, TRCV_C, TCON, TDISCON, TSEND and TRCV, 8 CPU/CPU connections (Client or Server) for GET/PUT data, 6 connections for dynamic assignment to GET/PUT or open user communication
Test commissioning functions
Status/control
● Status/control variable Yes
● Variables Inputs/outputs, memory bits, DBs, distributed I/Os, timers, counters
Forcing
● Forcing Yes
Diagnostic buffer
● present Yes
Traces
● Number of configurable Traces 2
● Memory size per trace, max. 512 kbyte
Interrupts/diagnostics/status information
Diagnostics indication LED
● RUN/STOP LED Yes
● ERROR LED Yes
● MAINT LED Yes
Integrated Functions
Number of counters 6
Counting frequency (counter) max. 100 kHz
Frequency measurement Yes
controlled positioning Yes
Number of position-controlled positioning axes, max. 8
Number of positioning axes via pulse-direction interface Up to 4 with SB 1222
PID controller Yes
Number of alarm inputs 4
Potential separation
Potential separation digital inputs
● Potential separation digital inputs 500V AC for 1 minute
● between the channels, in groups of 1
Potential separation digital outputs
● Potential separation digital outputs Relays
● between the channels No
● between the channels, in groups of 1
EMC
Interference immunity against discharge of static electricity
● Interference immunity against discharge of static electricity acc. to IEC 61000-4-2 Yes
— Test voltage at air discharge 8 kV
— Test voltage at contact discharge 6 kV
Interference immunity to cable-borne interference
● Interference immunity on supply lines acc. to IEC 61000-4-4 Yes
● Interference immunity on signal cables acc. to IEC 61000-4-4 Yes
Interference immunity against voltage surge
● Interference immunity on supply lines acc. to IEC 61000-4-5 Yes
Interference immunity against conducted variable disturbance induced by high-frequency fields
● Interference immunity against high-frequency radiation acc. to IEC 61000-4-6 Yes
Emission of radio interference acc. to EN 55 011
● Limit class A, for use in industrial areas Yes; Group 1
● Limit class B, for use in residential areas Yes; When appropriate measures are used to ensure compliance with the limits for Class B according to EN 55011
Degree and class of protection
IP degree of protection IP20
Standards, approvals, certificates
CE mark Yes
UL approval Yes
cULus Yes
FM approval Yes
RCM (formerly C-TICK) Yes
KC approval Yes
Marine approval Yes
Ambient conditions
Free fall
● Fall height, max. 0.3 m; five times, in product package
Ambient temperature during operation
● min. -20 °C
● max. 60 °C
● horizontal installation, min. -20 °C
● horizontal installation, max. 60 °C
● vertical installation, min. -20 °C
● vertical installation, max. 50 °C
Ambient temperature during storage/transportation
● min. -40 °C
● max. 70 °C
Air pressure acc. to IEC 60068-2-13
● Operation, min. 795 hPa
● Operation, max. 1 080 hPa
● Storage/transport, min. 660 hPa
● Storage/transport, max. 1 080 hPa
Altitude during operation relating to sea level
● Installation altitude, min. -1 000 m
● Installation altitude, max. 2 000 m
Relative humidity
● Operation, max. 95 %; no condensation
Vibrations
● Vibration resistance during operation acc. to IEC 60068-2-6 2 g (m/s²) wall mounting, 1 g (m/s²) DIN rail
● Operation, tested according to IEC 60068-2-6 Yes
Shock testing
● tested according to IEC 60068-2-27 Yes; IEC 68, Part 2-27 half-sine: strength of the shock 15 g (peak value), duration 11 ms
Pollutant concentrations
● SO2 at RH < 60% without condensation S02: < 0.5 ppm; H2S: < 0.1 ppm; RH < 60% condensation-free
Configuration
Programming
Programming language
— LAD Yes
— FBD Yes
— SCL Yes
Know-how protection
● User program protection/password protection Yes
● Copy protection Yes
● Block protection Yes
Access protection
● Protection level: Write protection Yes
● Protection level: Read/write protection Yes
● Protection level: Complete protection Yes
Cycle time monitoring
● adjustable Yes
Dimensions
Width 90 mm
Height 100 mm
Depth 75 mm
Weights
Weight, approx. 420 g
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S7-1200
S7-1200
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S7-1200
S7-1200
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