Product Name: Siemens S7-300...

CPU312C, 10DI/6DO, 64 KB

       

 

       Product Information:

 

SIMATIC S7-300,CPU 312C compact CPU mit MPI, 10 DE/6 DA, 2 schnelle counter(10 kHz) integr. Power supply DC 24V working memory64 KByte front connector(1x 40 pole) and miniature memory cards

 

       Technical data:

 

          General information        

          Hardware function status        1

          Firmware version         V3.3

          With package        

         ● engineering System  STEP 7 V5.5 + SP1 above or STEP 7 V5.3 + SP2 above, attached HSP 203

          Power supply voltage        

          Rating(DC)

         ● DC 24V yes

          Allowed range, lower limit(DC) 19.2V

          Allowed range, upper limit(DC) 28.8V

          External safety device for power conductor (recommended)     LS switch, type C, minimum value2 A; LS switch, type B, minimum value4 A

          Power supply and voltage open circuit jumper    

         ● power failure/ power off crossover time5 ms

         ● repetition rate, minimum      1 S

          Load voltage L+

          Digital Output    

         - rating(DC) 24V

         - reverse polarity protection       no

          Input current        

          Current consumption (rated value)    570 mA

          Consumption current (no-load), typical value 90 mA

          On current, typical value        5 A

I2t 0.7 A2·s

          Digital Output    

         ● from load voltage L+, maximum value    25 mA

          Power loss        

          Power loss, typical        8W

          Memory    

          Working memory    

         ● integration 64 kbyte

         ● scalable       no

         ● the size of the residual magnetic memory used for the remaining data module. 64 kbyte

          Loading memory    

         ● plug-in type(MMC) yes

         ● plug-in type(MMC), maximum value8 Mbyte

         ● MMC data management on (after the last programming), minimum     10 y

          Buffer        

         ● existence  yes; pass MMC guarantee (maintenance free)

         ● without battery  yes; programs and data

CPU- processing time        

          For bit operations, typical values    0.1 μs

          Typical values for word operations    0.24 μs

          For fixed-point operations, typical values        0.32 μs

          For floating-point operations, typical values        1.1 μs

CPU- component        

          Number of components (total)        1 024;( DB, FC, FB); You can use MMC reduce the maximum number of loadable blocks.

DB

         ● quantity, maximum 1 024; digital bar:1 to16000

         ● capacity, maximum 64 kbyte

FB

         ● quantity, maximum 1 024; digital bar:0 to7999

         ● capacity, maximum 64 kbyte

FC

         ● quantity, maximum 1 024; digital bar:0 to7999

         ● capacity, maximum 64 kbyte

OB

         ● description  see actions list

         ● capacity, maximum 64 kbyte

         ● available cycle OB quantity1; OB 1

         ● time alarm OB quantity1; OB 10

         ● delay alarm OB quantity2; OB 20, 21

         ● wake-up warning OB quantity4; OB 32,33,34,35

         ● process alarm OB quantity1; OB 40

         ● start OB quantity1; OB 100

         ● asynchronous error OB quantity4; OB 80,82,85,87

         ● synchronization error OB quantity2; OB 121,122

          Nesting Depth        

         ● each priority level 16

         ● error OB additional levels in4

          Counter, timer and its remanence    

S7 counter      

         ● quantity 256

          Remanence        

         -Adjustable       yes

         - lower limit 0

         - upper limit 255

         - preset       Z 0 to Z 7

          Counter range        

         - lower limit 0

         - upper limit 999

IEC counter    

         ● quantity  unlimited (only through RAM limit)

S7 time  

         ● quantity 256

          Remanence        

         - adjustable       yes

         - lower limit 0

         - upper limit 255

         - preset       no surplus

          Time range        

         - lower limit 10 ms

         - upper limit 9 990 s

IEC timer    

         ● existence  yes

         ● type  SFB

         ● quantity  unlimited (only through RAM limit)

          Data range and its remanence        

          Data range can be retained, all         all, maximum64 kb

          Mark        

         ● quantity, maximum 256 byte

         ● presence of remanence  yes; MB 0 to MB 255

         ● preset remanence  MB 0 to MB 15

         ● number of timing marks 8; 1 marked bytes

          Data Components        

         ● quantity, maximum 1 024; digital bar:1 to16000

         ● capacity, maximum 64 kbyte

         ● adjustable remanence       yes; in DB does not retain features in

         ● preset remanence  yes

          Local data        

         ● each priority level, maximum 32 kbyte; maximum Value per block2048 bytes

          Address range        

          Peripheral address range        

         ● input      1 024 byte

         ● output      1 024 byte

          Distributed    

         - input       none

         - output       none

          Process Image        

         ● input      1 024 byte

         ● output      1 024 byte

         ● input, adjustable      1 024 byte

         ● output terminal, adjustable      1 024 byte

         ● input, preset      128 byte

         ● output, preset      128 byte

          The default address of the integration channel.    

         - digital input      124.0 to125.1

         - digital Output      124.0 to124.5

          Digital channel        

         ● input      266

         - centralized      266

         ● output      262

         - centralized      262

          Analog Channel        

         ● input      64

         - centralized      64

         ● output      64

         - centralized      64

          Hardware extension        

          Number of extended supports, maximum        0

DP number of master stations 

         ● integration  none

         ● about CP 4

          Runnable FM and CP quantity (recommended)  

         ● FM 8

         ● CP, PtP 8

         ● CP, LAN 4          

         ● quantity 1

         ● number/ digital bar    0

         ● value range 0 to2 the31 power Hour (in use SFC 101 time)

         ● interval size 1 hours

         ● remaining  yes; you must restart each time you restart                

 

          Number of digital inputs    10

         ● inputs that can be used to implement technical functions      8

          Integrated Channel(DI) 10

          Input characteristics conform IEC 61131, type1 yes

          Number of input terminals that can be controlled at the same time    

          Horizontal installation position        

         - up40℃, maximum      10

         - up60℃, maximum      5

          Vertical Installation position        

         - up40℃, maximum      5

          Input voltage        

         ● rating(DC) 24V

         ● for signal0"        -3 to+5V

         ● for signal1"        +15 to+30V

          Input current        

         ● for signal1", typical value 8 mA

          Input delay (when the input voltage is rated)    

          For standard input    

         - parameterizable  yes; 0.1 / 0.3 / 3 / 15ms(During the program running time, you can configure the input delay of the standard input again. Note that the reset filtering time may not take effect until the previous filtering time completes a cycle.)

         - rating      3 ms

          For counters/ technical functions  

         - from0"To"1 maximum value 48 μs; minimum pulse width at maximum count frequency/ minimum pulse interval

          Wire Length        

         ● mask, maximum 1 000 m; 100 m for technical functions

         ● unshielded, maximum      600 m; for technical functions: no

          For technical functions        

         - mask, maximum 100 m; at the maximum count frequency

         - unshielded, maximum       not allowed

          Digital Output        

          Number of digital outputs    6

         ● the fast output 2; note: Do not connect in parallel CPU fast output

          Integrated Channel(DO) 6

          Short circuit protection         yes; electron pulse

         ● response threshold, typical value      1 A

          Limit of inductive shutdown voltage         L+ (-48 V)

          Control digital input         yes

          On-off capability of output terminal        

         ●Maximum lighting load      5W

          Load resistance range        

         ● lower limit 48

         ● upper limit 4 K

          Output voltage        

         ● for signals"1", minimum value         L+ (-0.8 V)

          Output Current        

         ● for signal1"Rating        500 mA

         ● for signal1 allowed range, minimum value    5 mA

         ● for signal1 allowed range, maximum    0.6 A

         ● for signal1 minimum load current    5 mA

         ● for signal0"Residual current, maximum value    0.5 mA

          Two output terminals are connected in parallel    

         ● used to increase power  no

         ● used for redundant load control  yes

          Switching frequency        

         ● maximum value of resistance load      100Hz

         ● maximum value of inductive load      0.5Hz

         ● maximum lighting load      100Hz

         ● pulse output terminal of resistance load, maximum value 2.5 kHz

          Total current at the output terminal (each group)    

          Horizontal installation position        

         - up40℃, maximum      2 A

         - up60℃, maximum      1.5 A

          Vertical Installation position        

         - up40℃, maximum      1.5 A

          Wire Length        

         ● mask, maximum 1 000 m

         ● unshielded, maximum      600 m

          Analog input        

          Number of analog inputs    0

          Integrated Channel(AI) 0

          Analog output        

          Number of analog outputs    0

          Integrated Channel(AO) 0

          Sensor    

          Connectable sensor        

         ● two-wire sensor       yes

         - allowable closed circuit current (two-wire sensor) maximum    1.5 mA

          Interface        

          Number of Industrial Ethernet interfaces    0

RS 485 number of interfaces   1; MPI

RS 422 number of interfaces   0

1. Interface  

          Interface Type         integration RS 485 interface

          Physical composition         RS 485

          Potential isolation         no

          Power supply at the interface (15 to30V DC), maximum value200 mA

          Functionality    

         ● MPI yes

         ● PROFIBUS DP main Station   no

         ● PROFIBUS DP slave station   no

         ● point-to-point connection       no

MPI

         ● transmission rate, maximum 187.5 kbit/s

          Service        

         - PG/OP communication      yes

         - routing  no

         - global Data Communication  yes

         - S7 basic communication     yes

         - S7 communication     yes; server only, single-side configuration connection

         - S7 communication, as a client     no; but about CP and loadable FB

         - S7 communication, as a server     yes

          Communication function        

PG/OP communication    yes

          Dataset routing     no

          Global Data Communication        

         ● support  yes

         ● GD number of circles, maximum       8

         ● GD number of packages, maximum       8

         ● GD number of packets, Sender, maximum       8

         ● GD number of packets, receiver, maximum       8

         ● GD package size, maximum       22 byte

         ● GD package size (consistency), maximum     22 byte

S7 basic communication  

         ● support  yes

         ● valid data for each task, maximum      76 byte

         ● valid data for each task (consistency), maximum    76 byte; 76 bytes ( X_SEND or X_RCV);64 bytes ( X_PUT or X_GET as a server)

S7Communication  

         ● support  yes

         ● as a server       yes

         ● as a client       yes; pass CP and loadable FB

         ● valid data for each task, maximum      180 byte;( PUT/GET)

         ● valid data for each task (consistency), maximum    240 byte; as a server

S5 compatible communication  

         ● support  yes; pass CP and loadable FC

          Number of connections        

         ● all 6

         ● applicable PG communication 5

         - for PG communication Reservation     1

         - adjustable PG communication, minimum     1

         - adjustable PG communication, maximum     5

         ● available OP communication     5

         - for OP communication Reservation     1

         - adjustable OP communication, minimum     1

         - adjustable OP communication, maximum     5

         ● applicable S7 basic communication  2

         - for S7 Basis communication Reservation     0

         - adjustable S7 Basis communication, minimum     0

         - adjustable S7 basic communication, maximum      2

S7 message function  

          The maximum number of registrable sites for the message function.        6; depends on the pair PG/OP and S7 configuration connection of basic communication

          Process diagnosis message         yes

          Alerts for activities at the same time S component, maximum  300

          Debugging function test        

          Component Status         yes; at most at the same time2 A

          Each step         yes

          Number of stop points    4

          Status/ control       

         ● variable Status/ control yes

         ● variable  input, output, tag, DB, timer, counter

         ● number of variables, maximum 30

         - the state of the variable, the maximum value      30

         - variable control, maximum      14

          Mandatory        

         ● mandatory  yes

         ● force, variable       input and output

         ● number of variables, maximum 10

          Diagnostic buffer    

         ● existence  yes

         ● number of Entries, maximum 500

         - adjustable       no

         - power outage insurance      100; keep only the last100 entries

         ● RUN the maximum number of entries that can be read in the mode.    499

         - adjustable       yes; 10 to499

         - preset      10

          Maintenance data        

         ● readable  yes

          Alarm/ diagnosis/ status Information     

          Diagnostic display LED

         ● digital input status display (green)  yes

         ● digital Output status display (green)  yes

          Integration function        

          Number of counters    2; see technical functions in the manual"

          Count frequency (counter), maximum      10 kHz

          Frequency Measurement         yes

          Frequency meter quantity    2; maximum10 kHz(See manual "technical functions")

          Control positioning         no

          Integrated Functional components (adjustment)     no

PID regulator     no

          Number of pulse outputs        2; maximum pulse width modulation2.5 kHz(See manual "technical functions")

          Limit frequency (Pulse)        2.5 kHz

          Potential isolation        

          Digital input potential isolation        

         ● digital input potential isolation  yes

         ● between channels       no

         ● between the channel and the backplane bus  yes

          Digital output potential isolation        

         ● digital output potential isolation  yes

         ● between channels       no

         ● between the channel and the backplane bus  yes

          Insulation        

          Insulation Test, use     DC 600V

          Environmental requirements        

          Operating ambient temperature        

         ● minimum value      0° C

         ● maximum      60° C

          Configuration        

          Configuration software        

         ● STEP 7 yes; STEP 7 V5.5 + SP1 above or STEP 7 V5.3 + SP2 above, attached HSP 203

         ● STEP 7-Lite no

        

          Programming language        

         - KOP yes

         - FUP yes

         - AWL yes

         - SCL yes

         - GRAPH yes

         - HiGraph® yes

          Technical Protection        

         ● user program protection/ password protection yes

         ● module encryption  yes; equipped S7-Block Privacy

          Size        

          Width        80 mm

          Height        125 mm

          Depth        130 mm

          Weight        

          Weight, about        410g