Technical data
SIMATIC S7-300, CPU 312 CPU with MPI, integrated power supply 24V DC, memory 32 KByte, requires a micro memory card
General information
Hardware function status 01
Firmware version V3.3
packaged
● Engineering system STEP 7 V5.5 + SP1 or STEP 7 V5.2 + SP1, with HSP 218
Supply voltage
Rating (DC) 24 V
Allowable range, lower limit (DC) 19.2 V
The upper limit (DC) is 28.8V
External safety device of power conductor (recommended) minimum 2 A
The power supply and voltage break are bonded
● Blackout/blackout crossover time 5 ms
● Repetition rate, minimum value 1 s
Input current
Consumption current (rated) 650 mA
Current consumption (no load), typical value 140 mA
Switching current, typical value 3.5 A
I squared t 1 A squared times s
Power loss
Power loss, typical value 4 W
memory
Working memory
● Integrated 32 kbyte
● Expandable No
Loading storage
● Plug-in type (MMC) Yes
● Pluggable (MMC), Max. 8 Mbyte
● Data management on MMC (after last programming), minimum 10 a
buffering
● Existence is; Guarantee via MMC (maintenance free)
● Without batteries is; Program and data
CPU- Processing time
For bit operations, the typical value is 0.1 µs
For word operations, the typical value is 0.24 µs
For fixed-point operations, the typical value is 0.32 µs
For floating-point arithmetic, the typical value is 1.1 µs
CPU-component
Number of components (total) 1 024; (DB, FC, FB); The maximum number of loadable blocks can be reduced by the MMCS installed.
Nesting depth
● Each priority level is 16
● Additional Level 4 in error OB
Counter, timer and residual magnetism
S7 counter
● Quantity 256
Time range
- The lower limit is 10 ms
- The upper limit is 9 990 s
IEC timer
Being is
● Type SFB
● Unlimited quantity (limited via RAM only)
Data range and its remanence
The range of data retained (including time, counters, tags), up to 32 kbyte
mark
● Capacity: A maximum of 256 bytes
● remanence is present; MB 0 to MB 255
● Preset remanence MB 0 to MB 15
● Timing mark number 8; 1 tag byte
Data component
● Adjustable remanence is; Does not hold characteristics in DB
● Preset remanence is
Local data
● Maximum 32 kbyte per priority level; Each block has a maximum of 2 KB
Component carrier
● Component carrier, maximum 1
● Components per component carrier, Max. 8
time
clock
● Software clock is
● Can be buffered and synchronized no; Buffered, no; Synchronized, yes
● Daily deviation, maximum 10 s; Typical value: 2 s
● After the power supply is switched on, the clock display is still normal when the power supply is disconnected
Run time counter
● Quantity 1
● Number/number bar 0
● Range 0 to 2 to the 31st hours (when using SFC 101)
● Interval size 1 h
● The remainder is; You must restart each time you restart
1. Interface
Interface Type Integrated RS 485 interface
Potential isolation
Physical interface
● RS 485 is
● Interface output current, maximum 200 mA
● Transmission rate, maximum 187.5 kbit/s
Number of connections
● All 6
● Can be used in PG communication 5
- Reserve 1 for PG communication
-- Adjustable for PG communication, minimum value 1
- Adjustable for PG communication, Max. 5
● Can be used for OP communication 5
- Reserve 1 for OP communication
- Adjustable for OP communication, minimum value 1
- Adjustable for OP communication, Max. 5
● Can be used in S7 basic communication 2
- Reserve 0 for S7 Basis communication
- Can be adjusted for S7 Basis communication. The minimum value is 0
- Adjustable for S7 basic communication. Maximum value: 2
Alarm S module active at the same time, maximum 300
Debugging function test
Component state is; A maximum of two can be configured simultaneously
The steps are
The number of stopping points is 4
Width 40mm
Height 125 mm
Depth 130mm
weight
Weight, about 270 g
FAQ
1.Who are We?
Beijing Zhongping Technology Co., LTD., is a one-stop integrated service provider of intelligent manufacturing, belongs to the Gong Doctor Group, is a scientific research, design, marketing, technical services, industrial Internet, international import and export services as one of the science and technology companies.
2.What can you buy from us?
PLC, inverter, human-machine interface, hydraulic products, low-voltage power distribution, industrial robots and core components
3.Is the item in stock or need to be purchased from another supplier?
We have a large inventory of goods and have our own warehouse.
4.What advantages do we have over other suppliers?
Our company has a large amount of inventory and a number of warehouses, but also in the country's important industrial provinces and cities with offices and a number of overseas service points. To provide you with intelligent manufacturing one-stop comprehensive services, save efforts, labor and cost.
5.Can you provide 100% new original authentic products?
We only sell new original genuine, no renovation, no fake, only for the original factory original!
6.How long is the delivery time?
If there is a stock, it will take 2-3 working days to ship, if the quantity is large, it will take 5-7 working days after receiving the payment, if it is not a conventional model, it will take some time, we will inform you of the specific delivery time.
7.Is there technical support available?
Of course, we have a professional technical team that can help you solve technical problems.
8.How do we guarantee quality?
We have three processes to control the quality of goods.
1). Our engineers will inspect the production and quality control in the factory regularly.
2) Incoming materials shall be inspected by experienced purchasing engineers before they can be stored.
3). At least 2 people in the logistics department cross-check the goods to be sent before delivery.
9.Can you guarantee the safe and reliable delivery of your products?
Yes, we strictly adopt the international standard packing. We also use special packaging for dangerous goods, and refrigerated shipping for items with temperature requirements. Special item packaging and general cargo standard packaging requirements may incur additional costs.
10.How about the freight?
The cost depends on how you choose to get the goods. Express is usually the fastest but also the most expensive way. Sea freight is the best solution for large quantities of goods. The exact shipping cost depends on the purchase amount、quantity and weight of your order. Please feel free to contact us for more information.
010-64225983
+8613811814778
info@zhongpingtech.com
Building 26, Liyuan Community, Chaoyang District, Beijing, China
