Technical data
SIMATIC S7-1200, Communication Board CB 1241, RS-485,
terminal box, free port supported
General information
Product type Mark CB 1241 RS 485
Input current
From the backplane bus DC 5 V, typical value 50 mA
Power loss
Power loss, typical value 1.5 W
interface
Point-to-point connection
● Conductor length, maximum 1 000 m
Integrated protocol driver
- Free port Yes
- ASCII Yes; Available as a library function
- The primary Modbus RTU station is
- Modbus RTU Secondary station Yes
- USS Yes; Available as a library function
agreement
Integration protocol
Free port
- Packet length. The maximum value is 1 kbyte
- Each character contains 7 or 8 bits
- Number of stop bits: 1 (standard), 2
- Parity check (standard by default) None Parity check. Positive, odd, and tag (the parity bit is always 1); Blank (parity bit is always 0)
3964 (R)
- Packet length. The maximum value is 1 kbyte
- Each character contains 7 or 8 bits
- Number of stop bits: 1 (standard), 2
- Parity check (standard by default) None Parity check. Positive, odd, and tag (the parity bit is always 1); Blank (parity bit is always 0)
Primary Modbus RTU station
- Address range 1 to 49 999 (Standard Modbus addressing)
-- Number of slave stations, maximum 247; There are up to 32 devices per MODBUS network segment from station number 1 to 247, and more Repeaters are needed to scale the network to the maximum configuration
Modbus RTU Secondary station
- Address range 1 to 49 999 (Standard Modbus addressing)
Alarm/diagnosis/status information
The diagnostic function is
Protection level and protection category
Protection level IP Address IP20
Standards, licenses, certificates
CE mark is
The CSA license is
UL license is
cULus is
FM license is
RCM (formerly C-TICK) is
KC license is
The ship construction permit is
Environmental requirements
In the open
● Maximum drop 0.3m; Five, in the shipping package
Operating ambient temperature
● Minimum value -20 °C
● Maximum 60 °C
● Horizontal installation, minimum value -20 °C
● Horizontal installation, maximum 60 °C
● Vertical installation, minimum value -20 °C
● Vertical installation, maximum 50 °C
● Allow temperature variation from 5°C to 55°C, 3°C/ min
Ambient temperature during transportation/storage
● Minimum value -40 °C
● Maximum 70 °C
Air pressure meets IEC 60068-2-13 standard
● Operation, minimum 795 hPa
● Operation, maximum 1 080 hPa
● Storage/transportation, minimum 660 hPa
● Storage/transportation, maximum 1 080 hPa
Relative air humidity
● No condensation operation at 25 °C, maximum 95%
dimension
Width 38 mm
Height 62 mm
Depth 21 mm
weight
Weight, about 40 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.