Technical data
SIMATIC S7-300, FM 355-2 C for temperature stepper motor/servo motor, 4-channel, continuous, 4 analog input +8 digital input +4 analog output includes multilingual project group state package, manual and starter guide (German, en, it) saved on CD ROM
Supply voltage
Load voltage L+
● Rating (DC) 24 V
● Allowable range, lower limit (DC) 20.4V
● Allowable range, upper limit (DC) 28.8V
Input current
Voltage from load L+ (no load), maximum 310 mA; Typical value is 260 mA
From the backplane bus DC 5 V, maximum 75 mA; Typical value is 50 mA
Power loss
Power loss, typical value 6.5 W
Power loss, maximum 7.8W
Digital input
Number of input terminals 8
Input characteristics comply with IEC 61131, type 2 is
Input voltage
● Rating (DC) 24 V
● For signal "0" -3 to +5V
● For signal "1" 13 to 30V
Input current
● For signal "1", the typical value is 7 mA
Conductor length
● Shielding, maximum 1 000 m
● Unshielded, maximum 600 m
Analog input
The number of analog inputs is 4
Voltage input The allowable input voltage (damage limit), Max. 20 V
Current input Allowed input current (damage limit), Max. 40 mA
Input range
● Voltage is
● Current is
● Thermocouple is
● Resistance thermometer Yes
Input range (rating), voltage
● 0 to +10 V is
- Input resistance (0 to 10 V) 100 kΩ
● -1.75V to + 11.75V Yes
- Input resistance (-1.75 V to +11.75 V) 100 kΩ
Input range (rating), current
● 0 to 20 mA Yes
- Input resistance (0 to 20 mA) 50 Ω
● 0 to 23.5 mA Yes
- Input resistance (0 to 23.5 mA) 50 Ω
● -3.5 mA to +23.5 mA Yes
- Input resistance (-3.5 mA to +23.5 mA) 50 Ω
● 4 mA to 20 mA Yes
- Input resistance (4 mA to 20 mA) 50 Ω
Input range (rating), thermocouple
● Type B is
- Input resistance (Type B) 10 MΩ
● Type E is
- Input resistance (Type E) 10 MΩ
● Type J is
- Input resistance (Type J) 10 MΩ
● Type K is
- Input resistance (Type K) 10 MΩ
● Type R is
- Input resistance (Type R) 10 MΩ
● Type S is
- Input resistance (Type S) 10 MΩ
Input range (rating), resistance thermometer
● Pt 100 is
- Input resistance (Pt 100) 10 MΩ
Thermocouple (TC)
Temperature compensation
- Internal temperature compensation Yes
- What is the external temperature compensation using Pt100
Characteristic linearization
● Parameterizable yes
- For thermocouple types B, E, J, K, R, S
-- Resistance thermometer Pt100 (standard)
Conductor length
● Shielding, maximum 200 m; 50 m for 80 mV and thermocouple
Analog output
The number of analog outputs is 4
Voltage output, short circuit protection is
Voltage output, short circuit current, Max. 25 mA
Current output, no load voltage, maximum 18 V
Output range, voltage
● 0 to 10 V is
● -10 V to +10 V Yes
Output range, current
● 0 to 20 mA Yes
● 4 mA to 20 mA Yes
Actuator connection
● For two wire interface voltage output is
● For the two-wire interface current output is
Load resistance (in rated output range)
● Minimum voltage output 1 kΩ
● Capacitance load at the voltage output, maximum 1 µF
● The maximum value of current output is 500 Ω
● Inductive load at current output, maximum 1 mH
Conductor length
● Shielding, maximum 200 m; 50 m for 80 mV and thermocouple
Input analog value composition
Integration and conversion time/resolution per channel
● Resolution (bits including symbols) with overmodulation, up to 14 bits
Composition of analog values at the output end
Starting time
● 0.1ms for resistance load
● For capacitive load 3.3ms
● For inductive load 0.5ms
sensor
Signal sensor connection
● For voltage measurement is
● For the current measurement as a four-wire system transmitter
Connectable sensor
● Double wire sensor is
- The maximum allowable closed-circuit current (for a dual-wire sensor) is 1.5 mA
Error/accuracy
Operating error limits throughout the temperature range
● Voltage, related to the input range, (+/-) 0.6%; ±0.6 to ±0.7 %
● Current, related to the input range, (+/-) 0.6 %; ±0.6 to ±0.7 %
● Thermal resistance, depending on the input range, (+/-) 0.6 %; ±0.6 to ±0.7 %
● Voltage, related to output range, (+/-) 0.5 %
● Current, related to output range, (+/-) 0.6 %
Basic error limit (operating error limit at 25 °C)
● Voltage, related to input range, (+/-) 0.04%; ±0.04 to ±0.5 %
● Current, related to input range, (+/-) 0.04%; ±0.04 to ±0.5 %
● Thermal resistance, dependent on input range, (+/-) 0.04%; ±0.04 to ±0.5 %
● Voltage, related to output range, (+/-) 0.4 %
● Current, related to output range, (+/-) 0.5 %
Alarm/diagnosis/status information
The accessible alternative values are; parameterizable
Integrated function
Counter no
Control technique
● The number of regulators is 4
Potential isolation
Regulator potential isolation
● Between channels no
● Between the channel and backplane bus is; Photoelectric coupler
insulation
Insulation test, using DC 500 V
Connect technology/title
Required front plug 2x 20 pins
dimension
Width 80 mm
Height 125 mm
Depth 120 mm
weight
Weight, about 470 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
