Technical data
SIMATIC S7-300, Simulation module SM 334, Potential isolation, 4 analog inputs /2 analog outputs, 12-bit, 0-10V, for Pt100 (air conditioning range 120-155 degrees) and 10kOhm measuring range, 1 piece of 20 pins
Supply voltage
Load voltage L+
● Rating (DC) 24 V
● Reverse polarity protection is
Input current
Voltage from supply and load L+ (no load), Max. 80 mA
From the backplane bus DC 5 V, Max 60 mA
Power loss
Power loss, typical value 2 W
Analog input
The number of analog inputs is 4
● Voltage measurement 2
● 4 when measuring resistance
Voltage input Allowed input voltage (damage limit), Max. 20 V; Continuous voltage; 75 V in maximum 1 s (duty cycle 1:20)
Constant measurement current of resistance sensor, typical value 490 µA; At PT100 (490 µA) and at 10 kOhm (105 µa)
Cycle time (for all channels), maximum 85 ms
Input range
● Voltage is
● Current No
● Thermocouple No
● Resistance thermometer Yes
● Resistance is
Input range (rating), voltage
● 0 to +10 V is
- Input resistance (0 to 10 V) 100 kΩ
Input range (rating), resistance thermometer
● Pt 100 Yes; Climate-only range
Input range (rating), resistance
● 0 to 10000 ohms is
Characteristic linearization
● Parameterizable yes
-- Resistance Thermometer Pt100 (climate)
Conductor length
● Shielding, maximum 100 m
Analog output
The number of analog outputs is 2
Voltage output, short circuit protection is
Voltage output, short circuit current, Max. 30 mA
Output range, voltage
● 0 to 10 V is
Load resistance (in rated output range)
● Minimum voltage output value 2.5 kΩ
● Capacitance load at the voltage output, maximum 1 µF
Conductor length
● Shielding, maximum 100 m
Input analog value composition
Integration and conversion time/resolution per channel
● Resolution (bits including symbols) with overmodulation, up to 12 bits
● Parameterizable integration time is
● Integration time (ms) 16, 67/20 ms
● For interference frequency f1 (unit Hz), interference voltage suppression 50/60 Hz
Composition of analog values at the output end
Integration and conversion time/resolution per channel
● Resolution (bits including symbols) with overmodulation, up to 12 bits
● Conversion time (per channel) 500 µs
Starting time
● For resistance load 0.8ms
● For capacitive load 0.8ms
sensor
Signal sensor connection
● For voltage measurement is
● For the use of two wire interface resistance measurement is
● For the use of three wire system interface resistance measurement is
● For the use of four-wire interface resistance measurement is
Error/accuracy
Operating error limits throughout the temperature range
● Voltage, related to the input range, (+/-) 0.7 %; 0 to 10V
● Resistance, depending on the input range, (+/-) 3.5 %; 10 kOhm
● Thermal resistance, depending on the input range, (+/-) 1%
● Voltage, related to output range, (+/-) 1%
Basic error limit (operating error limit at 25 °C)
● Voltage, related to the input range, (+/-) 0.5%; 0 to 10V
● Resistance, related to the input range, (+/-) 2.8 %; 10 kOhm
● Thermal resistance, dependent on input range, (+/-) 0.8%
● Voltage, related to output range, (+/-) 0.85%
Alarm/diagnosis/status information
Alarm no
Diagnostic function No
Potential isolation
Simulated input potential isolation
● Between the channel and the backplane bus
Simulated output potential isolation
● Between channels no
● Between the channel and the backplane bus
● Between the channel and the supply voltage of the electronic component
insulation
Insulation test, using DC 500 V
Connect technology/title
Required front plug 20 pins
dimension
Width 40mm
Height 125 mm
Depth 117 mm
weight
Weight, about 200 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.