Technical data
SIMATIC S7-300, Control module FM 355 S, 4 channels, step and pulse, 4 analog input +8 digital input +8 digital output includes multi-language project group state package, manual and getting Started guide (German, en, French, 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
From the load voltage L+ (no load), maximum 270 mA; Typical value is 220 mA
From the backplane bus DC 5 V, maximum 75 mA; Typical value is 50 mA
Power loss
Power loss, typical value 5.5 W
Power loss, maximum 6.9W
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
Digital output
Number of output terminals 8
Short circuit protection is; electron
Limit of induction shut-off voltage L+ (-1.5V)
Control digit input is
Output on-off capability
● The maximum value of lighting load is 5 W
Load resistance range
● Lower limit 240 Ω
● Maximum 4 kΩ
Output voltage
● For signal "1", minimum L+ (-2.5V)
Output current
● For signal "1" rating of 100 mA
● For signal "1" allowable range 0 to 60 ℃, minimum value 5 mA
● For signal "1" allowable range 0 to 60 ℃, maximum 150 mA
● For the residual current of signal "0", the maximum is 0.5mA
The two outputs are in parallel
● For logical connection
Switching frequency
● The maximum value of resistance under load is 100 Hz
● The maximum value of inductive load is 0.5Hz
● The maximum value of lighting load is 100 Hz
Total current at output (per group)
All mounting positions
-- The maximum is 60 ℃ and the maximum is 400 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. 30 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
● -80 mV to +80 mV Yes
- Input resistance (-80 mV to +80 mV) 10 MΩ
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 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, J, K, R, S
-- Resistance thermometer Pt100 (standard)
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; 12 or 14 bits, parameterizable
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 ±1 %
● Current, related to the input range, (+/-) 0.6 %; ±0.6 to ±1 %
● Thermal resistance, depending on the input range, (+/-) 0.6 %; ±0.6 to ±1 %
Basic error limit (operating error limit at 25 °C)
● Voltage, related to the input range, (+/-) 0.4%; 80 mV: ±0.6 %; 250 to 1,000 mV: ±0.4 %; 2.5 to 10 V: ±0.6 %; 3.2 to 20 mA: ±0, 5%
● Current, related to input range, (+/-) 0.4 %; ±0.4 to ±0.6 percent
● Thermal resistance, depending on the input range, (+/-) 0.4 %; ±0.4 to ±0.6 percent
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
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+8613811814778
info@zhongpingtech.com
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