SM 431 analog input module

Заказные данные
(7)
Аксессуары
(26)

Analog inputs for the SIMATIC S7-400
For connection of voltage and current sensors, thermocouples, resistors and resistance thermometers
Resolution from 13 to 16 bit

Область применения

Analog input modules can be used to connect the control to analog process signals. They are suitable for the connection of voltage and current sensors, thermocouples, resistors and resistance thermometers.

Дизайн

The analog input modules have the following mechanical features:

Compact configuration:
The rugged plastic housing contains:
- Slot for front connector
- Labeling strips
Simple assembly
User-friendly wiring:
The modules are wired by means of a plug-in front connector.

Функции

Analog input modules convert analog signals from the process into digital values for internal processing within the S7-400.

The modules feature the following:

Resolution from 13 to 16 bit
Different measurement ranges
Alarm functionality
Diagnostics

Технические данные

Order number	6ES7431-0HH00-0AB0	6ES7431-1KF20-0AB0	6ES7431-1KF00-0AB0	6ES7431-1KF10-0AB0
	SIMATIC S7-400, ANALOG INPUT	SIMATIC S7-400, SM 431	SIMATIC S7-400, SM 431	SIMATIC S7-400, SM 431
Supply voltage
Load voltage L+
● Rated value (DC)	24 V; Only required for supplying 2-wire transmitters	24 V; Only required for supplying 2-wire transmitters	not necessary	24 V; Only required for supplying 2-wire transmitters
● Reverse polarity protection	Yes	Yes		Yes
Input current
from load voltage L+ (without load), max.	400 mA; for 16 connected, fully controlled 2-wire transmitters	200 mA; for 8 connected, fully controlled 2-wire transmitters		200 mA; for 8 connected, fully controlled 2-wire transmitters
from backplane bus 5 V DC, max.	100 mA	1 000 mA	350 mA	600 mA
Power loss
Power loss, typ.	2 W	4.9 W	1.8 W	3.5 W
Analog inputs
Number of analog inputs	16	8	8	8
● For voltage/current measurement	16	8	8	8
● For resistance measurement		4	4	4
permissible input voltage for voltage input (destruction limit), max.	20 V; 20 V DC permanent, 75 V DC for max. 1 s (duty factor 1:20)	18 V; 18 V continuous, 75 V for 1 ms (mark to space ratio 1:20)	50 V	18 V; 18 V continuous, 75 V for 1 ms (mark to space ratio 1:20)
permissible input current for current input (destruction limit), max.	40 mA	40 mA; Permanent	50 mA; 40 mA continuous	40 mA; Permanent
Input ranges (rated values), voltages
● 1 V to 5 V	Yes	Yes	Yes	Yes
● -1 V to +1 V	Yes	Yes	Yes	Yes
● -10 V to +10 V	Yes	Yes	Yes	Yes
● -2.5 V to +2.5 V				Yes
● -250 mV to +250 mV				Yes
● -5 V to +5 V				Yes
● -500 mV to +500 mV				Yes
● -80 mV to +80 mV				Yes
Input ranges (rated values), currents
● 0 to 20 mA				Yes
● -20 mA to +20 mA	Yes	Yes	Yes
● 4 mA to 20 mA	Yes	Yes	Yes	Yes
Input ranges (rated values), thermocouples
● Type B				Yes
● Type E				Yes
● Type J				Yes
● Type K				Yes
● Type L				Yes
● Type N				Yes
● Type R				Yes
● Type S				Yes
● Type T				Yes
● Type U				Yes
Input ranges (rated values), resistance thermometer
● Ni 100				Yes
● Ni 1000				Yes
● Pt 100				Yes
● Pt 1000				Yes
● Pt 10000				Yes
● Pt 200				Yes
● Pt 500				Yes
Input ranges (rated values), resistors
● 0 to 48 ohms				Yes
● 0 to 150 ohms				Yes
● 0 to 300 ohms				Yes
● 0 to 600 ohms		Yes	Yes	Yes
● 0 to 6000 ohms				Yes; Usable up to 5000 Ohm
Thermocouple (TC)
Temperature compensation
— internal temperature compensation				No
— external temperature compensation with compensations socket				Yes
— external temperature compensation with Pt100				Yes
— dynamic reference temperature value				Yes
Characteristic linearization
● parameterizable				Yes
— for thermocouples				Type B, E, J, K, L, N, R, S, T, U
— for resistance thermometer				Pt100, Pt200, Pt500, Pt1000, Ni100, Ni1000
Cable length
● shielded, max.	200 m	200 m	200 m	200 m; 50 m with thermocouples and input ranges <= 80 mV
Analog value generation for the inputs
Integration and conversion time/resolution per channel
● Resolution with overrange (bit including sign), max.	13 bit	14 bit; 14 / 14 / 14	13 bit	14 bit; with activated filtering: 16 bits
● Integration time, parameterizable	Yes	Yes	Yes	Yes
● Basic conversion time (ms)	55 / 65 ms	52 µs	23 / 25 ms	20.1 / 23.5 ms
● Integration time (ms)	50 / 60 ms		16,7 / 20 ms	16,7 / 20 ms
● Basic conversion time, including integration time (ms)
— additional conversion time for wire-break monitoring				4,3 ms
— additional conversion time for resistance measurement				40.2 / 47 ms
— additional conversion time for wire-break monitoring and resistance measurement				5,5 ms
● Interference voltage suppression for interference frequency f1 in Hz	50 / 60 Hz	none / 400 / 60 / 50 Hz	50 / 60 Hz	50 / 60 Hz
Encoder
Connection of signal encoders
● for voltage measurement	Yes; possible	Yes; possible	Yes; possible	Yes; possible
● for current measurement as 2-wire transducer		Yes	Yes; with external transmitter supply	Yes
● for current measurement as 4-wire transducer	Yes	Yes	Yes	Yes
● for resistance measurement with two-wire connection		Yes; Line resistances are also measured	Yes; Line resistances are also measured	Yes; Line resistances are also measured
● for resistance measurement with three-wire connection		Yes; Line resistances are also measured	Yes; Line resistances are also measured	Yes
● for resistance measurement with four-wire connection		Yes	Yes	Yes
Errors/accuracies
Operational error limit in overall temperature range
● Voltage, relative to input range, (+/-)	0.65 %; 1.0% at 1 to 5 V; 0.65% at +/-1 V, +/-10 V	0.7 %; +/-0.7% at +/-1 V; +/-0.9% at +/-10 V, 1 to 5 V	1 %; +/-1.0% at +/-1 V; +/-0.6% at +/-10 V; +/-0.7% at 1 to 5 V	0.38 %; +/-0.38% at +/-80 mV; +/-0.35% at +/-250 mV, +/-500mV, +/-1 V, +/-2,5 V, +/-5 V, 1 to 5 V, +/-10 V
● Current, relative to input range, (+/-)	0.65 %	0.8 %; at +/-20 mA, 4 to 20 mA	1 %; at +/-20 mA, 4 to 20 mA	0.35 %; +/-20 mA, 0 to 20 mA, 4 to 20 mA
● Resistance, relative to input range, (+/-)		1 %	1.25 %; 0 to 500 ohms (4-conductor measurement, in range of 600 ohms)	0.5 %
● Resistance thermometer, relative to input range, (+/-)				0.5 %
Basic error limit (operational limit at 25 °C)
● Voltage, relative to input range, (+/-)	0.25 %; 0.5% at 1 to 5 V; 0.25% at +/-1 V, +/-10 V	0.6 %; 0.6% at +/-1 V; 0.75% at +/-10 V, 1 to 5 V	0.7 %; 0.7% at +/-1 V; 0.4% at +/-10 V; 0.5% at 1 to 5 V	0.15 %; +/-0.15% (+/-250 mV, +/-500 mV, +/-1 V, +/-2.5 V, +/-5 V, 1 to 5 V, +/- 10 V); +/-0.17% (+/- 80 mV);
● Current, relative to input range, (+/-)	0.25 %; at +/-20 mA, 4 to 20 mA	0.7 %; at +/-20 mA, 4 to 20 mA	0.7 %; at +/-20 mA, 4 to 20 mA	0.15 %; +/-20 mA, 0 to 20 mA, 4 to 20 mA
● Resistance, relative to input range, (+/-)		0.7 %; 0 to 600 ohms	0.8 %; 0 to 500 ohms (4-conductor measurement, in range of 600 ohms)	0.15 %; +/-0.15% at 0 to 48 ohms (4-conductor measurement), 0 to 150 ohms (4-conductor measurement), 0 to 300 ohms (4-conductor measurement), 0 to 600 ohms (4-conductor measurement), 0 to 5000 ohms (4-conductor measurement, in range of 6000 ohms); +/-0.3% at 0 to 300 ohms (3-conductor measurement), 0 to 600 ohms (3-conductor measurement), 0 to 5000 ohms (3-conductor measurement, in range of 6000 ohms)
● Resistance thermometer, relative to input range, (+/-)				0.3 %
Potential separation
Potential separation analog inputs
● Potential separation analog inputs	No	Yes; internal/external	Yes; internal/external	Yes; internal/external
● between the channels	No	No	No	No
Isolation
Isolation tested with	500 V AC/707 V DC, type test	2 120 V DC between bus and analog section; 500 V DC between bus and local ground; 500 V DC between analog part and L+/M; 2 120 V DC between analog part and local ground; 2 120 V DC between L+/M and local ground	2120 V DC between bus and analog part; 500 V DC between bus and local ground; 2120 V DC between analog part and local ground	2 120 V DC between bus and L+/M; 2 120 V DC between bus and analog section; 500 V DC between bus and local ground; 500 V DC between analog section and L+/M; 2 120 V DC between analog section and local ground; 2 120 V DC between L+/M and local ground
Dimensions
Width	25 mm	25 mm	25 mm	25 mm
Height	290 mm	290 mm	290 mm	290 mm
Depth	210 mm	210 mm	210 mm	210 mm
Weights
Weight, approx.	500 g	500 g	500 g	500 g

Order number	6ES7431-7QH00-0AB0	6ES7431-7KF00-0AB0	6ES7431-7KF10-0AB0
	SIMATIC S7-400, SM 431	SM 431, 8AI, U/I/THERMO, 16BIT	SM 431, 8AI, RESIST./PT100, 16BIT,
Supply voltage
Load voltage L+
● Rated value (DC)	24 V; Only required for supplying 2-wire transmitters
● Reverse polarity protection	Yes
Input current
from load voltage L+ (without load), max.	400 mA; for 16 connected, fully controlled 2-wire transmitters
from backplane bus 5 V DC, max.	700 mA	1 200 mA	650 mA
Power loss
Power loss, typ.	4.5 W	4.6 W	3.3 W
Analog inputs
Number of analog inputs	16	8	8
● For voltage/current measurement	16	8
● For resistance measurement	8		8
permissible input voltage for voltage input (destruction limit), max.	18 V; 18 V continuous, 75 V for 1 ms (mark to space ratio 1:20)	35 V; 35 V continuous, 75 V for max. 1 s (mark to space ratio 1:20)	35 V; 35 V continuous, 75 V for max. 1 s (mark to space ratio 1:20)
permissible input current for current input (destruction limit), max.	40 mA	32 mA
Input ranges (rated values), voltages
● 1 V to 5 V	Yes	Yes
● -1 V to +1 V	Yes	Yes
● -10 V to +10 V	Yes	Yes
● -100 mV to +100 mV		Yes
● -2.5 V to +2.5 V	Yes	Yes
● -20 mV to +20 mV		Yes
● -25 mV to +25 mV	Yes
● -250 mV to +250 mV	Yes	Yes
● -5 V to +5 V	Yes	Yes
● -50 mV to +50 mV	Yes	Yes
● -500 mV to +500 mV	Yes	Yes
● -80 mV to +80 mV	Yes	Yes
Input ranges (rated values), currents
● 0 to 20 mA	Yes	Yes
● -10 mA to +10 mA	Yes	Yes
● -20 mA to +20 mA	Yes	Yes
● -3.2 mA to +3.2 mA		Yes
● 4 mA to 20 mA	Yes	Yes
● -5 mA to +5 mA	Yes	Yes
Input ranges (rated values), thermocouples
● Type B	Yes	Yes
● Type E	Yes	Yes
● Type J	Yes	Yes
● Type K	Yes	Yes
● Type L	Yes	Yes
● Type N	Yes	Yes
● Type R	Yes	Yes
● Type S	Yes	Yes
● Type T	Yes	Yes
● Type U	Yes	Yes
Input ranges (rated values), resistance thermometer
● Ni 100	Yes		Yes
● Ni 1000	Yes		Yes; Different characteristics selectable: Europe/U.S.
● Pt 100	Yes		Yes
● Pt 1000	Yes		Yes
● Pt 200	Yes		Yes
● Pt 500	Yes		Yes
Input ranges (rated values), resistors
● 0 to 48 ohms	Yes
● 0 to 150 ohms	Yes
● 0 to 300 ohms	Yes
● 0 to 600 ohms	Yes
● 0 to 6000 ohms	Yes; Usable up to 5000 Ohm
Thermocouple (TC)
Temperature compensation
— internal temperature compensation		Yes
— external temperature compensation with compensations socket	Yes	Yes
— external temperature compensation with Pt100	Yes
— dynamic reference temperature value	Yes	Yes
Characteristic linearization
● parameterizable	Yes	Yes	Yes
— for thermocouples	Type B, E, J, K, L, N, R, S, T, U	Type B, E, J, K, L, N, R, S, T, U
— for resistance thermometer	Pt100, Pt200, Pt500, Pt1000, Ni100, Ni1000		Pt100, Pt200, Pt500, Pt1000, Ni100, Ni1000; different characteristics selectable (Europe/U.S.)
Cable length
● shielded, max.	200 m; 50 m with thermocouples and input ranges <= 80 mV	200 m	200 m; 50 m with thermocouples and input ranges +/-80 mV
Analog value generation for the inputs
Integration and conversion time/resolution per channel
● Resolution with overrange (bit including sign), max.	16 bit; 16 / 16 / 16	16 bit	16 bit
● Integration time, parameterizable	Yes	Yes	Yes
● Basic conversion time (ms)	6 / 20,1 / 23,5 ms	10 / 16,7 / 20 / 100	8 / 23 / 25 ms
● Integration time (ms)	2,5 / 16,7 / 20 ms	2,5 / 16,7 / 20 / 100	20 ms at 50 Hz (entire module incl. wire break)
● Basic conversion time, including integration time (ms)
— additional conversion time for wire-break monitoring	4.3 / 4.3 / 4.3 ms		110 ms / 4 ms
— additional conversion time for resistance measurement	12 / 40,2 / 47 ms
— additional conversion time for wire-break monitoring and resistance measurement	5,5 ms	1 ms (module)	none
● Interference voltage suppression for interference frequency f1 in Hz	400 / 60 / 50 Hz	400 / 60 / 50 / 10 Hz	none/ 60 / 50 Hz
Encoder
Connection of signal encoders
● for voltage measurement	Yes; possible	Yes; possible
● for current measurement as 2-wire transducer	Yes
● for current measurement as 4-wire transducer	Yes	Yes
● for resistance measurement with two-wire connection	Yes; Line resistances are also measured
● for resistance measurement with three-wire connection	Yes		Yes
● for resistance measurement with four-wire connection	Yes	Yes	Yes
Errors/accuracies
Operational error limit in overall temperature range
● Voltage, relative to input range, (+/-)	0.3 %; +/-0.3% at +/-250 mV, +/-500 mV, +/-1 V, +/-2.5 V, +/-5 V, 1 to 5 V, +/- 10 V; +/-0.31% at +/-80 mV; +/-0.32% at +/-50 mV; +/-0.35% at +/-25 mV;	0.3 %
● Current, relative to input range, (+/-)	0.3 %; at 0 to 20 mA, +/-5 mA, +/-10 mA, +/- 20 mA, 4 to 20 mA	0.5 %
● Resistance, relative to input range, (+/-)	0.3 %; +/-0.3% at 0 to 48 Ohm (4-conductor measurement), 0 to 150 Ohm (4-conductor measurement), 0 to 300 Ohm (4-conductor measurement), 0 to 600 Ohm (4-conductor measurement), 0 to 5000 Ohm (4-conductor measurement, in range of 6000 Ohm); +/-0.4% at 0 to 300 Ohm (3-conductor measurement), 0 to 600 Ohm (3-conductor measurement), 0 to 5000 Ohm (3-conductor measurement, in range of 6000 Ohm);
● Resistance thermometer, relative to input range, (+/-)	0.4 %		+/-1 °C
Basic error limit (operational limit at 25 °C)
● Voltage, relative to input range, (+/-)	0.15 %; ±0.15% at ±250 mV, ±500 mV, ±1 V, ±2.5 V, ±5 V, 1 V to 5 V, ±10 V; ±0.17% at ±80 mV; ±0.19% at ±50 mV; ±0.23% at ±25 mV	0.1 %
● Current, relative to input range, (+/-)	0.15 %; at 0 to 20 mA, +/-5 mA, +/-10 mA, +/- 20 mA, 4 to 20 mA	0.17 %
● Resistance, relative to input range, (+/-)	0.15 %; +/-0.15% at 0 to 48 ohms (4-conductor measurement), 0 to 150 ohms (4-conductor measurement), 0 to 300 ohms (4-conductor measurement), 0 to 5000 ohms (4-conductor measurement, in range of 6000 ohms); +/-0.3% at 0 to 300 ohms (3-conductor measurement), 0 to 600 ohms (3-conductor measurement), 0 to 5000 ohms (3-conductor measurement, in range of 6000 ohms)
● Resistance thermometer, relative to input range, (+/-)	0.3 %		+/-0,2 °C
Interrupts/diagnostics/status information
Diagnostics	Yes; Parameterizable	Yes	Yes
Alarms
● Diagnostic alarm	Yes; Parameterizable	Yes; Parameterizable	Yes; Parameterizable
● Limit value alarm	Yes; Parameterizable	Yes	Yes
Potential separation
Potential separation analog inputs
● Potential separation analog inputs	Yes; internal/external	Yes; internal/external	Yes; internal/external
● between the channels	No	Yes	No
Isolation
Isolation tested with	2 120 V DC between bus and L+/M; 2 120 V DC between bus and analog section; 500 V DC between bus and local ground; 500 V DC between analog section and L+/M; 2 120 V DC between analog section and local ground; 2 120 V DC between L+/M and local ground	1500 V DC	1500 V DC
Dimensions
Width	25 mm	25 mm	25 mm
Height	290 mm	290 mm	290 mm
Depth	210 mm	210 mm	210 mm
Weights
Weight, approx.	500 g	650 g	650 g

Дальнейшая информация

Brochures

Information material for downloading can be found in the Internet:

http://www.automation.siemens.com/infocenter