6ES7331-7PF00-0AB0 SIMATIC S7-300, ANALOG INPUT

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Product Code: 6ES7331-7PF00-0AB0

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6ES7331-7PF00-0AB0

		SIMATIC S7-300, ANALOG INPUT SM 331, OPT. ISOL.,2/3/4 WIRE, 8AI, RESISTANCE, PT100/200/1000 NI100/120/200/500/1000, CU10, 16 (INTERN 24) BIT, 50MS,40 PIN
Supply voltage
Load voltage L+
● Rated value (DC)		24 V
● Reverse polarity protection		Yes
Input current
from load voltage L+ (without load), max.		240 mA
from backplane bus 5 V DC, max.		100 mA
Power loss
Power loss, typ.		4.6 W
Analog inputs
Number of analog inputs		8
Number of analog inputs for resistance measurement		8
permissible input voltage for voltage input (destruction limit), max.		75 V; 35 V continuous, 75 V for max. 1 s (mark to space ratio 1:20)
Input ranges
● Resistance thermometer		Yes
● Resistance		Yes
Input ranges (rated values), resistance thermometers
● Cu 10		Yes
● Ni 100		Yes
● Ni 1000		Yes
● Ni 120		Yes
● Ni 200		Yes
● Ni 500		Yes
● Pt 100		Yes
● Pt 1000		Yes
● Pt 200		Yes
● Pt 500		Yes
Input ranges (rated values), resistors
● 0 to 150 Ohm		Yes
● 0 to 300 Ohm		Yes
● 0 to 600 Ohm		Yes
Characteristic linearization
● parameterizable		Yes
— for resistance thermometer		Pt100, Pt200, Pt500, Pt1000, Ni100, Ni120, Ni200, Ni500, Ni1000, Cu10; (standard/climate)
Cable length
● Cable length, shielded, max.		200 m
Analog value generation
Measurement principle		integrating
Integration and conversion time/resolution per channel
● Resolution with overrange (bit including sign), max.		16 bit; Two''s complement
● Integration time, parameterizable		Yes
● Basic conversion time, ms		up to 4 channels: 10 ms per module, over 5 channels: 190 ms per module, 8 channels: 80 ms
● Interference voltage suppression for interference frequency f1 in Hz		400 / 60 / 50 Hz
Encoder
Connection of signal encoders
● for resistance measurement with two-wire connection		Yes; without resistance correction
● for resistance measurement with three-wire connection		Yes
● for resistance measurement with four-wire connection		Yes
Errors/accuracies
Operational error limit in overall temperature range
● Resistance, relative to input area, (+/-)		0.1 %
● Resistance thermometer, relative to input area, (+/-)		+/- 1 K
Basic error limit (operational limit at 25 °C)
● Resistance, relative to input area, (+/-)		0.05 %
● Resistance thermometer, relative to input area, (+/-)		+/- 0,5 K
Isochronous mode
Isochronous mode (application synchronized up to terminal)		No
Interrupts/diagnostics/status information
Alarms
● Diagnostic alarm		Yes; Parameterizable per group
● Limit value alarm		Yes; Parameterizable
Diagnostic messages
● Diagnostic functions		Yes; Parameterizable
● Diagnostic information readable		Yes
● Diagnostics		Yes
Diagnostics indication LED
● Group error SF (red)		Yes
Galvanic isolation
Galvanic isolation analog inputs
● between the channels		Yes
● between the channels, in groups of		2
● between the channels and the backplane bus		Yes
Isolation
Isolation tested with		500 V DC
Connection method
required front connector		40-pin
Dimensions
Width		40 mm
Height		125 mm
Depth		120 mm
Weights
Weight, approx.		272 g
last modified:		21.08.2014