6ES7338-4BC00-0AB0 SM 338, FOR 3 SSI SENSORS

Product Code: 6ES7338-4BC00-0AB0

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6ES7338-4BC00-0AB0

		SIMATIC S7-300, SIGNAL. MODULE FOR 3 SSI SENSORS FOR READ-IN OF POSITIONING VALUE WITH 2 FREEZE INPUTS, 20 PIN
Supply voltage
Load voltage L+
● Rated value (DC)		24 V
● permissible range, lower limit (DC)		20.4 V
● permissible range, upper limit (DC)		28.2 V
Input current
from load voltage L+ (without load), max.		10 mA
from backplane bus 5 V DC, max.		160 mA
Encoder supply
24 V encoder supply
● 24 V		Yes; L+ (-0.8 V)
● Output current, max.		900 mA
Power losses
Power loss, typ.		3 W
Digital inputs
Number of digital inputs		2
Functions		Freeze
Input voltage
● for signal "0"		-3 to +5V
● for signal "1"		11 to 30.2 V
Input current
● for signal "0", max. (permissible quiescent current)		2 mA
● for signal "1", typ.		9 mA
Input delay (for rated value of input voltage)
for standard inputs
— at "0" to "1", min.		300 µs
Cable length
● Cable length, shielded, max.		600 m
Encoder
Number of connectable encoders, max.		3
Connectable encoders
● Absolute encoder (SSI)		Yes
● 2-wire sensor		Yes
Encoder signals, absolute encoder (SSI)
● Clock frequency, max.		1 MHz
● Cable length, shielded, max.		320 m; 320 m at 125 kHz; 160 m at 250 kHz; 60 m at 500 kHz; 20 m at 1 MHz
Interrupts/diagnostics/status information
Alarms
● Diagnostic alarm		Yes; Parameterizable
Galvanic isolation
Galvanic isolation		No
Connection method
required front connector		20-pin
Dimensions
Width		40 mm
Height		125 mm
Depth		120 mm
Weights
Weight, approx.		235 g
last modified:		17.09.2014