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Simatic S7, Digital Output SM326, F-DO10x 24VDC/2A p.pole, failsafe digital outputs f. Simatic S7F systems, w. Diagnost. interrupt, LW, up to cat.4(EN9S4-1)/ SIL3(IEC61508)/ PLE (IS013849), 40pin, Siemens

Supply voltage
Rated value (DC)		24 V; 1L+
Reverse polarity protection		Yes
Load voltage L+
● Rated value (DC)		24 V; 2L+, 3L+
● Reverse polarity protection		No
Input current
from supply voltage 1L+, max.		100 mA
from load voltage 2L+ (without load), max.		100 mA
from load voltage 3L+ (without load), max.		100 mA
from backplane bus 5 V DC, max.		100 mA
Power loss
Power loss, typ.		6 W
Digital outputs
Number of digital outputs		10
Short-circuit protection		Yes
Switching capacity of the outputs
● on lamp load, max.		5 W
Output voltage
● for signal "1", min.		L+ (-1.0 V)
Output current
● for signal "1" rated value		2 A
● for signal "1" permissible range for 0 to 40 °C, min.		7 mA
● for signal "1" permissible range for 0 to 40 °C, max.		2.4 A
● for signal "1" permissible range for 40 to 60 °C, min.		7 mA
● for signal "1" permissible range for 40 to 60 °C, max.		2.4 A
● for signal "0" residual current, max.		0.5 mA
Switching frequency
● with resistive load, max.		25 Hz
● with inductive load, max.		25 Hz
● on lamp load, max.		10 Hz
Total current of the outputs (per group)
horizontal installation
— up to 40 °C, max.		10 A
— up to 60 °C, max.		6 A
vertical installation
— up to 40 °C, max.		5 A
Cable length
● shielded, max.		1 000 m
● unshielded, max.		600 m
Interrupts/diagnostics/status information
Alarms
● Diagnostic alarm		Yes
Diagnostic messages
● Diagnostic information readable		Yes
Diagnostics indication LED
● Fail-safe operation		Yes
● Group error SF (red)		Yes
Potential separation
Potential separation digital outputs
● between the channels		Yes
● between the channels, in groups of		5
● between the channels and backplane bus		Yes
● between the channels and the power supply of the electronics		Yes
Isolation
Isolation tested with		370V for 1 min
Standards, approvals, certificates
Highest safety class achievable in safety mode
● acc. to DIN VDE 0801		AK 5 and 6
● acc. to EN 954		Cat. 4
● SIL acc. to IEC 61508		SIL 3
Connection method
required front connector		40-pin
Dimensions
Width		40 mm
Height		125 mm
Depth		120 mm
Weights
Weight		330 g
last modified:		11/21/2017