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| Article number | 6ES7326-1RF01-0AB0 | 6ES7326-1BK02-0AB0 |
| SM326, 8DE, DC24V, failsafe | SM326, F-DI 24 X DC24V, failsafe | |
| Supply voltage | ||
| Rated value (DC) | 24 V | |
| Reverse polarity protection | Yes | Yes |
| Input current | ||
| from load voltage L+ (without load), max. | 160 mA | 450 mA |
| from backplane bus 5 V DC, max. | 90 mA | 100 mA |
| Encoder supply | ||
| Number of outputs | 8 | 4; Isolated |
| Type of output voltage | 8.2 V DC | |
| Output current | ||
|
● Rated value
|
400 mA | |
| Power loss | ||
| Power loss, typ. | 4.5 W | 10 W |
| Digital inputs | ||
| Number of digital inputs | 8 | 24 |
| Number of simultaneously controllable inputs | ||
| all mounting positions | ||
|
— up to 40 °C, max.
|
8 | 24 |
|
— up to 60 °C, max.
|
8 | 24; (at 24 V) or 18 (at 28.8 V) |
| Input voltage | ||
|
● Type of input voltage
|
DC | DC |
|
● Rated value (DC)
|
24 V | |
|
● for signal “0”
|
-30 to +5 V | |
|
● for signal “1”
|
+11 to +30V | |
| Input current | ||
|
● for signal “0”, max. (permissible quiescent current)
|
0.35 to 1.2 mA | 2 mA |
|
● for signal “1”, typ.
|
2.1 to 7 mA | 10 mA |
| Input delay (for rated value of input voltage) | ||
| for standard inputs | ||
|
— at “0” to “1”, max.
|
3.4 ms | |
|
— at “1” to “0”, max.
|
3.4 ms | |
| for NAMUR inputs | ||
|
— at “0” to “1”, max.
|
1.2 to 3 ms | |
|
— at “1” to “0”, max.
|
1.2 to 3 ms | |
| Cable length | ||
|
● shielded, max.
|
200 m | 200 m |
|
● unshielded, max.
|
100 m | 100 m |
| Encoder | ||
| Connectable encoders | ||
|
● 2-wire sensor
|
Yes; if short-circuit test is deactivated | |
|
— permissible quiescent current (2-wire sensor), max.
|
2 mA | |
| Interrupts/diagnostics/status information | ||
| Diagnostics function | Yes | |
| Alarms | ||
|
● Diagnostic alarm
|
Yes; Parameterizable | Yes |
| Diagnoses | ||
|
● Diagnostic information readable
|
Yes | |
| Diagnostics indication LED | ||
|
● Fail-safe operation
|
Yes | Yes |
|
● Group error SF (red)
|
Yes | Yes |
| Ex(i) characteristics | ||
| Module for Ex(i) protection | Yes | |
| Maximum values of input circuits (per channel) | ||
|
● Co (permissible external capacity), max.
|
3 µF | |
|
● Io (short-circuit current), max.
|
13.9 mA | |
|
● Lo (permissible external inductivity), max.
|
80 mH | |
|
● Po (power of load), max.
|
33.1 mW | |
|
● Uo (output no-load voltage), max.
|
10 V | |
|
● Um (fault voltage), max.
|
60 V DC/30 V AC | |
|
● Ta (permissible ambient temperature), max.
|
60 °C | 60 °C |
| Potential separation | ||
| Potential separation digital inputs | ||
|
● between the channels
|
Yes | Yes |
|
● between the channels, in groups of
|
12 | |
|
● between the channels and backplane bus
|
Yes | Yes |
|
● between the channels and the power supply of the electronics
|
Yes | |
| Isolation | ||
| Isolation tested with | 500 V DC/350 V AC | |
| Standards, approvals, certificates | ||
| Highest safety class achievable in safety mode | ||
|
● acc. to DIN VDE 0801
|
AK 6 | |
|
● acc. to EN 954
|
Cat. 4 | Cat. 4 |
|
● Performance level according to ISO 13849-1
|
PLe | e |
|
● SIL acc. to IEC 61508
|
SIL 2 (single-channel), SIL 3 (two-channel) | SIL 3 |
| Use in hazardous areas | ||
|
● Test number KEMA
|
99 ATEX 2671 X | |
| Connection method | ||
| required front connector | 1x 40-pin | 40-pin |
| Dimensions | ||
| Width | 80 mm | 80 mm |
| Height | 125 mm | 125 mm |
| Depth | 120 mm | 120 mm |
| Weights | ||
| Weight, approx. | 482 g | 442 g |
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