| Article number | 6ES7326-2BF10-0AB0 | 6ES7326-2BF41-0AB0 |
| SM326, F-DO10XDC24V/2A PP, failsafe | SM 326, F-DO 8 X DC 24V/2A PM |
| Supply voltage |
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| Rated value (DC) | 24 V; 1L+ | 24 V; 1L+ |
| Reverse polarity protection | Yes | Yes |
| Load voltage L+ |
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● Rated value (DC) | 24 V; 2L+, 3L+ | 24 V; 2L+, 3L+ |
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● Reverse polarity protection | No | No |
| Input current |
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| from supply voltage 1L+, max. | 100 mA | 75 mA |
| from load voltage 2L+ (without load), max. | 100 mA | 100 mA |
| from load voltage 3L+ (without load), max. | 100 mA | 100 mA |
| from backplane bus 5 V DC, max. | 100 mA | 100 mA |
| Power loss |
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| Power loss, typ. | 6 W | 12 W |
| Digital outputs |
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| Number of digital outputs | 10 | 8 |
| Short-circuit protection | Yes | Yes |
| Limitation of inductive shutdown voltage to |
| L+ (-33 V) |
| Switching capacity of the outputs |
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● on lamp load, max. | 5 W | 5 W |
| Output voltage |
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● for signal “1”, min. | L+ (-1.0 V) | L+ (-1.0 V) |
| Output current |
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● for signal “1” rated value | 2 A | 2 A |
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● for signal “1” permissible range for 0 to 40 °C, min. | 7 mA | 7 mA |
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● for signal “1” permissible range for 0 to 40 °C, max. | 2.4 A | 2 A; 2 A for horizontal installation, 1 A for vertical installation |
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● for signal “1” permissible range for 40 to 60 °C, min. | 7 mA | 7 mA |
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● for signal “1” permissible range for 40 to 60 °C, max. | 2.4 A | 1 A; for horizontal installation |
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● for signal “0” residual current, max. | 0.5 mA | 0.5 mA |
| Switching frequency |
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● with resistive load, max. | 25 Hz | 30 Hz |
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● with inductive load, max. | 25 Hz | 2 Hz |
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● on lamp load, max. | 10 Hz | 10 Hz |
| Total current of the outputs (per group) |
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| horizontal installation |
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— up to 40 °C, max. | 10 A | 7.5 A |
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— up to 60 °C, max. | 6 A | 5 A |
| vertical installation |
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— up to 40 °C, max. | 5 A | 5 A |
| Cable length |
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● shielded, max. | 1 000 m | 200 m; 200 m for SIL 3, AK 6, Cat 4 |
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● unshielded, max. | 600 m | 200 m |
| Interrupts/diagnostics/status information |
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| Alarms |
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● Diagnostic alarm | Yes | Yes; Parameterizable |
| Diagnoses |
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● Diagnostic information readable | Yes | Yes |
| Diagnostics indication LED |
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● Fail-safe operation | Yes | Yes |
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● Group error SF (red) | Yes | Yes |
| Potential separation |
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| Potential separation digital outputs |
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● between the channels | Yes | Yes |
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● between the channels, in groups of | 5 | 4 |
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● between the channels and backplane bus | Yes | Yes |
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● between the channels and the power supply of the electronics | Yes | Yes |
| Isolation |
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| Isolation tested with | 370V for 1 min | 500 V DC/350 V AC |
| Standards, approvals, certificates |
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| Highest safety class achievable in safety mode |
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● acc. to DIN VDE 0801 | AK 5 and 6 |
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● acc. to EN 954 | Cat. 4 | Cat. 4 |
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● Performance level according to ISO 13849-1 | e | e |
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● SIL acc. to IEC 61508 | SIL 3 | SIL 3 |
| Connection method |
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| required front connector | 40-pin | 40-pin |
| Dimensions |
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| Width | 40 mm | 80 mm |
| Height | 125 mm | 125 mm |
| Depth | 120 mm | 120 mm |
| Weights |
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| Weight, approx. | 330 g | 465 g |
