| 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 |
