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SIMATIC S7, DIGITAOUTPUTL SM 322, OPTICALLY ISOLATED, 4 DO, 15V / 20MA, 1 X 20 PIN, FOR SIGNALS FROM HAZARDOUSAREAS CAPABLE OF DIAGNOST.,PTB-TESTED |
| Supply voltage |
| Load voltage L+ |
| ● Rated value (DC) |
24 V |
| Input current |
| from load voltage L+ (without load), max. |
160 mA |
| from backplane bus 5 V DC, max. |
70 mA |
| Power losses |
| Power loss, typ. |
3 W |
| Digital outputs |
| Number of digital outputs |
4 |
| short-circuit protection |
Yes; Electronic |
| ● Response threshold, typ. |
Output current with short-circuit protection, min. 20.5 mA + 10 % |
| Load resistance range |
| ● upper limit |
200 Ω; Two-wire connection |
| Output voltage |
| ● Rated value (DC) |
15 V |
| Output current |
| ● for signal "1" permissible range for 0 to 60 °C, max. |
20 mA; +/-10 % |
| Switching frequency |
| ● with resistive load, max. |
100 Hz |
| Cable length |
| ● Cable length unshielded, max. |
200 m |
| Interrupts/diagnostics/status information |
| Diagnostic messages |
| ● Diagnostic functions |
Yes |
| ● Diagnostic information readable |
Yes |
| ● Short circuit |
Yes |
| ● Group error |
Yes |
| Diagnostics indication LED |
| ● Short circuit per channel (red) |
Yes |
| ● Short-circuit group error (red) |
Yes |
| ● Status indicator digital output (green) |
Yes |
| Ex(i) characteristics |
| Module for Ex(i) protection |
Yes |
| Max. values of output circuits (per channel) |
| ● Co (permissible external capacity), max. |
500 nF |
| ● Io (short-circuit current), max. |
85 mA |
| ● Lo (permissible external inductivity), max. |
5 mH |
| ● Po (power of load), max. |
335 mW |
| ● Uo (output no-load voltage), max. |
15.75 V |
| Galvanic isolation |
| Galvanic isolation digital outputs |
| ● Galvanic isolation digital outputs |
Yes |
| ● between the channels, in groups of |
1 |
| Standards, approvals, certificates |
| Use in hazardous areas |
| ● Type of protection acc. to EN 50020 (CENELEC) |
[EEx ib] IIC |
| ● Type of protection acc. to FM |
AIS CL.1, DIV 1, GP A, B, C, D; CL.I, DIV 2, GP A, B, C, D T4 |
| ● Test number PTB |
Ex-96.D.2102X |
| Ambient conditions |
| Operating temperature |
| ● max. |
60 °C |
| Connection method |
| required front connector |
20-pin |
| Weights |
| Weight, approx. |
230 g |
| last modified: |
08.09.2014 |
