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SIMATIC S7-300, SM 321, МОДУЛЬ ВВОДА ДИСКРЕТНЫХ СИГНАЛОВ: ОПТОЭЛЕКТРОННОЕ РАЗДЕЛЕНИЕ ВНЕШНИХ И ВНУТРЕННИХ ЦЕПЕЙ, 16 ВХОДОВ =24В, ФОРМИРОВАНИЕ СИГНАЛОВ ПРЕРЫВАНИЙ, ДИАГНОСТИКА. 20-ПОЛЮСНЫЙ ФРОНТАЛЬНЫЙ СОЕДИНИТЕЛЬ ЗАКАЗЫВАЕТСЯ ОТДЕЛЬНО
6ES7321-7BH01-0AB0, 6ES7321 7BH01 0AB0
| Alarms |
| Hardware interrupt |
Yes; Parameterizable |
| Alarms |
| Diagnostic alarm |
Yes; Parameterizable |
| Cable length |
| shielded, max |
1000m |
| unshielded, max |
600m |
| Connectable encoders |
| permissible quiescent current (2-wire sensor), max |
2mA |
| Connectable encoders |
| 2-wire sensor |
Yes |
| connection method / header |
| required front connector |
20-pin |
| Diagnoses |
| Wire-break |
Yes; to I< 1 mA |
| Diagnoses |
| Diagnostic information readable |
Yes |
| Diagnostics indication LED |
| Encoder supply Vs (green) |
Yes |
| Group error SF (red) |
Yes |
| Status indicator digital input (green) |
Yes |
| Digital inputs |
| Number of digital inputs |
16 |
| Dimensions |
| Depth |
120mm |
| Height |
125mm |
| Width |
40mm |
| Encoder connection |
| Fixed current limitation for wire-break monitoring, max |
18kΩ |
| Fixed current limitation for wire-break monitoring, min |
10kΩ |
| Encoder supply |
| additional (redundant) feed |
Yes |
| Type of output voltage |
L+ (-2.5 V) |
| Encoder supply |
| Number of outputs |
2 |
| Short-circuit protection |
Yes; Electronic |
| for signal "0", max. (permissible quiescent current) |
| for signal "1", typ |
7mA |
| for standard inputs |
| parameterizable |
Yes; 0.1 / 0.5 / 3 / 15 / 20 ms |
| horizontal installation |
| up to 40 C, max |
16 |
| up to 60 C, max |
16 |
| Input characteristic curve in accordance with IEC 61131, type 1 |
| Input characteristic curve in accordance with IEC 61131, type 2 |
Yes |
| Input current |
| from load voltage L+ (without load), max |
90mA |
| Input current |
| from backplane bus 5 V DC, max |
130mA |
| Input voltage |
| Type of input voltage |
DC |
| Input voltage |
| Rated value (DC) |
24V |
| Interrupts/diagnostics/status information |
| Alarms |
Yes |
| Diagnostics function |
Yes; Parameterizable |
| Isolation |
| Isolation tested with |
500 V DC |
| Load voltage L+ |
| Reverse polarity protection |
Yes |
| Load voltage L+ |
| permissible range, lower limit (DC) |
20.4V |
| permissible range, upper limit (DC) |
28.8V |
| Rated value (DC) |
24V |
| Output current |
| permissible range, lower limit |
0mA |
| permissible range, upper limit |
150mA |
| Rated value |
120mA |
| Potential separation digital inputs |
| between the channels |
No |
| Potential separation digital inputs |
| between the channels and backplane bus |
Yes; Optocoupler |
| Potential separation digital inputs |
| between the channels, in groups of |
16 |
| Power loss |
| Power loss, typ |
4W |
| Rated value (AC) |
| for signal "0" |
-30 to +5 V |
| for signal "1" |
13 to 30V |
| vertical installation |
| up to 40 C, max |
16 |
| Weights |
| Weight, approx |
200g |
