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SIMATIC S7-1200, Digital output SM 1222, 8 DO, relay 2 A | |
| General inbation | ||
| Product type designation | SM 1222, DQ 8x relay/2 A | |
| Supply voltage | ||
| permissible range, lower limit (DC) | 20.4 V | |
| permissible range, upper limit (DC) | 28.8 V | |
| Input current | ||
| from backplane bus 5 V DC, max. | 120 mA | |
| Digital outputs | ||
| 鈼� from load voltage L+, max. | 11 mA/relay coil | |
| Power loss | ||
| Power loss, typ. | 4.5 W | |
| Digital outputs | ||
| Number of digital outputs | 8 | |
| 鈼� in groups of | 2 | |
| Short-circuit protection | No; to be provided externally | |
| Switching capacity of the outputs | ||
| 鈼� with resistive load, max. | 2 A | |
| 鈼� on lamp load, max. | 30 W with DC, 200 W with AC | |
| Output voltage | ||
| 鈼� Rated value (DC) | 5 V DC to 30 V DC | |
| 鈼� Rated value (AC) | 5 V AC to 250 V AC | |
| Output current | ||
| 鈼� for signal "1" rated value | 2 A | |
| Output delay with resistive load | ||
| 鈼� "0" to "1", max. | 10 ms | |
| 鈼� "1" to "0", max. | 10 ms | |
| Total current of the outputs (per group) | ||
| horizontal installation | ||
| 鈥� up to 50 掳C, max. | 10 A; Current per mass | |
| Relay outputs | ||
| 鈼� Number of relay outputs | 8 | |
| 鈼� Rated supply voltage of relay coil L+ (DC) | 24 V | |
| 鈼� Number of operating cycles, max. | mechanically 10 million, at rated load voltage 100 000 | |
| Switching capacity of contacts | ||
| 鈥� with inductive load, max. | 2 A | |
| 鈥� on lamp load, max. | 30 W with DC, 200 W with AC | |
| 鈥� with resistive load, max. | 2 A | |
| Cable length | ||
| 鈼� shielded, max. | 500 m | |
| 鈼� unshielded, max. | 150 m | |
| Interrupts/diagnostics/status inbation | ||
| Alarms | ||
| 鈼� Diagnostic alarm | Yes | |
| Diagnostics indication LED | ||
| 鈼� for status of the outputs | Yes | |
| Potential separation | ||
| Potential separation digital outputs | ||
| 鈼� between the channels | Relays | |
| 鈼� between the channels, in groups of | 2 | |
| 鈼� between the channels and backplane bus | 1500 V AC for 1 minute | |
| Permissible potential difference | ||
| between different circuits | 750 V AC for 1 minute | |
| Degree and class of protection | ||
| Degree of protection acc. to EN 60529 | ||
| 鈼� IP20 | Yes | |
| Standards, approvals, certificates | ||
| CE mark | Yes | |
| CSA approval | Yes | |
| UL approval | Yes | |
| cULus | Yes | |
| FM approval | Yes | |
| RCM (berly C-TICK) | Yes | |
| Marine approval | Yes | |
| Ambient conditions | ||
| Free fall | ||
| 鈼� Fall height, max. | 0.3 m; five times, in product package | |
| Ambient temperature during operation | ||
| 鈼� min. | -20 掳C | |
| 鈼� max. | 60 掳C | |
| 鈼� horizontal installation, min. | -20 掳C | |
| 鈼� horizontal installation, max. | 60 掳C | |
| 鈼� vertical installation, min. | -20 掳C | |
| 鈼� vertical installation, max. | 50 掳C | |
| 鈼� permissible temperature change | 5掳C to 55掳C, 3掳C / minute | |
| Ambient temperature during storage/transportation | ||
| 鈼� min. | -40 掳C | |
| 鈼� max. | 70 掳C | |
| Air pressure acc. to IEC 60068-2-13 | ||
| 鈼� Storage/transport, min. | 660 hPa | |
| 鈼� Storage/transport, max. | 1 080 hPa | |
| Relative humidity | ||
| 鈼� Operation at 25 鈩� without condensation, max. | 95 % | |
| Connection b | ||
| required front connector | Yes | |
| Mechanics/material | ||
| Enclosure material (front) | ||
| 鈼� Plastic | Yes | |
| Dimensions | ||
| Width | 45 mm | |
| Height | 100 mm | |
| Depth | 75 mm | |
| Weights | ||
| Weight, approx. | 190 g | |
| last modified: | 10/31/2018 | |
