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(SIEMENS)自動化科技有限公司（西門子分銷商）
自動化科技有限公司
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SIMATIC S7-1200, Digital output SM 1222, 8 DO, 24 V DC, transistor 0.5 A | |
| General inbation | ||
| Product type designation | SM 1222, DQ 8x24 V DC/0.5 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 | |
| Power loss | ||
| Power loss, typ. | 1.5 W | |
| Digital outputs | ||
| Number of digital outputs | 8 | |
| ● in groups of | 1 | |
| Short-circuit protection | No; to be provided externally | |
| Limitation of inductive shutdown voltage to | typ. (L+) -48 V | |
| Switching capacity of the outputs | ||
| ● with resistive load, max. | 0.5 A | |
| ● on lamp load, max. | 5 W | |
| Output voltage | ||
| ● Rated value (DC) | 24 V | |
| ● for signal "0", max. | 0.1 V; with 10 kOhm load | |
| ● for signal "1", min. | 20 V DC | |
| Output current | ||
| ● for signal "1" rated value | 0.5 A | |
| ● for signal "0" residual current, max. | 10 μA | |
| Output delay with resistive load | ||
| ● "0" to "1", max. | 50 μs | |
| ● "1" to "0", max. | 200 μs | |
| Total current of the outputs (per group) | ||
| horizontal installation | ||
| — up to 50 °C, max. | 4 A; Current per mass | |
| Relay outputs | ||
| Switching capacity of contacts | ||
| — with inductive load, max. | 0.5 A | |
| — on lamp load, max. | 5 W | |
| — with resistive load, max. | 0.5 A | |
| Cable length | ||
| ● shielded, max. | 500 m | |
| ● unshielded, max. | 150 m | |
| Interrupts/diagnostics/status inbation | ||
| Alarms | ||
| ● Diagnostic alarm | Yes | |
| Diagnostics indication LED | ||
| ● for status of the outputs | Yes | |
| Potential separation | ||
| Potential separation digital outputs | ||
| ● between the channels, in groups of | 1 | |
| ● between the channels and backplane bus | 500 V AC | |
| Degree and class of protection | ||
| Degree of protection acc. to EN 60529 | ||
| ● 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 | ||
| ● Fall height, max. | 0.3 m; five times, in product package | |
| Ambient temperature during operation | ||
| ● min. | -20 °C | |
| ● max. | 60 °C | |
| ● horizontal installation, min. | -20 °C | |
| ● horizontal installation, max. | 60 °C | |
| ● vertical installation, min. | -20 °C | |
| ● vertical installation, max. | 50 °C | |
| ● permissible temperature change | 5°C to 55°C, 3°C / minute | |
| Ambient temperature during storage/transportation | ||
| ● min. | -40 °C | |
| ● max. | 70 °C | |
| Air pressure acc. to IEC 60068-2-13 | ||
| ● Storage/transport, min. | 660 hPa | |
| ● Storage/transport, max. | 1 080 hPa | |
| Relative humidity | ||
| ● Operation at 25 ℃ without condensation, max. | 95 % | |
| Connection b | ||
| required front connector | Yes | |
| Mechanics/material | ||
| Enclosure material (front) | ||
| ● Plastic | Yes | |
| Dimensions | ||
| Width | 45 mm | |
| Height | 100 mm | |
| Depth | 75 mm | |
| Weights | ||
| Weight, approx. | 180 g | |
| last modified: | 10/31/2018 | |
