Siemens SIMATIC NET SCALANCE W748-1, Руководство по эксплуатации

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Technical specifications
9.2 SCALANCE W7x8-2
SCALANCE W788-x / W748-1
Operating Instructions, 03/2022, A5E03678333-17
69
Technical specifications
Properties Inputs isolated from electronics.
Permitted ambient conditions
Ambient temperature During operation -20 ℃ to +60 °C
During storage -40 °C to +70 °C
During transportation -40 °C to +70 °C
Relative humidity During operation ≤ 95% at 25 °C, no condensation
Operating altitude During operation ≤ 2,000 m above sea level at max. 60 °C
ambient temperature
Contaminant concentration According to IEC 60721
Degree of protection
IP code RJ-45 variants
M12 variants IP30
IP65
Dimensions and weight
Dimensions (W x H x D) RJ-45 variants
M12 variants 200 x 158 x 79 mm
200 x 175.2 x 79 mm
Weight 1.7 kg
Installation options
Direct Wall mounting
With additional holding plate Mast mounting
Mounting on a DIN rail
Mounting on an S7-300 standard rail
Mounting on an S7-1500 standard rail
Mean time between failure (MTBF)
At 40 °C ambient temperature 41 years
* ) The PoE class depends on the hardware version of the device. Devices with a
hardware version ≥ 3 have PoE class 3. Devices with a lower hardware version have PoE
class 4.
9.2 SCALANCE W7x8-2
The following technical specifications apply to the following devices:
•
SCALANCE W788-2 RJ45
• SCALANCE W788-2 M12
• SCALANCE W788-2 M12 EEC
Note
Bridging a power outage is possible only with an input voltage of 24 VDC (-15% to
+20%).