Communication Interfaces; Profibus - Siemens SIMATIC S7 System Manual
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Also See for SIMATIC S7:
- System manual (866 pages) ,
- Functional safety manual (212 pages) ,
- User manual (134 pages)
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A.10
Communication interfaces
A.10.1
PROFIBUS
Note
S7-1200 PROFIBUS CMs and the GPRS CP are not approved for Maritime applications
The following modules do not have Maritime approval:
CM 1242-5 PROFIBUS Slave module
CM 1243-5 PROFIBUS Master module
CP 1242-7 GPRS module
Note
To use these modules, your CPU firmware must be V2.0 or higher.
A.10.1.1
CM 1242-5
Table A- 148 Technical specifications of the CM 1242-5
Technical specifications
Order number
Interfaces
Connection to PROFIBUS
Maximum current consumption on the PROFIBUS interface
when network components are connected (for example
optical network components)
Permitted ambient conditions
Ambient temperature
during storage
during transportation
during operation with a vertical installation (DIN rail
horizontal)
during operation with a horizontal installation (DIN rail
vertical)
Relative humidity at 25 °C during operation, without
condensation, maximum
Degree of protection
Power supply, current consumption and power loss
S7-1200 Programmable controller
System Manual, 11/2011, A5E02486680-05
6GK7 242-5DX30-0XE0
9-pin D-sub female connector
15 mA at 5 V (only for bus termination) *
-40 °C to 70 °C
-40 °C to 70 °C
0 °C to 55 °C
0 °C to 45 °C
95 %
IP20
553BTechnical specifications
A.10 Communication interfaces
)
743
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