Siemens S7-1200 PROFIBUS - Technical Data; CM 1242-5 Technical Specifications and Ambient Conditions

SIMATIC CM 1242-5
Operating Instructions, 01/2023, C79000-G8976-C245-06
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Technical data
6
6.1 Technical specifications of the CM 1242-5
Table 6- 1 Technical specifications of the CM 1242-5
Technical specifications
Article number
6GK7 242-5DX30-0XE0
Interfaces
Connection to PROFIBUS
9-pin D-sub female connector
Maximum current consumption on the PROFIBUS interface
when connecting network components (for example optical
network components)
15 mA at 5 V (only for bus termination) *
)
Permitted ambient conditions
Ambient temperature
• During storage
• During transportation
• During operation with the rack installed horizontally
• During operation with the rack installed vertically
• -40 °C to 70 °C
• -40 °C to 70 °C
• 0 °C to 55 °C
• 0 °C to 45 °C
Relative humidity at 25 °C during operation, without
condensation, maximum
95 %
Degree of protection
IP20
Power supply, current consumption and power loss
Type of power supply
DC
Power supply from the backplane bus
5 V
Current consumption (typical)
150 mA
Effective power loss (typical)
0.75 W
Electrical isolation
• PROFIBUS interface to ground
• PROFIBUS interface to internal circuit
710 VDC for 1 minute
Dimensions and weights
• Width
• Height
• Depth
• 30 mm
• 100 mm
• 75 mm
Weight
• Net weight
• Weight including packaging
• 115 g
• 152 g
*
)
The current load of an external consumer connected between VP (pin 6) and DGND (pin 5) must not exceed a maximum
of 15 mA (short-circuit proof) for bus termination.