Technical Specifications; Technical Specifications Of The Cm 1243-5 - Siemens SIMATIC NET S7-1200 Operating Instructions Manual

Technical specifications

6.1

Technical specifications of the CM 1243-5

Table 6- 1 Technical specifications of the CM 1243-5
Technical specifications
Article number
Interfaces
Connection to PROFIBUS
Maximum current consumption on the PROFIBUS interface
when connecting network components (for example optical
network components)
Permitted ambient conditions
Ambient temperature
• During storage
• During transportation
• During operation with the rack installed horizontally
• During operation with the rack installed vertically
Relative humidity at 25 °C during operation, without
condensation, maximum
Degree of protection
Power supply, current consumption and power loss
Type of power supply
Power supply / external
• minimum
• maximum
Current consumption (typical)
• from 24 V DC
• from the S7-1200 backplane bus
Effective power loss (typical)
• from 24 V DC
• from the S7-1200 backplane bus
Power supply 24 VDC / external
• Min. cable cross section
• Max. cable cross section
• Tightening torque of the screw terminals
SIMATIC CM 1243-5
Operating Instructions, 01/2023, C79000-G8976-C246-06
6GK7 243-5DX30-0XE0
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 ℃ to +55 ℃
• 0 °C to 45 °C
95%
IP20
DC
24 V
• 19.2 V
• 28.8 V
• 100 mA
• 0 mA
• 2.4 W
• 0 W
• min.: 0.14 mm (AWG 25)
2
• max.: 1.5 mm (AWG 15)
2
• 0.45 Nm (4 lb-in)
6
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