Siemens SIMATIC S7-1200 CP 1243-8 IRC - Technical data; 7.1 Technical specifications of the CP

CP 1243-8 IRC
Operating Instructions, 02/2018, C79000-G8976-C385-03
183
Technical data
7
7.1
Technical specifications of the CP
Table 7- 1 Technical specifications of the CP 1243-8 IRC
Technical specifications
Article number
6GK7 243-8RX30-0XE0
Attachment to Industrial Ethernet
Quantity 1
Design RJ-45 jack
Properties 100BASE-TX, IEEE 802.3-2005, half duplex/full duplex, autocrossover, autonego-
tiation, galvanically isolated
Transmission speed
10/100 Mbps
Permitted cable lengths (Ethernet)
(Alternative combinations per length range) *
0 ... 55 m
• Max. 55 m IE TP Torsion Cable with IE FC RJ45 Plug 180
• Max. 45 m IE TP Torsion Cable with IE FC RJ45 + 10 m TP Cord via
IE FC RJ45 Outlet
0 ... 85 m
• Max. 85 m IE FC TP Marine/Trailing/Flexible/FRNC/Festoon/Food Cable with
IE FC RJ45 Plug 180
• Max. 75 m IE FC TP Marine/Trailing/Flexible/FRNC/Festoon/Food Cable +
10 m TP Cord via IE FC RJ45 Outlet
0 ... 100 m
• Max. 100 m IE FC TP Standard Cable with IE FC RJ45 Plug 180
• Max. 90 m IE FC TP Standard Cable + 10 m TP Cord via IE FC RJ45 Outlet
Electrical data
External power supply
Power supply
24 VDC
Permitted range
19.2 ... 28.8 V
Design
Terminal block with plug, 3 terminals
Cable cross-section
• Minimum
• Maximum
• 0.14 mm
2
(25 AWG)
• 1.5 mm
2
(15 AWG)
Max- tightening torque of the screw
terminals
0.45 Nm (4 lb-in)
Electrical isolation:
Power supply unit to internal circuit
710 VDC for 1 minute
Current consumption (typical)
From 24 VDC (external)
100 mA
From the S7-1200 backplane bus
250 mA
Effective power loss (typical)
From 24 VDC (external)
2.4 W
From the S7-1200 backplane bus
1.25 W