CP 1243-1
Operating Instructions, 12/2016, C79000-G8976-C365-02
101
Technical specifications of the CP 1243-1
Table 6- 1 Technical specifications of the CP 1243-1
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
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
From the S7-1200 backplane bus
Current consumption (typical)
From the S7-1200 backplane bus
Effective power loss (typical)
From the S7-1200 backplane bus
Permitted ambient conditions
Ambient temperature During operation with the rack in-
-20 °C to +70 °C
During operation with the rack in-
-20 °C to +60 °C
≤ 95 % at 25 °C, no condensation
Design, dimensions and weight
Compact module for S7-1200, single width