Accessories - WEG CFW-11 Series User Manual

Observe that the inverters with the external 24 Vdc power supply option use terminals XC1:11 and 13 as the
input for the external power supply and no longer as the output like in the standard inverter (figure 7.2).
In case of interruption of the external 24 Vdc power supply, the digital inputs/outputs and analog outputs will
no longer be fed, even if the mains power is on. Therefore, it is recommended to keep the 24 Vdc power supply
always connected to the terminals XC1:11 and 13.
The keypad displays warnings indicating the inverter status: whether the 24 Vdc power source is connected,
whether the mains power source is connected, etc.
Figure 7.2 - External 24 Vdc power supply capacity and connection terminals
NOTE!
A class 2 power supply must be used in order to comply with the UL508C standard.

7.2 ACCESSORIES

The accessories are installed in the inverter easily and quickly using the "Plug and Play" concept. Once the
accessory is inserted into the slot, the control circuitry identifies its model and displays the installed accessory
code in P0027 or P0028. The accessory must be installed with the inverter power supply off.
24 Vdc
±10 %
@1.5 A
Option Kits and Accessories
XC1 terminal strip
1 + REF
2 AI1+
3 AI1-
4 - REF
5 AI2+
6 AI2-
7 AO1
8 AGND (24 V)
9 AO2
10 AGND (24 V)
11 DGND *
12 COM
13 24 Vdc
14 COM
15 DI1
16 DI2
17 DI3
18 DI4
19 DI5
20 DI6
21 NC1
DO1
22 C1
(RL1)
23 NO1
24 NC2
DO2
25 C2
(RL2)
26 NO2
27 NC3
DO3
28 C3
(RL3)
29 NO3
7
7-3