WEG CFW-11 Guía De Instalación, Configuración Y Operación página 7

XC31 Connector: Power Supply 24 VDC, Digital Inputs and RS-485 Interface.
XC31
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(*) TX LED data transmission indication by the PLC11, red color.
Function
NC Not connected
NC Not connected
NC Not connected
24 VDC Power supply 24 VDC
0 V reference for power supply
DGND
24 VDC
COM DI Common to digital inputs
NC Not connected
A-Line (-) RxD/TxD negative for RS-485
B-line (+) RxD/TxD positive for RS-485
NC Not connected
NC Not connected
NC Not connected
NC Not connected
NC Not connected
DI106
Bidirectional and isolated digital
DI107
inputs.
DI108 and DI109 are fast digital
DI108
inputs, which generate interrupt.
DI109
Figure 6: Description of XC31 connector
Specifications
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Power supply 24 VDC ± 8 %
Capacity: 500 mA
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(*)
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(*)
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4 isolated digital inputs
High level ≥ 18 V
Low level ≤ 3 V
Maximum voltage: 30 V
Input current: 11mA @ 24 VDC
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