Examples Of Wiring Diagrams Of Inverter Control Signal - WEG CFW-11 User Manual

Installation and Connection

3.3.3 Examples of Wiring Diagrams of Inverter Control Signal

It is recommended to use inverter DI1 and DI2 digital inputs set as 3-wire start/stop commands and the wiring
diagrams of inverter control signal according to
3
XC1:11 - DGND
XC1:12 - COM
XC25:2 - GND (R1-)
XC25:4 - GND (R2-)
XC1:13 - +24 V
XC25:1 - STO1 (R1+)
XC25:3 - STO2 (R2+)
CFW-11
Note:
(*) For specifications of external safety relay, which is required to realize SS1 (stop category 1), refer to
on page 3-39.
Figure 3.28 - (a) and (b) - Inverter control wiring examples (XC1 and XC25 terminals) to realize STO (or SS0, i.e., stop category 0)
and SS1 (stop category 1) safety functions according to IEC/EN 61800-5-2 and IEC/EN 60204-1 standards - DI1 and DI2 inputs set
3-38 | CFW-11
(*)
XC1:1 - DGND
XC1:12 - COM
XC25:2 - GND (R1-)
XC25:4 - GND (R2-)
XC1:13 - +24 V
XC1:15 - DI1
XC1:16 - DI2
XC25:1 - STO1 (R1+)
XC25:3 - STO2 (R2+)
CFW-11
(a) STO or SS0 safety function (without an external safety relay)
(*)
Start
XC1:15 - DI1
Stop
XC1:16 - DI2
(b) SS1 safety function with an external safety relay
as 3-wire start/stop commands
Figure 3.28 on page 3-38.
Start
Stop
13 23
14 24
Safety relay
47 57
External
safety relay
A1 A2
48 58
(*)
Item 3.3.4 Technical Specifications