Examples Of Wiring Diagrams Of Inverter Control Signal - WEG CFW-11 Installation And Operation Manual

Safety Stop Function

4. EXAMPLES OF WIRING DIAGRAMS OF INVERTER CONTROL SIGNAL

It's 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 figure 4.
XC1:11 - DGND*
XC1:12 - COM
XC25:2 - GND(R1-)
XC25:4 - GND(R2-)
XC1:13 - +24V
Start
XC1:15 - DI1
Stop
XC1:16 - DI2
XC25:1 - STO1(R1+)
XC25:3 - STO2(R2+)
CFW-11/
CFW-11M
(a) STO or SS0 safety function with
CFW-11 and CFW-11M inverters
XC25:2 - GND(R1-)
XC25:4 - GND(R2-)
XC25:1 - STO1(R1+)
XC25:3 - STO2(R2+)
CFW-11/
CFW-11M
XC1:36 - GND(24V)
XC25:2 - GND(R1-)
XC25:4 - GND(R2-)
XC25:1 - STO1(R1+)
XC25:3 - STO2(R2+)
CFW70X
(*) For specifications of external safety relay that is required to realize SS1 (stop category 1) refer to item 5.
Figure 4: 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 –
12 | CFW-11, CFW-11M, CFW70X
Emergency
Stop
XC1:11 - DGND*
XC1:12 - COM
XC1:13 - +24V
Start
XC1:15 - DI1
Stop
XC1:16 - DI2
(c) SS1 safety function with CFW-11 and CFW-11M inverters
XC1:35 - COM
XC1:34 - +24V
Start
XC1:37 - DI1
Stop
XC1:38 - DI2
(d) SS1 safety function with CFW70x inverters
DI1 and DI2 inputs set as 3-wire start/stop commands
XC1:36 - GND(24V)
XC1:35 - COM
XC25:2 - GND(R1-)
XC25:4 - GND(R2-)
XC1:34 - +24V
Start
XC1:37 - DI1
Stop
XC1:38 - DI2
XC25:1 - STO1(R1+)
XC25:3 - STO2(R2+)
CFW70X
(b) STO or SS0 safety function with CFW70x
inverters
13 23 47 57
External
Safety Relay
A1 A2
14 24 48 58
13 23 47 57
External
Safety Relay
A1 A2
14 24 48 58
(*)
Emergency
Stop
(*)