Delta Electronics VFD-VL User Manual
Appendix B Accessories|
B-44
Revision Nov. 2008, VLE1, SW V1.03
B.11 Safety Relay EMVL-SAF01
B.11.1 Functions of the Terminals
Terminals
Descriptions
Specifications
S1
+24VDC power Input
S2 +24VDC,
reference
level of the power
・
Min. activation voltage: +19Vdc
・
Impedance: 720+10%Ω
・
Rated power: about 800mW
S3
A dry contact of a relay
J1
S4
A dry contact of a relay
・
Rated current: 8 A
・
Rated voltage/max. switch voltage: 240/400 VAC
・
Contact material: AgSnO2
・
Contact impedance:
≦
100 mOhm / 1 A / 24 VDC
≦
20 Ohm / 10 mA / 5 VDC
・
Mechanical endurance: 10x10
6
cycles
・
Rated operation frequency: 6 min
-1
/ 150 min
-1
(loaded/unloaded)
B.11.2 Wiring of the Safety Relay
S3
S4
S2
S1
-
+
Relay
contact
contact
connect to J P19
on the c ontrol board
on the c ontrol board