What is R1 relay on the ATV28 and its specifications?
The R1 is a non-pogrammable fault relay for the unit.
R1A is a N.O. contact. When controller is powered with no fault, contact is closed.
R1B is a N.C. contact. When controller is powered with no fault, contact is open.
R1C is common.
The relay has a minimum switching capacity of
- 10Ma for 5Vdc
maximum switching capacity on inductive load
(cos theta = 0.4 and L/R = 7ms):
- 1.5 a for 250Vac and 30Vdc