Limit of HL5030 connection problem

Time:2015-9-7 19:07:14

Limit of 0 HL5030 connection HL5030 problem, a total of four lines, how to connect

Re： Time:2015-9-8 1:33:00

1 and 2 a, HL5030 3 HL5030 and 4 are NO

Re：Re： Time:2015-9-8 3:57:00

Follow-up;on whatever device is a relay output

Re：Re：Re： Time:2015-9-8 8:45:00

1 anp;2 are normally closed points, 3 and 4 are always open HL5030 Point

Re：Re：Re：Re： Time:2015-9-8 11:09:00

1，2-NC，3，