1，可接 2 線(xian)、3 線(xian)信(xin)號，每個點都帶指示燈，狀態一(yi)目了然；

2，采用(yong) 16 組(zu)（3 位 1 組(zu)）彈簧端子(zi)（棕(zong)藍黑分別為對應負載得 +，- 信(xin)號(hao)），接(jie)線簡單快(kuai)捷(jie)，維修(xiu)和更換(huan)更加方便(bian)；

3，信號邏輯(ji)：NPN

4，每個點都(dou)帶(dai)自恢復保險。

1, can be connected to 2-line, 3-line signal, each point has an indicator

light, the status is clear;

2, the use of 8 groups (3-bit 1 group) spring terminals (brown, blue and

black respectively for the corresponding load to +, - signals), simple

and quick wiring, maintenance and replacement more convenient;

3, signal logic: NPN

4, each point with self-recovery insurance