控制三线式比例比例，使其开，关，并能显示阀位开度
SCR零位触发
直接可触发SCR 实现单相或三相零位控制
SCR相位触发
接可触发SCR 实现单相或三相零位控制
第二组 
输出
继电器接点：
继电器：3A/220V,电器寿命：100000次以上(额定负载下),工作周期15秒
EB38A6-C4AR-1024
EB38A6-N4IR-100
EB38F6-P4PR-200
EB38B6-C4PR-400
EB38B6-P6PR-500
EB38F6-L5AR-2500
EB38A6-L5AR-300
EB38F8-C4PR-200
EB38F6-P6AR-100
EB38F6-H4BR-100
EB38B6-L6PR-1024
EB38F8-H6IR-2000
EB38F8-L5HR-1024
EB38A6-L6PR-2500
IES386-600-PNC20
EB38A6-C4PR-1200
EB38A6-C4HR-1000
EB38B6-H4PR-5000
EB38F8-C4HR-1000
EB38B6-C4PR-250
EB38B6-C4PR-300
EB38B6-H4HR-200
EB38F8-H4AR-512
EB38A6-H6AR-1200