编号
N.o

构成
Composition

代码及含义
Code ａnd definition

1

开关类别
Switch category

LJ:电感式 inductan type LJC：电容式 capacitan type LJM:霍尔式 Hall type
LJB:安全防爆式 safety explosion-proof type LJH:舌簧式 mimic linear type
LJH:舌簧式 reedtype

2

外形尺寸
Outward appearan code

18:18mm 12:12mm 30:30mm

3

外形代号
Outward appearan code

A 圆柱型 cylinder type
A3 金属外壳 metal shell
A4 塑料外壳 plastil shell

4

检测距离
Detection distan

1:1mm 5:5mm 8:8mm 10:10mm

5

工作电压
Working voltage

Z：6-36VDC Z1：30-65VDC
J：90-250VAC J1：345-400VAC

6

输出状态
Output state

B：常开(NO)Normally open(NO)
A：常闭(NC)Normally close(NC)
C：开闭(NO+NC)Normally open+normally close(NO+NC)

7

输出形式
Output form

X：三线直流NPN负逻辑输出three-wire DC NPN output
Y：三线直流PNP正逻辑输出three-wire DC PNP output
D：二线直流输出 two-wire DC output
J：交流二线输出其不意AC two-wire output
J1：继电器输出 Relay contact output
NP：NPN+PNP双输出 NPN+PNP double output