WEIHONG Lambda 4S Series - Non-Cascade Connection; Signal Types; Binary Input Signal; Non-Cascade Connection Type Extended Terminal Board Interface

上海维宏电子科技股份有限公司
Weihong Electronic Technology Co., Ltd.
Specialized, Concentrated, Focused - 41 -
1
2: N
3
4: P
5: COM
6: P
7
8
9: N
Fig. 2-32 Cascade connection type extended terminal board interface
2.5.2 Non-cascade Connection
For non-cascade connection type, Lambda 4S controller should be connected with terminal board
EX27A. See Fig. 2-33 for pin connection to EX27A.
1: COM
3: Y1
5: Y5
7: X4
9: X0
11: COM
13: Y3
15: Y7
17: X7
19: X2
2: Y0
4: Y4
6: +24V
8: X5
10: X1
12: Y2
14: Y6
16: +24V
18: X6
20: X3
Fig. 2-33 Non-cascade connection type extended terminal board interface
2.6 Signal Types
2.6.1 Binary Input Signal
Binary input signals can be active low or active high. See Fig. 2-34. When S is connected to COM,
inputs are active high, when to +24V, active low.
IN
Lambda Series
S
+24V
COM
4.7k
4.7k
VCC
Fig. 2-34 Binary input connecting with mechanical switch