Flex 12EX2 Standard, AB and Tandem Instruction Manual
November 2017
Page 26 of 56
4.1.9.4 A/B Pushbutton Select with LED Indication – Inline Top/Bottom
Pushbutton Configuration
There are 4 different types of A/B selector sequence available. Choose one that is most
suitable for your application.
for jumper settings and
for output relay contact diagrams.
Type-A selector sequence: A
→
B
Type-B selector sequence: Off
→
A
→
B
Type-C selector sequence: A
→
B
→
A+B
Type-D selector sequence: Off
→
A
→
B
→
A+B
Function
Number
Display Type
PB9
PB10
PB11
PB12
115
1 1 Green
+ 5 Reds
A/1&2
Normal
Normal
Normal
116
1 1 Green
+ 6 Reds
B/1&2
Normal
Normal
Normal
117
1 1 Green
+ 7 Reds
C/1&2
Normal
Normal
Normal
118
1 1 Green
+ 8 Reds
D/1&2
Normal
Normal
Normal
51
5 1 Red
Normal
A/3&4
Normal
Normal
52
5 2 Reds
Normal
B/3&4
Normal
Normal
53
5 3 Reds
Normal
C/3&4
Normal
Normal
54
5 4 Reds
Normal
D/3&4
Normal
Normal
119
1 1 Green
+ 9 Reds
A/1&2
A/3&4
Normal
Normal
120
1 2 Greens
A/1&2
B/3&4
Normal
Normal
121
1 2 Greens
+ 1 Red
A/1&2
C/3&4
Normal
Normal
122
1 2 Greens
+ 2 Reds
A/1&2
D/3&4
Normal
Normal
123
1 2 Greens
+ 3 Reds
B/1&2
B/3&4
Normal
Normal
124
1 2 Greens
+ 4 Reds
B/1&2
C/3&4
Normal
Normal
125
1 2 Greens
+ 5 Reds
B/1&2
D/3&4
Normal
Normal