4.1.2.2 Standard Push Button Configuration (A/B Selector)
There are four (4) different types of A/B selector sequences available on the Flex system.
Choose the one that is most suitable for your application.
Type-A selector sequence
Type-B selector sequence
Type-C selector sequence
Type-D selector sequence
DIP
10
00101111
11
00110000
12
00110001
13
00110010
14
00110011
15
00110100
16
00110101
17
00110110
18
00110111
19
00111000
20
00111001
21
00111010
22
00111011
23
00111100
24
00111101
25
00111110
26
00111111
27
01000000
* PB7...PB12 → Push button number
* Normal → Normal momentary contact
* A/1&2...D/3&4 → A/B Selector type with designated LED Display (LED 1&2 or LED 3&4)
:
A+B → A → B → A+B ...
:
Off → A → B → Off → A → B ...
:
A → B → A+B → A → B → A+B ...
:
Off → A → B → A+B → Off → A → B → A+B ...
PB7
PB8
PB9 PB10 PB11 PB12
A/1&2 Normal Normal Normal Normal Normal
B/1&2 Normal Normal Normal Normal Normal
C/1&2 Normal Normal Normal Normal Normal
D/1&2 Normal Normal Normal Normal Normal
Normal A/3&4 Normal Normal Normal Normal
Normal B/3&4 Normal Normal Normal Normal
Normal C/3&4 Normal Normal Normal Normal
Normal D/3&4 Normal Normal Normal Normal
A/1&2 A/3&4 Normal Normal Normal Normal
A/1&2 B/3&4 Normal Normal Normal Normal
A/1&2 C/3&4 Normal Normal Normal Normal
A/1&2 D/3&4 Normal Normal Normal Normal
B/1&2 B/3&4 Normal Normal Normal Normal
B/1&2 C/3&4 Normal Normal Normal Normal
B/1&2 D/3&4 Normal Normal Normal Normal
C/1&2 C/3&4 Normal Normal Normal Normal
C/1&2 D/3&4 Normal Normal Normal Normal
D/1&2 D/3&4 Normal Normal Normal Normal
Flex 12EX System Instruction Manual
December 2013
Page 19 of 48
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