Sensoray 421 - Manual (Page 20)

Page 18 Sensoray Model 421 Instruction Manual
Adrs Write Function Read Function
0 RELAY4
Sets relay channels 0-7 simultaneously. All bits are active high.
RELAY4
Returns the states of relay channels 0-7. All bits are active high.
1 RELAY5
Sets relay channels 8-15 simultaneously. All bits are active high.
RELAY5
Returns the states of relay channels 8-15. All bits are active high.
2 RELAY6
Sets relay channels 16-23 simultaneously. All bits are active high.
RELAY6
Returns the states of relay channels 16-23. All bits are active high.
3 Reserved for future use
4
5
6
7
8
9
A
B
C
D
E
F
R
7
R
6
R
5
R
4
R
3
R
2
R
1
R
0
R
7
R
6
R
5
R
4
R
3
R
2
R
1
R
0
R
15
R
14
R
13
R
12
R
11
R
10
R
9
R
8
R
15
R
14
R
13
R
12
R
11
R
10
R
9
R
8
R
23
R
22
R
21
R
20
R
19
R
18
R
17
R
16
R
23
R
22
R
21
R
20
R
19
R
18
R
17
R
16