Omega Speaker Systems CIO-RELAY16 User Manual
Page 9
For example, to assemble the control byte that will turn on relays 0. 1. 3. 5 and 7 we
can see from the chart below we need to write decimal 171 (hex AB):
171
AB
1
1
1
1
1
1
OP0
2
1
2
2
1
2
OP1
0
0
4
0
0
4
OP2
8
1
8
8
1
8
OP3
0
0
16
0
0
10
OP4
32
1
32
20
1
20
OP5
0
0
64
0
0
40
OP6
128
1
128
80
1
80
OP7
WEIGHT
ON=1
DECIMAL
WEIGHT
ON = 1
HEX
RELAY
4.2 PROGRAMMING NOTES
WRITE = CONTROL: Write a byte to the register to control the relays. A one in the
relay bit position turns the relay on.
READ = STATUS: Read the status of the relay control register. A one in the relay
bit position indicates the relay is on.
ON & OFF for FORM C RELAYS:
On means that FORM C relay common is in contact with the Normally Open contact.
Off means that FORM C relay common is in contact with the normally closed contact.
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4.3 DETAILED RELAY CONTROL I/O MAP
The following section provides a detailed description of the register map and relay
control registers.
Base Address +0 (applicable to all CIO-RELAY series boards).
RELAY
OP7
OP6
OP5
OP4
OP3
OP2
OP1
OP0
BIT No.
7
6
5
4
3
2
1
0
HEX Value
80
40
20
10
8
4
2
1
DECIMAL
128
64
32
16
8
4
2
1
Base Address +1 (RELAY16, 24 and 32 only)
RELAY
OP15
OP14
OP13
OP12
OP11
OP10
OP9
OP8
BIT No.
7
6
5
4
3
2
1
0
HEX Value
80
40
20
10
8
4
2
1
DECIMAL
128
64
32
16
8
4
2
1
Base Address +2 (RELAY24 and 32 only)
RELAY
OP23
OP22
OP21
OP20
OP19
OP18
OP17 OP16
BIT No.
7
6
5
4
3
2
1
0
HEX Value
80
40
20
10
8
4
2
1
DECIMAL
128
64
32
16
8
4
2
1
Base Address +1 (RELAY32 only)
RELAY
OP31
OP30
OP29
OP28
OP27
OP26
OP25 OP24
BIT No.
7
6
5
4
3
2
1
0
HEX Value
80
40
20
10
8
4
2
1
DECIMAL
128
64
32
16
8
4
2
1
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