Advantech PCI-1762, Руководство пользователя

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27 PCI-1762 User Manual
Appendix C
R
egister
Structure
and
Format
C.3 C.3 Relay I/O Registers - BASE+0H and
BASE+1H
The PCI-1762 offers 16-ch relay Actuators. These I/O channels use the input and
output ports at addresses
BASE+0 and BASE+1 .
C.4 Isolated Digital Input Registers - BASE+2H and
BASE+3H
The PCI-1762 offers 16-ch isolated digital input channels. These channels use the
input ports at addresses
BASE+2 and BASE+3 .
Table C.2: Register for Relay Output Status
Read Relay Output Status
Bit # 7 6 5 4 3 2 1 0
BASE +1 RS15 RS14 RS13 RS12 RS11 RS10 RS9 RS8
BASE +0 RS7 RS6 RS5 RS4 RS3 RS2 RS1 RS0
Table C.3: Register for Relay Output
Write Relay Output
Bit # 7 6 5 4 3 2 1 0
BASE +1 RO15 RO14 RO13 RO12 RO11 RO10 RO9 RO8
BASE +0 RO7 RO6 RO5 RO4 RO3 RO2 RO1 RO0
Note! The default configuration of the digital output channels is a logic 0. This
avoids damaging external devices during system start-up or reset since
the power on status is set to the default value.
Register for Isolated Digital Input
Read
Isolated Digital Input
Bit # 7 6 5 4 3 2 1 0
BASE +3 IDI15 IDI14 IDI13 IDI12 IDI11 IDI10 IDI9 IDI8
BASE +2 IDI7 IDI6 IDI5 IDI4 IDI3 IDI2 IDI1 IDI0