Users Manual & Installation Guide
PV-
SERIES
16 D
IGITAL INPUTS
, 48 D
IGITAL OUTPUTS
Page
5 of 12
R
EGISTER
F
ORMAT
A
ND
D
ESCRIPTION
The PV-1648 occupies 8 consecutive addresses of PC I/O address space. The first
address or base address is determined during installation by setting the onboard
rotary address switch SW1. The registers and their functions are listed in the
following table (R = Read, W = write and Base = Base address.
Address
Function
Type
Base + 0
Digital Output 0-7
W
Base + 1
Digital Output 8-15
W
Base + 2
Digital Output 16-23
W
Base + 3
Digital Output 24-31
W
Base + 4
Digital Output 32-39
W
Base + 5
Digital Output 40-47
W
Base + 6
Digital Input 0-7
R
Base + 7
Digital Input 8-15
R
