National Instruments 6527 Series User Manual

Chapter 2 Register Map and Descriptions
6527 Register-Level Programmer Manual 2-4 ni.com
Output Registers (Ports 3–5)
The Output Registers are read and write. Write to an Output Register to control the switch
states of the eight solid-state relays on the corresponding port. Read an Output Register to get
the states of the eight relays associated with the port. The power-up state of each register is
all high (hex FF), causing the relays to be open.
Address Offset: 03 (hex) for Port 3
04 (hex) for Port 4
05 (hex) for Port 5
Type: Read and write
Size: 8-bit
Bit Map:
Bit Name Description
7–0 N.<7..0> Data—These are the eight output data bits of output
Port N,whereN isbit0,1,or2,frombit7downto0.
1 = Open relay (power-up state)
0 = Close relay
7 6 5 4 3 2 1 0
N.7 N.6 N.5 N.4 N.3 N.2 N.1 N.0

National Instruments 6527 Series Specifications

General

Brand	National Instruments
Model	6527 Series
Category	I/O Systems
Language	English