Technical data

Publication No. 980673-067 Rev. B 1260-43 User Manual
Astronics Test Systems Module Operation 3-1
Chapter 3
MODULE OPERATION
Operating Modes
The 1260-43 is operated in register-based mode.
In the register-based mode, the user writes directly to the control
registers on the 1260-43 module. The 1260-01T command module
does not monitor these operations, and does not keep track of the
relay states on the 1260-43 module in this mode.
A conceptual view of the register-
based mode is shown in
Figure 3-1 below.
Figure 3-1, Register-Based Mode of Operation
The register-based mode provides faster control of relay channels.
In this mode, relay operations are processed in less than 9
microseconds, not counting relay settling time or software
overhead inherent in I/O libraries such as VISA. To determine the
relay settling time, refer to Re
lay Settling Time in the
Specifications section.
Operating The
1260-43 in
Register-Based
Mode
In register-based mode, the 1260-43 is operated by directly writing
to control registers and reading from status registers on the 1260-
43 module. There are 180 control/status register pairs on the
1260-
43 module. When a control register is written to, all
channels controlled by that register are operated simultaneously.
Default value for all control registers is hex ‘00’ after reset.
The 1260-43 has a 10-Lane buss that is routed through the three
PC (MXI)
1260
-43
Write value 2 to A24 Address 205001