User Manual 1260-38
Installation Instructions 2-2
Module
Installation
Installation of the 1260-38 Switching Module into a VXI mainframe,
including the setting of switches SW1-1 through SW1-4, 5W2 and
5W3, is described in the Installation section of the 1260 Series VXI
Switching Cards Manual. Configuration of switches SW 1-5 and
SW 1-6 is described below.
1260-38 ID Byte
Refer to Section 2 of the Series 1260 VXI Switching Card Manual
for an explanation of Module ID Byte.
The 1260-38 may be configured for two-wire or four wire switching.
The two-wire configuration closes one relay for the selected
channel. Four-wire configuration closes two relays for the selected
channel. Each configuration responds to different sets of values
for <channel number>. The set of values the 1260-38 responds to
is controlled by switch SW1- 5. The switch settings that
correspond to the two configurations are as follows:
Configuration*
S1 Switch 5
S1 Switch 6
Four-wire Off
Off
Two-wire On
Off
The 1260-38 is set at the factory for two-wire configuration.
NOTE
*The software will report the Model Number as “1260-
38A” for the two-wire configuration, or “1260-38B” for
the four-wire configuration.
Revised 5/18/2000
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