NI SCXI-1127, Руководство пользователя

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Chapter 2 U s i n g the SCXI-1127
The SCXI-1331 terminal block consists of a shielded board with 84 screw
terminals for easy connection to the SCXI-1127 input connector. The
SCXI-1331 is shown in Figure 2-1.
1 M u l t i p l e x e r Outputs 5 1 -Wire Lo Reference 8 G r o u n d Reference for
2 T w o -Wire Mode Channel Numbering ( 1 _ W I R E _ L O _ R E F ) T r i g g e r Signals
3 F o u r -Wire Mode Channel Numbering 6 E x t e r n a l Trigger Input (EXT_TRIG I N ) 9 C a b l e Strain Relief
4 O n e -Wire Mode Channel Numbering 7 S c a n n e r Advanced Output
1 0 Safety Ground Solder Lug
(SCANADVD)
Figure 2-1. SCXI-1331 Signal Connections
Depending on the input mode configuration of the SCXI-1127, the
SCXI-1331 has a maximum of 64 one-wire channels, 32 two-wire
channels, or 16 four-wire channels. The SCXI-1331 also has terminals for
external triggering signals. The SCXI-1127 supports the standard voltmeter
complete and scanner advanced triggering signals. The following sections
describe signal connections using the SCXI-1331 and the various input
SCXI-1127 User Manual
2-2 © National Instruments Corporation