Black Box ICD400A, Быстрый старт

Страница: 4 / 8

STEP 5 - Power Connection
Connect your external power supply to the 2-position
power terminal block A. The polarity is indicated on the
front label. The converter will accept 10 to 30 VDC, 1.0
W maximum. The terminal block will accept 28 to 12
AWG wire.
TABLE 4-2. TERMINAL IDENTIFICATION
RS-422/485 4-Wire RS-485 2-Wire
A Ground A Ground
B RDB(+) B Data B(+)
C RDA(-) C Data A(-)
D TDB(+) D —
E TDB(-) E —
A B C D E
Power supply
10–30 VDC, 2.5 W
V(-) V(+)
Figure 4.2 Terminal Identification
Figure 4-2 and Table 4-2 show the terminal
identification.