Hastings CVT-14/24, Инструкция по эксплуатации

Страница: 9 / 17

page 9
2.4 External Cables And Wiring
WARNING: To prevent shock hazard to personnel, always install protective cover before
application of AC power or prior to placing instrument in- service.
VT series units
Connect the AC power cable, gauge tube cable, and analog output (analog output is only available
on units configured from the factory with 0-1 VDC ) as detailed in figure 2-4. The terminal block
protective cover must be removed to access screw terminals.
Terminal Function Description
3 Gauge tube cable HTD T.C. (blk wire)
4 AC power cable 115 VAC (blk wire)
5 Gauge tube cable HTD T.C. (wht wire)
6 Gauge tube cable COMP T.C. (green wire)
7 Analog output negative analog output terminal
8 Analog output positive analog output terminal
9 AC power cable Lo VAC (wht wire)
10 AC power cable 230 VAC (blk wire)
13 COM chassis ground
14 COM AC power ground (green/yellow wire)
14
13
3 4
10
9
8 7
6
5
WARNING:
When 115 VAC is connected to the
auto transformer, 230 VAC appears
at the 230 VAC terminal. The same
occurs when you attach 230 VAC to
the unit, 115 VAC appears at the 115
VAC terminal.
figure 2.4 ; VT series terminal block