Chapter 2: Installation and wiring
58
EST iO64 and iO500 Technical Reference Manual
AC power wiring
Circuit specifications
64 point panel: 120 V, 60 Hz, 1.3 A or 230 V, 50/60 Hz,
0.6 A from dedicated branch supply
250/500 point panel: 120 V, 60 Hz, 1.8 A or 230 V, 50/60 Hz,
0.975 A from dedicated branch supply
WARNING:
Never replace the fuse while the circuit is energized. The
replacement fuse must be of equivalent size and type.
CAUTION:
The middle connection (EARTH GND) on the terminal block
makes a mechanical connection to the chassis even with the
ground wire removed.
AC power wiring
5 A, 250 V, SLO-BLO
(Littlefuse P/N 218005)
L
N
LINE
EARTH GND
NEUTRAL
120 or 230 VAC
primary power connection
Note:
See "Component Descriptions" for the location of the terminal
block in the backbox.