Ce Conformity; Redundant Power Supplies Each With External Circuit Breaker; Slow-Blow Of Power Supplies - Honeywell ControlEdge 900 platform Hardware Planning And Installation Manual

Table 6-1: Slow-blow of power supplies
Power supply
AC power supply
DC power supply
152
Figure 6-3: Redundant power supplies each with external circuit
breaker
For 2 phase power source, external circuit breaker must be included
in both L1 and L2.
See the following table for the slow-blow fuse of the two power
supplies.

CE Conformity

Electrical noise produces undesirable effects in measurements and
control circuits.
Digital equipment is especially sensitive to the effects of electrical
noise. The following methods can help to reduce these effects:
Use separate external wiring – group connecting wires into
n
bundles (see Guidelines for grouping wires
individual bundles through separate conduits or metal trays.
Use shielded cables for all I/O channels. Ground shields as
n
described in I/O Module installation and wiring
Input rating
115 V AC
230 V AC
24 V DC
Slow-blow
3.0 A
2.5 A
7.0 A
section) and route the
section.