Omron 3G8F7-CRM21, User Manual

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Wiring for Power Supply
Section E-5
Network power supply type
The communications power supply and the I/O power supply are common.
That is there is no need to provide supply units separately. The power is
supplied commonly through the communications power supply connector on
the Master Board or through the downstream port of communications power
supply connector on the Repeater Unit. Bit Slave Units have Flat Cables
attached.
E-5-1 Communications Power Supply Specifications
The communications power supply must meet the following specifications.
Commercially available power supply units can be used. An OMRON S82-
series Power Supply Unit is recommended, however, as to supply
communications power to CompoNet system.
Master Board or
Repeater Unit
BS
+
BDH
BDL
BS
−
BS
+
BS
−
BS
+
BD
H
BD
L
BS
−
Overcurrent protection
(current limit: 4 A)
Communications power supply connector on Master Unit
or downstream port's communications power supply connector on Repeater Unit
Round Cable II, Flat
Cable I, or Flat Cable II
When complying with UL standards,
install a device to limit the current
between the external power supply
and the Unit to 4 A or less for the
communications power supply.
Communications
power supply
and I/O power
supply (shared)
24 VDC
Item Specification
Output voltage 24 VDC
±
10%
Output ripple 600 mVp-p
Output current Use a power supply that has a capacity equivalent or exceeding
the following total current consumption:
• The current consumption of all of Word Slave Units and
Repeater Units, and
• The current consumption of all of Bit Slave Units and the
external I/O devices
Insulation Between outputs and AC power, and between outputs and
enclosure grounding