19
Note Use either the C200HW-COM01 or a V1 Communications Board for the ZE-ver-
sion C200HX/HG/HE CPU Units.
Indicators (LEDs) The Communications Board indicators on the front panel of the CPU Unit indi-
cate the status of the Board, as described in the following table.
Indicator Color Status Meaning
RDY Green
Not lit The Board cannot be used due to a hardware
error on the Board.
Flashing A setting error has been discovered in the PC
Setup or the protocol data.
Lit The Board is operating properly and
communications are possible.
COMB Orange Flashing Communications are in progress with the
device connected to port B.
COMA Orange Flashing Communications are in progress with the
device connected to port A.
2-2-4 Power Supply Units
Power Supply Units provide power to the CPU Rack and the Expansion I/O
Racks. Power Supply Units are available for either AC or DC power input. The
numbers in the diagram correspond to the numbers of the following items in the
description. (The following diagram shows the C200HW-PA204S.)
Part Names and Functions
2. Terminals for external
connections
1. POWER indicator
100 to 120 VAC/
200 to 240 VAC
100 to 120
200 to 240
+24 VDC 0.8 A
L
2
/N
L
1
Note The AC input terminals may
be indicated as L
1
/N and L
2
instead of L
2
/N and L
1
on
some Units. However, there
is no difference in their func-
tions or performance.
L
2
/N
L
1
L
1
/N
L
2
1, 2, 3... 1. POWER Indicator
The POWER indicator will be lit whenever the Power Supply Unit is output-
ting 5 V.
Units
Section 2-2
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