5 Installation Procedure
18
YASKAWA ELECTRIC
TOBP C730600 41E 1000-Series Option DO-A3 Installation Manual
5.
Wire the customer-supplied circuit to the terminal blocks on the option. Refer to
for wiring instructions.
Connection Diagram
Refer to
on page
for a detailed description of the option board terminal
functions. To ensure accurate control, use stable power supply for the voltage
reference source.
Figure 8
Figure 8 Option Connection Diagram
<1> Double-check the polarity on the diode when connecting a DC relay.
<2> Install a surge absorber (SA) when using an AC relay.
Ground wire
CN5-A/
CN5-B/
CN5-C
Unit
DO-A3
TB2
TB1
RLY1
RLY2
RLY3
RLY4
RLY5
RLY6
P1
P2
P4
P3
P5
P6
PC
M1
M2
M4
M3
RLY7
SA
RLY8
SA
DC power supply
(
48 V
,
max.50 mA
)
Photocoupler
output
Relay output
AC power supply
(
AC250 V
,
max.1 A
)
or
DC power supply
(
30 V
,
max.1 A
)
R/L1
S/L2
T/L3
<1>
<2>
FE
Main circuit terminal
Control circuit terminal
DO
