4-5
•
The power lines at the Servomotor must be securely connected.
D
Checking the Encoder Connectors
•
The Encoder Cable must be securely connected to the Encoder Connector (CN2) at the Servo Driv-
er.
•
The Encoder Cable must be securely connected to the Encoder Connector at the Servomotor.
D
Checking the Control Connectors
•
The Control Cable must be securely connected to the I/O Control Connector (CN1).
•
The RUN command (RUN) must be OFF.
D
Checking Parameter Unit Connections
•
The Parameter Unit (R88A-PR02W) must be securely connected to the CN3 connector.
H
Turning ON Power
•
First carry out the preliminary checks, and then turn ON the control-circuit power supply. It makes no
difference whether or not the main-circuit power supply is also turned ON.
•
The ALM output will take approximately 2 seconds to turn ON after the power has been turned ON.
Do not attempt to detect an alarm using the Host Controller during this time (when power is being
supplied with the Host Controller connected).
H
Checking Displays
•
When the power is turned ON, one of the codes shown below will be displayed at either the indicators
or the Parameter Unit.
Normal (Base Block)
Error (Alarm Display)
Note 1.
“bb” (baseblock) means that the Servomotor is not receiving power.
Note 2.
The alarm code (the number shown in the alarm display) changes depending on the contents
of the error.
Note 3.
When using a Servomotor with an absolute encoder for the first time, A.81 (backup error) will
be displayed. Clear this error by setting up the absolute encoder. (Refer to
4-2-2 Absolute
Encoder Setup and Battery Changes
).
•
If the display is normal (i.e., no errors), manually turn the Servomotor shaft forward and reverse, and
check to be sure that it agrees with the positive and negative on the speed display. Display the speed
feedback in Monitor Mode using the setting switches on the front panel, or the Parameter Unit, and
turn the Servomotor shaft forward and reverse.
Operation
Chapter 4
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