Chapter 3 Connections and Wiring
3-28 Revision January 2011
The following Tables 3.B and 3.C detail the functions, applicable operational modes,
signal name and relevant wiring schematic of the default DI and DO signals.
Table 3.B DO Signals
Pin No.
(Default)
DO Signal
Assi
ned
Control
Mode
+ -
Details
Wiring Diagram
(Refer to 3.3.4)
SRDY ALL 7 6
SRDY is activated when the servo drive is
ready to run. All fault and alarm conditions, if
present, have been cleared.
SON
Not
assigne
d
- -
SON is activated when control power is
applied the servo drive. The drive may or may
not be ready to run as a fault / alarm
condition may exist.
Servo ON (SON) is "ON" with control power
applied to the servo drive, there may be a
fault condition or not. The servo is not ready
to run. Servo ready (SRDY) is "ON" where the
servo is ready to run, NO fault / alarm exists.
ZSPD ALL 5 4
ZSPD is activated when the drive senses the
motor is equal to or below the Zero Speed
Range setting as defined in parameter P1-38.
For Example, at factory default ZSPD will be
activated when the drive detects the motor
rotating at speed at or below 10 r/min, ZSPD
will remain activated until the motor speed
increases above 10 r/min.
TSPD
ALL
(except
PT, PR)
- -
TSPD is activated once the drive has detected
the m
otor has reached the Target Rotation
Speed setting as defined in parameter P1-39.
TSPD will remain activated until the motor
speed drops below the Target Rotation Speed.
TPOS
PT, PR,
PT-S,
PT-T,
PR-S,
PR-T
1 26
1. When the drive is in PT mode, TPOS will
be activated when the position error is
equal and below the setting value of P1-
54.
2. When the drive is in PR mode, TPOS will
be activated when the drive detects that
the position of the motor is in a -P1-54 to
+P1-54 band of the target position. For
Example, at factory default TPOS will
activate once the motor is in -99 pulses
range of the target position, then
deactivate after it reaches +99 pulses
range of the desired position.
TQL
Not
assigned
- -
TQL is activated when the drive has detected
that the motor has reached the torques limits
set by either the parameters P1-12 ~ P1-14 of
via an external analog voltage.
ALRM ALL 28 27
ALRM is activated when the drive has detected
a fault condition. (However, when Reverse
limit error, Forward limit error, Emergency
stop, Serial communication error, and
Undervoltage these fault occur, WARN is
activated first.)
C5/C6/C7/C8
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