User`s manual

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) Hardware limit signal
The hardware limit signal (LMT+ ,LMT-) serves as the input signal that limits the drive pulse of both positive and
negative direction drives. When the limit signal and its logic level are both enabled, the motion of the concerning
axis will stop immediately.
) Signal corresponding to server motor
Input signals connected to the driver of the servo motor include INPOS (in-position signal) and ALARM (alarm
signal). For each signal, the enabled state/disabled state and the logic level can be set.
The input signal INPOS corresponds to the signal that indicates the positioning the server motor is completed. If it
is set as “enabled”, after one drive is finished, the system will wait for the enabled state of INPOS and then the
return of drive state will end. The joint ALARM receives alarm signal from the driver of the servo motor. When it
is set as “enabled”, the system will monitor the state of ALARM. If the signal is effective, the drive will stop
immediately. The states of these input signals used for the driver of the motor can be read through universal I/O
function. The common output signal can be used for clearing of bias counter, resetting of alarm state, startup of
server unit.
) Drive by external signal
Drive by external signal refers to the motion controlled by the external signals (switch). This mode is mainly used
for the adjusting the machine in a manual way.
The currently used external manual signals include:
IN12: Manual stop. Once responded, 500 positive pulses are output from OUTO.
IN13: Manual return to the home position. The system will automatically start or close STOP0. If the user uses
phase Z signal, he should use IN13 in upper PC.
IN14: Manually run the files for machining.
These three signals are enabled by lower level.
Chapter IV Basic Library Functions of ADT8840
Type Function Definition Page
DeviceAddr_init
Initialization of device interface’s
address
35
TCP_Conn Network connection 35
Close_netconn Close network connection 35
Close_all Close network connection and resources 35
Basic
parameters
Get_sock
Get the raw socket for network
communication
36