Amada MD Series, Operation Manual

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MD Series
4. Name and Functions of Each Section
4-3
⑯ CONTROL connector
Used to connect to the slave. For connection, refer to 5. (2) Connection
between Master and Slave .
⑰
I/O connector
Pin No. Description
1
INT.24V
24 V DC is output.
Connect Pin 1 to Pin 14 to use a contact or NPN transistor (open
collector) as input signals (for starting and schedule selection).
Use Pin 1 only for connection to Pin 14 or Pin 2.
Connection to other pins will result in equipment failure.
2
STOP
In most cases, connect Pin 2 to Pin 1.
When this pin is opened, an operation stop error is displayed and
operation stops.
Open this pin to stop the sequence in the middle of operation when
using the start function with self-holding.
This pin does not have the emergency stop function.
When emergency stop is necessary, install a circuit that
breaks power supply to the equipment.
3
2ND
Close this pin, and the weld sequence is started in the usual manner.
4
17
5
18
6
Schedule
select
SCH 1
SCH 2
SCH 4
SCH 8
SCH 16
Terminal for selection of schedule No.
Functions when the external schedule select is
selected. (Refer to
6. (6)
7
SCHEDULE .)
The schedule No is the sum of the SCH Nos. of
the closed pins. (Refer to Table of schedule Nos.
and corresponding schedule-select pins.)
7
16
COM
COM pins to use a contact or NPN transistor.
8
WE ON/OFF
When this pin is opened, the flow of welding current is not allowed
when the weld sequence is started. Use this pin to tentatively activate
the equipment.
9
CNTR RESET
Closes the circuit to reset the counter.
10
22
NC
Reserve input pins. (Keep these pins open without connecting,
otherwise the equipment may be damaged.)
CAUTION
CAUTION