Weld334m - User’s manual
F360-IOB I/O Basic card
38
9.4
P21 . Description of signals
24V discrete digital inputs and outputs, protected against overvoltage.
Input sensitivity: 20/30V.
All I/Os are equipped with a LED indicator for the indication of the signal presence.
12-way, 3.5mm pitch, linear connector with disconnectable terminals
Pin Signal Description Signal Rating (I)
1,2* COM.IMP. SCR trigger control 2A
3** TSCR SCR temperature Input 10mA
4 EMERG Emergency stop Input 10mA
5 Input Free Input 10mA
6 Input Free Input 10mA
7 Output Free Output 0,3A
8 Output Free Output 0,3A
9 FINESEQ End of Sequence Output 0,3A
10,11 RICHSALD Request for welding Output Relay contact
12 CONSALD Consent to welding Input 10mA
*
In the case of a Weld334m IMF integrated inverter, the function becomes:
Welding/starting time with current 10mA
** In the case of a Weld334m IMF integrated inverter, the function becomes: Inverter
Ready
P21 – Functional description of signals
Pin Signal Function
1 +24TRASF.
24V power supply to SCR trigger transformer primary (to be used for
this purpose only).
2 COM.IMP.
SCR trigger Pulse control (See application diagrams).
3 TSCR
SCR over temperature
OFF active.
The sensor is to be of NC contact type. In the event of over-
temperature, the TSCR signal is interrupted and the control device
generates the relevant alarm and shuts down the machine cycle.
4 EMERG
EMERGENCY STOP
OFF active. It is connected to 24V supply through an N.C. contact,
which is broken (by robot or in manual mode), in case of emergency
stop.
The control device inhibits the sequence and hampers the start function
as long as 24V is not reactivated on this input.
See EMERGENCY STOP diagrams in Appendix B.
5 INPUT
24V discrete (min/max20/30V)
6 INPUT
24V discrete (min/max20/30V)
7 OUTPUT
24V, 0.3A discrete
8 OUTPUT
24V, 0.3A discrete
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