Selco BOX RI 1000 Instrucciones De Uso página 21

2 I/O BOX RI
1 Wire 1
2 Wire 2
3 Wire 3
4 Wire 4
5 Wire 5
6 Wire 6
7 Wire 7
8 Wire 8
9 Wire 9
10 Wire 10
11 Wire 11
12 Wire 12
13 Wire 13
14 Wire 14
15 Wire 15
16 Wire 16
Connect the signal cable (3) to the appropriate connector (2).
Power supply
Connect to +24V direct voltage (IN)
Connect to +24V direct voltage (IN)
(OUT) +24V direct voltage
(OUT) +24V direct voltage
Not used
Connect to the ground contact
Connect to the ground contact
Connect to the ground contact
General digital inputs
START: command signal for powering the electrical arc.
0V = arc OFF
24V = arc ON
WIRE FORWARD: wire extension command signal. The extension speed corre-
sponds to the value set by the operator. Wire extension stays active for the entire
"command active" time.
0V = wire not extended
24V = wire extended
WIRE BACK: wire retraction command signal. Wire retraction speed is 1m/min and
retraction time is 1s.
0V = wire back inactive
24V = wire back active
AIR TEST: command signal for opening the air circuit solenoid-valve. The solenoid-
valve stays open for the entire "command active" time.
0V = no air flow
24V = air flow
GAS TEST: command signal for opening the gas circuit solenoid-valve. The sole-
noid-valve stays open for the entire "command active" time.
0V = test inactive
24V = test active
EMERGENCY: command signal for total shut-down of the welding process. For con-
nection to the system's safety devices.
0V = system in alarm status
24V = system operating normally
Not used
Not used
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