iROB
®
501, iROB
®
401, iROB
®
301
6 Putting into operation
EN
-
19
6.3 Establishing a connection to higher-level control
The connection points for external connections are located behind the cover plate.
1
Loosen the screws (4×).
2
Open the cover plate downwards.
Fig. 11
Connection points for external connections
A
4× screws
B
Cover plate
C
Terminal strip for external connections
B
A
C
Tab. 5
Signals on the terminal strip for external connections to connect a higher-level controller
Terminal strip
Signal name
Function
TM1
1–2
A
Output for ammeter
Output for connecting an external ammeter.
(600 A / 60 mV)
TM2
1–2
V
Output for voltmeter
Output for connecting an external voltmeter. (100 V F.S.)
TM3
1–2
READY
Output ready
If the welding power source reports that it is ready to
weld, this contact is closed.
If a fault is detected, the contact is opened.
3–4
STOP
Input for emergency stop switch Use the appropriate switch.
5–9
IN-EXT1
External input 1
Internally assigned.
6–9
IN-EXT2
External input 2
7–9
IN-EXT3
External input 3
8–9
IN-EXT4
External input 4
TM4
1–2
24 V 0.2 A
24 V power supply
Output for power supply 24 V
Maximum load 0.2 A
3–4
OUT EXT1
External output 1
Additional outputs for expanding functions.
Setting the internal functions enables the signal of the
welding status fault to be output.
6.3.1 F25–F28: Setting external outputs on
page EN
5–6
OUT EXT2
External output 2
7–8
OUT EXT3
External output 3
9–10
OUT EXT4
External output 4
11–12
Arc is lit
Output for “Arc is lit” signal
The contact is closed as soon as a welding current is
detected.
