Chapter 3 Welder Operation Description 61
Ehave Series Full Digital IGBT CO
2
/MAG/MMA Multifunctional Inverter Welder User Manual
Note 6: The relationship between the preset current signal value Vai provided by the robot to the welder and the
welder's actual preset current value Iref is Vai = 0.02128 Iref - 0.6383. See Figure 3-46. That is, when the actual
preset current is 300 A, the preset current signal value is 5.7457 V.
Figure 3-46 Relationship between Vai and Iref
Note 7: The relationship between the welding voltage signal value Vvolt provided by the welder to the robot and the
welder's actual welding voltage value Vreal is Vvolt = 0.13333 Vreal + 0.55 V. See Figure 3-47. That is, when the
actual voltage is 30 V, the welding voltage signal value is 4.55 V.
10.55V
75V
Vvolt
Vreal
0
0.55V
Figure 3-47 Relationship between Vvolt and Vreal
Direction of
connector A
View of
connecter A
Figure 3-48 Pin numbers of the DB15 connector
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