MM-400A
8. Operation Screens
8-119
58) PREDIST L: Displacement before welding lower limit error
*1
Output if the displacement before a welding start fall below the lower limits.
59) PREFORCE U: Force before welding upper limit error
*1
Output if the force before a welding start exceed the upper limits.
60) PREFORCE L: Force before welding lower limit error
*1
Output if the force before a welding start fall below the lower limits.
61) PRE EXT U: External input before welding upper limit error
*1
Output if the external input before a welding start exceed the upper limits.
62) PRE EXT L: External input before welding lower limit error
*1
Output if the external input before a welding start fall below the lower limits.
63) No setting
*1: Force/displacement-equipped specification function
• When SEAM is set for MODE in the SYSTEM SETUP (1) screen (Refer to
Chapter 8, “n-1. SYSTEM SETUP (1) Screen.”)
1) CURR NG: Current error
Output if the currents (peak and RMS) exceed the upper limits or fall below the
lower limits. (Judgment output is made after the current flow end.)
2) VOLT NG: Voltage error
Output if the voltages (peak and RMS) exceed the upper limits or fall below the
lower limits. (Judgment output is made after the current flow end.)
4) BK CURR NG: Current error
Output if the currents (peak and RMS) exceed the upper limits or fall below the
lower limits. (Judgment output is made during the current flow. The instrument
continues the output during the current flow, and then operates with the
OUTPUT TIME setting in the EXT INPUT/OUTPUT (4) screen.)
5) BK VOLT NG: Voltage error
Output if the voltages (peak and RMS) exceed the upper limits or fall below the
lower limits. (Judgment output is made during the current flow. The instrument
continues the output during the current flow, and then operates with the
OUTPUT TIME setting in the EXT INPUT/OUTPUT (4) screen.)
33) CURR-U: Current upper limit error
Output if the currents (peak and RMS) exceed the upper limits. (Judgment
output is made after the current flow end.)
34) CURR-L: Current lower limit error
Output if the currents (peak and RMS) fall below the lower limits. (Judgment
output is made after the current flow end.)
35) VOLT-U: Voltage upper limit error
Output if the voltages (peak and RMS) exceed the upper limits. (Judgment
output is made after the current flow end.)
36) VOLT-L: Voltage lower limit error
Output if the voltages (peak and RMS) fall below the lower limits. (Judgment
output is made after the current flow end.)
39) BK CURR-U: Current upper limit error
Output if the currents (peak and RMS) exceed the upper limits. (Judgment
output is made during the current flow. The instrument continues the output
during the current flow, and then operates with the OUTPUT TIME setting in
the EXT INPUT/OUTPUT (4) screen.)
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