WELCOM-250Y, Z MAINTENANCE MANUAL
CHOWEL - 9 -
1-11 Counter
. Total weld counter : 1 / 1 to 99,999,999
. Each schedule counter : 14 / 1 to 99,999,999
1-12 Fault detection
. Controller failure : Fault output
. Internal power failure : Fault output
. Internal parts failure : Fault output
. Low line voltage : Alarm output
. Illegal power frequency : Fault output
. Low voltage in weld : Fault output
. Memory data error : Fault output
. Current program error : Fault output
. No current : Fault output
. SCR short : Fault output
. 2nd cable break : Alarm output
. 2nd cable short : Fault output
. SCR over temperature : Fault output
. Extremely low current : Fault output
(Less then 50%)
. Low current : Fault output
. High current : Fault output
. Communication error : Fault output
. Undefined error : Fault output
1-13 Monitor
. Monitor according to each schedule
C.T input gain : 1 to 16 (2,880 to 180amp FS)
Weld power factor : 0 to 90 degree
Weld T/R margin : 0 to 99 %
Test current : 0 to 25,500 amp
Average test current : 0 to 25,500 amp
Times judged cable breaking : 0 to 9 times
Each schedule weld count value : 0 to 99,999,999
. Common monitor
#1 weld time : 0 to 99 CYC
#2 weld time : 0 to 99 CYC
Index no. : 0 to 255
