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The following lists the selector switches on printed board Pr (MD5).
SW No. Factory
Setting
Contents
SW1 S *
Manufacturer’s settings. Cannot be selected.
SW2 *
Manufacturer’s settings. Cannot be selected.
∗ Printed on the board.
10.4 Internal Indicator Lamp
Indicator lamps (LED) on each board indicate the control circuit operations.
Board Name LED Operation
Pr (MB2) V15
+15-V power supply
Pr (MB2) V
Output signal
Pr (IF) LED1
+24 V for gas magnetic valve
Pr (IF) LED2
Torch switch ON signal
Pr (IF) LED3
Current detection signal
Pr (MX) TS
Start signal
Pr (MX) HV
High DC voltage applied
Pr (MX) W1
Current detection
Pr (MX) Im
Main current setting
Pr (MX) MX2b
MX contact OFF
Pr (MX) W
MX excitation ON