Tonghui TH2829 Series - Setting LED Test Conditions

TH2829X Series Operation Manual Chapter 7 Transformer Auto Scanning Test
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TH2829x758
7.12.10.1 BL test setup page
BL (balance) is parameter used to compare the conformity of two windings.
TH2829x759
Users can compare Lx , Lk, Cx or DCR BL of two windings.
BL provides 3 judge modes:
 |ABS| When |L1-L2| >High limit value, it means the result is not
good. If this mode is selected，nominal value is only used as the switch of testing
compare. (Note: If no nominal values are set, the comparison will not be
performed.)
 % When （100%×|L1-L2| / nominal value）>high limit value
it means the result is not good.
 Lo~Hi When this mode is selected, Nom： zone will be changed to Low
Limit： ，judge method is：Low limit value < (L1 -L2) < High limit value it the
result is not good.
Steps for setting L1, L2 winding pins:
1. Move the cursor to the setting zone of L1, L2 winding pins.
2. press numeric key 0~9，where：0 means PRI winding, 1 means SEC1 winding,
2 means SEC2 winding.
3. Press [ENTER] to confirm.
7.12.11 Setting LED test conditions
On <TEST CONDITION> page, move the cursor to the LED zone.
Press the key to select
the BL mode:|ABS|, Lo~Hi, %
Press the key to select
the BL parameter: Lx, DCR
Press the key to enter PRI：1
Press the key to switch
the BL serial number, the
maximum number is 5.