Jumper positions wye-(2, Jumper positions (1-(1, Jumper positions wye-∆2 -22 – Basler Electric BE1-87T User Manual
Page 118: Jumper positions ∆1-∆1 -22

5-22
BE1-87T Test Procedures
9171300990 Rev V
This verifies the A- and C-phase differential circuits which respond together as provided
earlier
in the
Verification Tests: 5 Amp CT or Verification Tests: 1 Amp CT
in this section. The B-
phase differential circuit sees no current and does not respond.
Step 3. Connect Input 1 current to terminals B and C.
Connect Input 2 current to terminals B and N.
This verifies the B- and C-phase differential circuits which respond together as provided
earlier
in the
Verification Tests: 5 Amp CT or Verification Tests: 1 Amp CT
in this section. The A-
phase differential circuit sees no current and does not respond.
Jumper Positions WYE-∆2
Step 1. Connect Input 1 current to terminals A and B.
Connect Input 2 current to terminals N and B.
This verifies the A- and B-phase differential circuits which respond together as provided
earlier
in the
Verification Tests: 5 Amp CT or Verification Tests: 1 Amp CT
in this section. The C-
phase differential circuit sees no current and does not respond.
Step 2. Connect Input 1 current to terminals A and C.
Connect Input 2 current to terminals A and N.
This verifies the A- and C-phase differential circuits which respond together, as provided
earlier
in the
Verification Tests: 5 Amp CT or Verification Tests: 1 Amp CT
in this section. The B-
phase differential circuit sees no current and does not respond.
Step 3. Connect Input 1 current to terminals B and C.
Connect Input 2 current to terminals N and C.
This verifies the B- and C-phase differential circuits which respond together as provided
earlier
in the
Verification Tests: 5 Amp CT or Verification Tests: 1 Amp CT
in this section. The A-
phase differential circuit sees no current and does not respond.
Jumper Positions ∆1-∆1
Step 1. Connect Input 1 current to terminals A and N.
Connect Input 2 current to terminals A and N.
This verifies the A- and B-phase differential circuits which respond together. The C-phase
differential circuit sees no current and does not respond.
Step 2. Connect Input 1 current to terminals B and N.
Connect Input 2 current to terminals B and N.
This verifies the B- and C-phase differential circuits which respond together as provided
earlier
in the
Verification Tests: 5 Amp CT or Verification Tests: 1 Amp CT
in this section. The A-
phase differential circuit sees no current and does not respond.
Step 3. Connect Input 1 current to terminals C and N.
Connect Input 2 current to terminals C and N.