Operating Instructions

Diagnostic Board

Test Points

Siemens Industry, Inc. 125-1007 Rev.BA

2014-08-14

Figure 18: Diagnostic Test Points.

Test

Point

Reference

Expected Voltage

Description

Drive

Off

Bypass/

Essential

Services

TP1

TP8

115 Vac 115 Vac 115 Vac Point between OL1 Terminal 96 and

M2A-B Terminal 3.

TP2 0 Vac 115 Vac 115 Vac Point between M2A-B Terminal 2

and Drive OPT-B5 card Terminal 22.

TP3 0 Vac 0 Vac 115 Vac Drive OPT-B5 card Terminal 23 (M1

coil power).

TP4 115 Vac 115 Vac 115 Vac Point between OL1 Terminal 96 and

M1A-B Terminal 3.

TP5 115 Vac 115 Vac 0 Vac Point between M1A-B terminal M2

and Drive OPT B5 card Terminal 25.

TP6 115 Vac 0 Vac 0 Vac Drive OPT-B5 card Terminal 26 (M2

coil power).

TP7 N/A N/A N/A Not used.

TP8 0 Vac 0 Vac 0 Vac Vac Neutral.