Siemens BT300 Operator's Manual page 43

Table 6: Expected Voltages, Conventional Bypass Diagnostic Test Points.
Test Reference
Point
TP1 TP8
TP2 TP8
TP3 TP8
TP4 TP8
TP5 TP8
TP6 TP8
TP7 TP8
TP8 TP8
TP9 TP8
TP10 TP8
TP11 TP8 115 Vac (w/ M3)
0 Vac (No M3)
TP12 TP15
TP13 TP15 24 Vdc (On)
0 Vdc (Off)
TP14 TP15 24 Vdc (On)
0 Vdc (Off)
TP15 TP15
Siemens Industry, Inc.
Drive Off
0 Vac 0 Vac
0 Vac 0 Vac
0 Vac 0 Vac
115 Vac 0 Vac
115 Vac 0 Vac
115 Vac 0 Vac
115 Vac 0 Vac
0 Vac 0 Vac
0 Vac 0 Vac
0 Vac 0 Vac
115 Vac (Test)
0 Vac (Off)
24 Vdc 24 Vdc
0 Vdc
0 Vdc
0 Vdc 0 Vdc
BT300 Bypass Operator's Manual
Conventional Bypass Diagnostic Board
Bypass Essential Services Description
115 Vac 115 Vac
115 Vac 115 Vac
115 Vac 115 Vac
0 Vac 0 Vac
0 Vac 0 Vac
0 Vac 0 Vac
0 Vac 0 Vac
0 Vac 0 Vac
115 Vac 115 Vac (REM)
0 Vac (LOC)
115 Vac (REM) 0 Vac
0 Vac (LOC)
115 Vac (Test) 115 Vac (Test)
0 Vac (Off) 0 Vac (Off)
24 Vdc 24 Vdc
0 Vdc 0 Vdc
0 Vdc 0 Vdc
0 Vdc 0 Vdc
Troubleshooting
Point between ESR-B terminal 4
and M2A-B terminal 3.
M1 coil power.
M1 coil power.
Point between ESR-C terminal 7
and M1A-B terminal 3.
M2 coil power.
M2 coil power.
Point between BOD switch 'Drive'
position and ESR-C terminal 6.
Vac Neutral.
Point between BOD switch
'Bypass' position and LOC/REM
jumper.
Point between REM jumper and
RR-B terminal 3.
Point between Test Switch 'Off'
position and M3 coil (M3 coil
power).
24 Vdc from drive standard I/O
terminal 6.
Drive standard I/O terminal 9 (DI2
- Drive Contactor (M2) Interlock).
Drive standard I/O terminal 8 (DI1
- I/O Start) DI2 must be ON before
DI1 can be ON.
Vdc Common from drive standard
I/O terminal 13.
DPD01391
2016-08-05
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