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Start-up Procedures
Bypass Wizard (P1.21)
21
Siemens Industry, Inc. BT300 Bypass Operator's Manual DPD01391
Building Technologies 2017-09-28
Bypass Wizard (P1.21)
The Bypass Wizard is activated in the Quick Setup (M1) menu. The wizard assists with
configuring the drive for use with the Conventional or Electronic Bypass options. If the
Electronic Bypass option is selected, additional features can be enabled, if desired.
The standard I/O is re-mapped for use with the Electronic Bypass option. Additional
parameters are available when the Electronic Bypass option is enabled.
The following steps are required to successfully complete the Bypass Wizard:
Step Parameter/Question Settings
1 Select the Bypass (P3.17.4) mode Electronic
Conventional
Disabled
If Conventional is selected, the following changes occur automatically, the wizard
completes, and the message: Bypass Wizard is now complete. Press OK to
continue. displays.
● Control Signal 2 A (P3.5.1.2) is set to DigIN Slot0.1 to disable the reverse
command on Digital Input 2.
● Run Interlock 2 (P3.5.1.13) is set to DigIN SlotA.2 to enable the run interlock on
Digital Input 2. The status of the Output Contactor (M2) is factory-wired to digital
input 2.
● Preset Freq Sel0 (P3.5.1.15) is set to DigIN Slot0.1 to disable the Preset
Frequency Selection 0 on Digital Input 4.
● Overload (P3.5.1.53) is set to DigIN SlotA.5 to enable the overload on Digital Input
5. The status of the Overload is factory-wired to Digital Input 5.
If Electronic is selected, the following change occurs automatically:
Overload (P3.5.1.53) is set to DigIN SlotA.5 to enable the overload on Digital Input 5.
The status of the Overload is factory-wired to Digital Input 5.
The wizard continues with the following steps:
Step Parameter/Question Settings
2 Bypass Delay (P3.18.1) Time Defines the amount of time between the unit being
placed into Bypass mode and the M1 contactor closing.
Range: 1 to 30 s
3 Essential Services* (P3.18.5) Enabled
Disabled
If Enabled is selected for Essential Services, Step 4 displays. Otherwise, the wizard
jumps directly to Step 5.
Step Parameter/Question Settings
4 Essential Services Activation (P3.5.1.52) DigIN SlotA.6
5 Remote Bypass* (P3.18.6) Enabled
Disabled