Yaskawa P7B Drive Bypass - Manual (Page 70)

Digital Operator 3 - 6
" Bypass Run Indicator
" Motor OL/Safeties Fault Indicator
Table 3.8 Bypass Run Indicator
Indicator Status Description
On
The Bypass has been given a run command in the HAND or AUTO
mode.
Or, the operation has been remotely transferred to Bypass using the
switch selectable “Remote Transfer to Bypass” feature (S104) via a
customer supplied contact closure at terminals TB1-25 and TB1-26.
Or, the operation has been automatically transferred to Bypass after a
Drive fault condition via the switch selectable “Auto Transfer to
Bypass” feature (S103).
Or, the operation has been transferred to Bypass using the switch-select-
able “Smoke Purge” feature (S105) via a contact closure at terminals
TB1-17 and TB1-18.
The motor is running at full speed across-the-line and the Drive is de-
energized.
Off
The Bypass has no run command in either the HAND or AUTO modes.
The unit may be operating in Drive mode.
Table 3.9 Motor OL/Safeties Fault Indicator
Indicator Status Description
On
The motor overload (S10) has tripped OFF de-energizing both the
Drive and Bypass Circuits.
Or, the NC “motor safety circuit” connected to terminals TB1-1 and
TB1-2 has an open circuit condition.
Off The motor overload (S10) and NC “motor safety circuit” are satisfied.