ACH550 E-Clipse Bypass User’s Manual 2-193
Embedded fieldbus
The bypass status word is defined in table below. The drive status word depends on
the profile selected and does not change when bypass parameter 1625 = DRIVE
ONLY or SYSTEM modes (see drive manual).
BYPASS STATUS WORD
Bit NAME Value Description Comments
0 READY 1 Bypass is ready to receive
start command
0 Bypass is not ready
1 ENABLED 1 External run enable and start
enable signals received
0 External run enable or start
enable signals missing
2 STARTED 1 Bypass has received start
command
0 Bypass has not received start
command
3 RUNNING 1 Motor is running
0 Motor is not modulating
4 FIELDBUS_LOCAL 1 Bypass is in fieldbus local
mode
Field bus is controlling all
inputs that can have COMM
setting.
0 Bypass is not in fieldbus local
mode
5 FAULT 1 Bypass is in fault state
0No faults
6 ALARM 1 Alarm is on
0 No alarms
7 Reserved
8 REQ_CTL 1 Control word requested in this
channel
This bit set indicates that
the bypass is expecting at
least one control bit from
the serial channel.
0 Control word not requested
9 OVERRIDE 1 In override Override 1 or override 2 is
active
0 Not in override
10 POWERED_UP 1 Powered up Input voltage has passed
minimum level beyond
which normal bypass
operation can proceed
including writing of
parameters from the field
bus.
11 MODE 1 Bypass mode
0Drive mode
12 PANEL LOCAL 1 Bypass in local (Hand or Off)
0Bypass in Auto
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