ACH550 E-Clipse Bypass User’s Manual 2-93
Embedded fieldbus
Start/stop control (Drive only)
Using the fieldbus for start/stop control of the drive only requires:
• Bypass parameter values set as defined below.
• Fieldbus controller supplied command(s) in the appropriate location. (The
location is defined by the Protocol Reference, which is protocol dependent.)
• Control commands must be addressed to the Drive node with parameter 1625 set
to 0 (
DRIVE ONLY). For SYSTEM control refer to Start/stop control (System) on
page 2-100.
1. For Modbus, the protocol reference can depend on the profile used, hence two columns in these
tables. One column refers to the ABB Drives profile, selected when parameter 5305 = 0 (
ABB DRV
LIM) or 5305 = 2 (ABB DRV FULL). The other column refers to the DCU profile selected when
parameter 5305 = 1 (
DCU PROFILE). See ABB control profiles technical data – drive section on page
2-182.
Bypass
Parameter
Value Description
Protocol Reference
Modbus
1
N2 FLN BACnet
ABB DRV
DCU
PROFILE
1601 START/
S
TOP
2 (COMM) Start/Stop by
fieldbus with Ext1
or Ext2 selected.
40001
bits 0…3
40031
bits 0, 1
BO1 24 BV10
1625
COMM
CTRL
0 (DRIVE
ONLY)
Enable drive only
control.
N/A
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