ABB ACH550-UH User Manual page 439

ACH550 E-Clipse Bypass User's Manual
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 (
page 2-100.
Bypass
Parameter
1601 S
1625
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 (
LIM
parameter 5305 = 1 (
2-182.
). For SYSTEM control refer to
DRIVE ONLY
Value
/ 2 ( )
TART COMM
S
TOP
0 (
COMM DRIVE
)
CTRL ONLY
) or 5305 = 2 (
ABB DRV FULL
DCU PROFILE
Description
ABB DRV
Start/Stop by 40001
fieldbus with Ext1 bits 0...3
or Ext2 selected.
Enable drive only N/A
control.
). The other column refers to the DCU profile selected when
). See
ABB control profiles technical data – drive
Start/stop control (System)
Protocol Reference
1
Modbus
N2 FLN
DCU
PROFILE
40031 BO1 24
bits 0, 1
section on page
Embedded fieldbus
2-93
on
BACnet
BV10
ABB DRV