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Related Parameters
Parameter
Parameter Name
Digital Operator Display
No.
Frequency Reference
b1-01
Selection
Reference Source
Run Command Selection
b1-02
Run Source
Drive Node Address
H5-01
Serial Comm Adr
Communication Speed Selection
H5-02
Serial Baud Rate
Communication Parity Selection
H5-03
Serial Com Sel
Stopping Method after
H5-04
Communication Error
Serial Fault Sel
Communication Error Detection
H5-05
Selection
Serial Flt Dtct
Drive Transmit Wait Time
H5-06
Transmit WaitTIM
RTS Control Selection
H5-07
RTS Control Sel
Communication Protocol
H5-08
Selection
Protocol Select
Communication Error
H5-09
Detection Time
CE Detect Time
* After these parameters are changed drive power must be cycled before the changes will take effect.
#
Hex, see page A-30
Modbus communication can perform the following operations regardless of the settings in b1-01 and b1-02:
1.
Monitoring operation status of the Drive
2.
Setting and reading Drive parameters
3.
Resetting faults
4.
Input multi-function commands
An OR operation is performed between the multi-function command input from the DDC and the command
IMPORTANT
input from multi-function digital input terminals S3 to S7.
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Table D.2 Serial Communication Related Parameters
Description
Selects the speed command (frequency reference)
input source.
0: Operator - Digital preset speed d1-01
1: Terminals - Analog Input Terminal A1
(or Terminal A2 see parameter H3-13)
2: Serial Com - RS-485 terminals R+, R-, S+ and S-
3: Option PCB - Option board connected at 2CN
Selects the run command input source.
0: Operator - "Hand" and "Off" keys on digital
operator
1: Terminal - Contact Closure on Terminal S1
2: Serial Com - RS-485 terminals R+, R-, S+ and S-
3: Option PCB - Option board connected at 2CN
Selects drive station node number (address) for
terminals R+, R-, S+, S-.*
Set H5-01 to 0 to disable Drive responses to Modbus
communications.
Selects the baud rate for terminals R+, R-, S+
and S-*.
0: 1200 Baud
1: 2400 Baud
2: 4800 Baud
3: 9600 Baud
4: 19200 Baud
Selects the communication parity for terminals R+,
R-, S+ and S-.*
0: No Parity
1: Even Parity
2: Odd Parity
Selects the stopping method when a communication
error is detected.
0: Ramp to Stop
1: Coast to Stop
2: Fast-Stop
3: Alarm Only
4: Run at D1-04 - available when H5-08 = "1:N2
METASYS" OR "2:FLN APOGEE"
Enables or disables the communications timeout
detection function.
0: Disabled - A communications loss will NOT
cause a communications fault.
1: Enabled - If communications is lost for more than
the time specified in parameter H5-09, a commu-
nications fault will occur.
Sets the time from when the drive receives data to
when the drive sends data.
Enables or disables request to send (RTS) control:
0: Disabled
1: Enabled
Selects the communication protocol.
0: Modbus
1: N2 (Metasys)
2: FLN (APOGEE)
Determines how long communications must be lost
before a fault is annunciated. Works in conjunction
with parameters H5-05 and H5-04.
Communications D - 4
Factory
Chapter
Setting Range
Setting
Ref #
0 to 3
1
0 to 3
1
0 to 20 (Modbus)
#
0 to FF (N2)
1F
0 to 63 (P1)
0 to 4
3
0 to 2
0
0 to 3
3
0 or 1
1
5 to 65
5ms
0 or 1
1
0 to 2
0
0.0 to 10.0
2.0sec
Menu
Location
Quick
Setting
Quick
Setting
Programming
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