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Set Up and Calibration Procedures
Communications Set Up Group
50 HercuLine™ 2000 Series Actuator - Installation, Operation and Maintenance Manual Revision 7
7/08
Communications Set Up Group
Table 16 lists the parameters and selections available for the SET COMM group.
Table 16 Communications Set Up Group Parameters
Actuator Lower
Display
Prompt
Selections or
Range of Setting
Parameter Definition/PDA HercuLink Prompt
COMM
DIS
MODB
HART
COMMUNICATONS PARAMETERS— Disables or enables
parameter displays for Modbus communciations set up.
Disabled— Locks out access to communications displays
and parameters.
Modbus— Allows access to the communication displays
and settings for the parameters listed below.
HART – selects HART as the communications protocol
ADDRES 1 to 99
default = 1
DEVICE ADDRESS
— Selects device address when used in
a Modbus communications loop. Select an address that is
unique to other devices on the communications link.
BAUD
2400
4800
9600
19.2k
default = 19.2k
BAUD RATE
— Selects the speed of data transfer. All
equipment on the link must be set to match the host setting.
XmtDLY
NONE
10ms
20ms
30ms
40ms
50ms
default = 20ms
RESPONSE DELAY
— Selects the time delay (in
milliseconds) before a response to a query is transmitted.
DBLBYT
FP B
FPBB
FP L
FPLB
default = FP B
FLOATING POINT DATA FORMAT
— Selects the format for
transferring floating point data.
Byte Order
Floating Point Big Endian format— 0 1 2 3
Floating Point Big Endian format
with byte-swapped— 1 0 3 2
Floating Point Little Endian format
— 3 2 1 0
Floating Point Little Endian format
with byte-swapped— 2 3 0 1