5 module 5 - s, Erial, Ommunications – Red Lion LD User Manual
Page 13: Arameters
13
PAR
Data Bit
Baud Rate
Parity Bit
Options
Meter
Address
Abbreviated
Printing
5-SEr
bAUd
dAtA
PAritY
Addr
Abbr
Pr-OPt
Pro
Automatic
Data
Transmit
AUtO
Copy
Program
Settings
COPY
5.5 MODULE 5 - S
ERIAL
C
OMMUNICATIONS
P
ARAMETERS
(
)
PARAMETER MENU
DATA BIT
ABBREVIATED PRINTING
PARITY BIT
METER ADDRESS
Module 5 is the programming module for the Serial Communications
Parameters. These parameters are used to match the serial settings of the meter
with those of the host computer or other serial device.
BAUD RATE
Set the baud rate to match that of other serial communications equipment.
Normally, the baud rate is set to the highest value that all of the serial
communications equipment is capable of transmitting and receiving.
Select either 7- or 8-bit data word length. Set the word length to match the
other serial communications equipment on the serial link.
This parameter only appears when the Data Bit parameter is set to a 7-bit
data word length. Set the parity bit to match that of the other serial equipment
on the serial link. The meter ignores parity when receiving data and sets the
parity bit for outgoing data. If parity is set to
, an additional stop bit is used
to force the frame size to 10 bits.
Enter the serial node address. With a single unit, an address is not needed
and a value of zero can be used (RS232 applications). Otherwise, with multiple
bussed units, a unique address number must be assigned to each meter. The
node address applies specifically to RS485 applications.
This parameter determines the formatting of data transmitted from the meter
in response to a Transmit Value command or a Block Print Request. Select
for a full print transmission, consisting of the meter address, mnemonics, and
parameter data. Select
for abbreviated print transmissions, consisting of the
parameter data only. This setting is applied to all the parameters selected in the
PRINT OPTIONS. (Note: If the meter address is 0, the address will not be sent
during a full transmission.)
to
PRINT OPTIONS
This parameter selects the meter values transmitted in response to a Print
Request. A print request is also referred to as a block print because more than
one parameter can be sent to a printer or computer as a block.
Selecting
displays a sublist for choosing the meter parameters to appear
in the print block. All active parameters entered as
in the sublist will be
transmitted during a block print. Parameters entered as
will not be sent.
The “Print All” (
) option selects all meter values for transmitting
(
), without having to individually select each parameter in the sublist.
Note: Inactive parameters will not be sent regardless of the print option
setting. For example, Counter B or Scale Factor B will only be sent if Counter
B is enabled (Dual Counter mode or batch count). Likewise, the Rate value will
not be sent unless the Rate Display is enabled.
DISPLAY
MNEMONIC
Counter A
CTA
Counter B
CTB
Rate Value
RTE
SFA
SFB
Setpoint 2
Setpoint 1
CLD
SP2
SP1
DESCRIPTION
FACTORY
SETTING
Scale Factor A
Scale Factor B
Counter A Count Load
AUTOMATIC DATA TRANSMIT
Selecting
causes the meter to automatically transmit serial data per the
Print Options selection list. This occurs without using the User Input terminal
Print Request function (Module 1), and without requiring any serial data request
commands. This makes the User Input available to perform other functions,
while still allowing the meter to output serial data.
The selected data is transmitted repeatedly every 1.5 seconds during normal
operating mode, and pauses during programming mode.
COPY PROGRAM SETTINGS
This parameter is used to copy all the program settings from one LD meter
directly to another LD meter(s), through the serial terminal block connections
(RS232 or RS485). No PC connection or additional software is required.
Copying program setttings eliminates or greatly reduces programming time
when multiple meters use identical, or very similar, settings for an application.
Copy Requirements:
To copy program settings from one meter to another requires the following:
1. Each meter must have the same software version. The version is displayed
during the meter power-up sequence, or by entering Code 50 in the Factory
Service Operations. (See Module 3 for details)
2. Each meter receiving the program settings (receiver) must have the baud rate