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参数资料
| 型号： | CUB5SNK0 |
| 厂商： | Red Lion Controls |
| 文件页数： | 14/16页 |
| 文件大小： | 0K |
| 描述： | DUAL SINKING OPEN OC OUT CARD |
| 标准包装： | 1 |
| 系列： | * |
| 其它名称： | RLC165 |
Copy Procedure:
1. Connect the master and receiver using the appropriate copy cable.
2. Apply power to the meters. The receiving meter must be operating in the
normal display mode (not programming mode).
3. On the master meter, enter programming mode and proceed to the Copy
Program Settings parameter in Module 5. Select YES to begin copying.
4. During the copy process (~ 2 sec.), the master meter displays an upload
message ( UP-LOAd ) while the receiver displays a download message ( dn-LOAd ).
This indicates successful communication between the master and receiver. If
the receiver message is not displayed, be sure the proper cable is connected.
5. When copying is complete, the receiver displays the power-up sequence and
returns to normal operating mode, programmed with all the same settings as
the master meter. The master remains at the COPY prompt, ready to connect
another receiver for copying.
MASTER
UP-LOAd
SEL RST
RECEIVER
dn-LOAd
SEL
RST
Node (meter)
Address Specifier
T
R
Reset
P
SendingSerialCommandsandData
When sending commands to the meter, a string containing at least one
command character must be constructed. A command string consists of a
command character, a value identifier, and numerical data (if writing data to the
meter) followed by a command terminator character, * or $.
Command Chart
Command Description Notes
Address a specific meter. Must be followed
N by one or two digit node address. Not
required when node address = 0.
Transmit Value Read a register from the meter. Must be
(read) followed by a register ID character.
Write to register of the meter. Must be
V Value Change (write) followed by a register ID character and
numeric data.
Reset a count value or setpoint output. Must
be followed by a register ID character
Block Print Request Initiates a block print output. Registers in the
(read) print block are selected in Print Options.
Command String Examples:
1. Node address = 17, Write 350 to the Setpoint 1 value
String: N17VF350*
2. Node address = 5, Read Counter A, response time of 50 msec min
String: N5TA*
3. Node address = 0, Reset Setpoint 1 output
String: RF*
4. Node address = 31, Request a Block Print Output, response time of 2 msec min
String: N31P$
Transmitting Data to the Meter
Numeric data sent to the meter must be limited to transmit details listed in the
Register Identification Chart. Leading zeros are ignored. Negative numbers
must have a minus sign. The meter ignores any decimal point and conforms the
number to the scaled resolution. (For example: The meter ’s scaled decimal point
position is set for 0.0 and 25 is written to a register. The value of the register is
now 2.5. In this case, write a value of 250 to equal 25.0).
Note: Since the meter does not issue a reply to value change commands, follow
with a transmit value command for readback verification.
Register Identification Chart
ID Value Description MNEMONIC
A Counter A CTA
B Counter B CTB
Applicable
Commands
T, V, R
T, V, R
Transmit Details (T and V)
8 digit positive/7 digit
negative (with minus sign)
7 digit, positive only
Receiving Data From The Meter
Data is transmitted from the meter in response to either a transmit command
(T), a block print request command (P) or a User Input print request. The
response from the meter is either a full field transmission or an abbreviated
transmission, depending on the selection chosen in Module 5.
C
Rate
RTE
T
6 digit, positive only
Full Field Transmission
D
E
F
G
H
Scale Factor A
Scale Factor B
Setpoint 1
(Reset Output 1)
Setpoint 2
(Reset Output 2)
Counter A Count
Load Value
SFA
SFB
SP1
SP2
CLD
T, V
T, V,
T, V, R
T, V, R
T, V
6 digit, positive only
6 digit, positive only
per setpoint Assignment,
same as Counter or Rate
per setpoint Assignment,
same as Counter or Rate
8 digit positive/7 digit
negative (with minus sign)
Byte
1, 2
3
4-6
7-18
19
20
Description
2 byte Node Address field [00-99]
<SP> (Space)
3 byte Register Mnemonic field
12 byte data field; 10 bytes for number, one byte for sign,
one byte for decimal point
<CR> (carriage return)
<LF> (line feed)
Command String Construction
The command string must be constructed in a specific sequence. The meter
does not respond with an error message to illegal commands. The following
procedure details construction of a command string:
1. The first 2 or 3 characters consist of the Node Address Specifier (N) followed
by a 1 or 2 character node address number. The node address number of the
meter is programmable. If the node address is 0, this command and the node
address itself may be omitted. This is the only command that may be used in
conjunction with other commands.
2. After the optional address specifier, the next character is the command character.
3. The next character is the register ID. This identifies the register that the
command affects. The P command does not require a register ID character. It
prints all the active selections chosen in the Print Options menu parameter.
4. If constructing a value change command (writing data), the numeric data is
sent next.
5. All command strings must be terminated with the string termination characters
* or $. The meter does not begin processing the command string until this
character is received. See Command Response Time section for differences in
meter response time when using the * and $ terminating characters.
14
21 <SP>* (Space)
22 <CR>* (carriage return)
23 <LF>* (line feed)
* These characters only appear in the last line of a block print.
The first two characters transmitted are the meter address. If the address
assigned is 0, two spaces are substituted. A space follows the meter address
field. The next three characters are the register mnemonic, as shown in the
Register Identification Chart.
The numeric data is transmitted next. The numeric field (bytes 7 to 18) is 12
characters long. When a requested counter or rate value exceeds the meter ’s
display limits, an * (used as an overflow character) replaces a space in byte 7.
Byte 8 is always a space.
The remaining ten positions of this field consist of a minus sign (for negative
values), a floating decimal point (if applicable), and eight positions for the
requested value. The data within bytes 9 to 18 is right-aligned with leading
spaces for any unfilled positions.
The end of the response string is terminated with a <CR> and <LF>. After
the last line of a block print, an extra <SP>, <CR> and <LF> are added to
provide separation between the print blocks.
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