Laurel Electronics Custom ASCII Protocol For Laureate Series 2 Digital Panel Meters, Counters, Timers & L-Series Transmitters - Manual (Page 27)

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Remote Display Only – No Normal Readings Addressable Commands
6 Addressable remote display
7 Single value remote display
8 1st value of value sequence
9 2nd value of value sequence
A 3rd value of value sequence
B 4th value of value sequence
C Programmed to select specific data from
a data string
H, K or L commands
1 value only
1-4 sequential Values
2-4 sequential Values
3-4 sequential Values
4 sequential Values
1 value only
The addressable commands of Modes 0-6 can display remote data on one or more Counters
having the command address in a multi-point configuration or a single Counter having the
command address in a Point-to-point configuration. Modes 7 - 11 (B) do not use addressable
commands, but values only. They are primarily designed for Host Counter or Scale meter to
Slave Counter or remote display applications but may be used also in Host Computer to
Remote Display Counter configurations. Since the Host Counter may be selected to transmit up
to four sequential measurement values, Item 1, Item 2, Item 3 and Peak, (Scale meter transmits
up to 3 values) each measurement cycle, Modes 8-11 provide the ability of the Remote Display
to extract one of four sequential values and display it.
Modes 0-5 are normal counter modes that may be commanded as follows:
1. H Command. Overrides the normal display reading only.
2. K Command. The value is not displayed, but is stored as Item 3 if Item 3 is not being
used. It may then become the source, if selected, for the Alarm comparison and the
Analog Output. Item 3 is normally only used for the Batch and Arithmetic functions.
3. L Command. Both 1 and 2.
In addition, the H, K, L commands may or may not include a coded Alarm character. If
included, this character always overrides the internal Alarm comparisons and determines the
alarm indicators, the relay operation and the alarm character sent with the serial communi-
cations. Readings continue to be made internally during Remote Display operation and may be
received by a Host Computer, manipulated, and returned as remote data. When reset by a *1C4
Command, the display returns to its internal readings, the Alarms to their internal comparisons,
the Item 3 value to zero, and the Analog Output as scaled for zero input. A signal conditioner
board must be present in these modes to return to normal readings. If no signal conditioner
board is present, any Mode setting from 0-5 automatically changes to Mode 6.
Modes 6-11 are used for remote display operation only. No normal readings are made. A signal
conditioner board is optional, and if present, is ignored. When reset, the display shows “rESEt”
until the first remote display data is received.
Mode 6 is an addressable remote display mode that uses the H, K, L commands.