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3.4.4
Loop Back
When enabled, this feature provides a loop-back self test for use in diagnosing serial communications errors. The
loop-back self test checks the function of the remote display serial port by sending and receiving data to itself.
The following table shows the required
connections.
If Port 1 receives nothing from Port 0 for three seconds, the following message is displayed on the remote
display:
Fail 1
If Port 0 receives nothing from Port 1 for three seconds, the following message is displayed on the remote
display:
Fail 2
If communications are successful between the two, the following message is displayed:
Pass
3.5
Version
When
is selected from the main menu choices (Figure 3-8), the current software version is shown on the
Version
remote display.
3.6
Demand Print Displaying
The indicator and the
LaserLight
as cattle weighing. This is useful if you want to show and keep the last weight of an animal.
Demand print display can be set up using Auto-Learn when the Port 0,
is set up manually by formatting the baud rate, data bits, parity, etc. of the remote display and the indicator.
Using Auto-Learn, ensure
demand print display.
3.7
Serial Commands
The
remote display has the ability to receive commands, display messages, or use a digital I/O (2
LaserLight
inputs & 2 outputs). When interfaced to an indicator having a configurable serial string like the IQ plus 355, 710,
800, or 810, the print ticket format can be configured to allow the user to use the
temporarily interrupts the streamed weight display. The amount of time the message is displayed is defined by
the
(message time) parameter under the
MSG TM
display.
If the
LaserLight
remote display is interfaced with a programmable smart indicator like the 920i, a user program
can be written to allow the user to send messages utilizing softkeys or events. When sending messages from a
user program, the user can send one message to temporarily override the streamed weight display or send
multiple messages to be displayed one at a time for several seconds each, replacing the weight display all
together if desired.
20
LaserLight Remote Display Installation & Operation Manual
Port 0 TR
Port 1 TR
SERIAL
CONFIG
Figure 3-8. Version Menu
remote display can be set up to do a demand print display for such applications
is on and continuously push the print button on the indicator to attempt a
HOLD WT
CONFIG
Port 1 RCV
Port 0 RCV
TEST
VER
VERSION
Hold Weight
Print
menu in the remote display, for the 7-segment remote
parameter is turned
, and it
On
key to send a message that
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