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Pakscan IIE System Manual
38 of 132
Publication S177E V2.0 Issue 03/05
8.5 Master Station Status
Master tag
Master MSTAG001
Status
Status=LB OFF ESD
Alarms
9>Alarms=P
Options
1>M/S 2>Field Units
This is the first master station screen that is displayed at power-up
The Master Tag is an identity tag that can be configured by the user.
The Status line indicates the loopback status and the ESD input state. The loopback state is displayed
as:
LB OFF
- loopbacks are all off
LB ON
- loopbacks are in use, i.e. there is a loop fault
LB busy
- this message appears during loop re-configuration and is one of the following;
1. LBbusy: Wait for LB 1
(first wait for loopbacks to come on)
2. LBbusy: Find FCU's on A (finding FCU's on port A)
3. LBbusy: Test Loop
(testing for complete loop)
4. LBbusy: Find FCU's on B (finding FCU's on port B)
5. LBbusy: Wait for LB 2
(second wait for loopbacks to come on)
6. LBbusy: LBs off on A
(removing loopbacks from port A)
7. LBbusy: LBs off on B
(removing loopbacks from port B)
(The normal sequence for a fault free loop would be 1, 2 and 3. A sequence for a break in the loop
anywhere except at port A or port B, would be 1 to 7. Some of the phases may be very quick,
particularly at higher baud rates, and so may not be displayed as the LCD update rate is about twice a
second.)
ESD
- master station in ESD mode, e.g. ESD link broken
The Alarms line
shows master station alarms by means of code letters:
F
- Memory failure
B
- Low battery
P
- Power on reset
A
- Field unit address fault
auto LB
- Automatic loopback occurred
Commands available:
- Accept
alarms
-
Go to master station menu
-
Go to field unit status page
-
Go to alarm detail page (displays full text of system alarms present)
CLEAR
1
2
9