em-tec BioProTT - Status, Troubleshooting, Support, and Service; Status and Error Information

BioProTT
TM
Flow Measurement System Version 1.00 page 47 of 75
8 Status Information, Troubleshooting, Support and Service
8.1 Available Status Codes/Information for Flow Meter
The following status information is provided via the different interfaces:
Description
Digital
Interface
RS 232 Status
Byte “ss” *)
Analogue
Interface
4-20mA Flow
Analogue
Interface
4-20mA RSS
Display
(BioProTT
FlowTrack plus
only - on
flow screen)
Sensor
disconnected
Bit 7 = 1
0 mA
0 mA
Flow screen
shows “-“
RSS shown
Set if
uncalibrated
transit time
value between
-3000 and +
3000
Bit 6 = 1
Flow value
RSS value
Flow value
RSS value
Insufficient
coupling (RSS)
Bit 5 = 1
0 mA.
RSS value
Flow screen
shows “-“
RSS value
Selection of
calibration
table
Bit 4,3,2 are set
according to
selected
calibration
table
n.A.
n.A.
Selected table
shown on
screen
Flow not valid
Bit 1 = 1
0 mA
RSS value
Flow screen
shows “-“
RSS value
Temperature to
high
Bit 0 = 1
0 mA
RSS value
Flow screen
shows “-“
RSS value
*) Bit value is converted into hexadecimal value when transmitted with string over digital
interface