
VPFlowScope M probe
22
© 2016 Van Putten Instruments BV | MAN-VP-SMPR-UK | Revision:1600 | Date:23-03-2016
7
Connectivity
The VPFlowScope M transmitter features various outputs which makes it possible to connect to
energy management systems. This chapter provides information on all options available. Check the
product label to see which options are available on your transmitter.
7.1
LEDS
There are 3 LED's available on the transmitter that indicates the status of the instrument. Various
colors and patterns are available.
Color
Patterns
Descriptions
Green
Blinking at 2 seconds
interval
The transmitter is searching for a VPSensorCartridge
Green
On
VPSensorCartridge detected
Orange
Blinking fast
RS485 communications
Red
On
Active alarm
Red
Blinking at 1 seconds
interval
Error in VPSensorCartridge, read error code via display or
Modbus
7.2
4..20mA output
The 4..20mA output can be used to connect the VPFlowScope M probe to a control system, a
building management system, a multi-meter or any 4..20 mA based SCADA system. The 4..20 mA
output is actively powered from the VPFlowScope M.
There is one 4..20 mA output available on the VPFlowScope M probe. This output can be assigned
to one of the measurement parameters, only one can be selected. For each measurand, a number of
units is available. The factory default is m
n
/sec.
Measurand
Unit
Velocity
m
n
/sec
Velocity
sfps
Flow
m
3
n
/hr
Flow
m
3
n
/min
Flow
m
3
n
/sec
Flow
l
n
/min
Flow
l
n
/sec
Flow
SCFM
Pressure
bar (g)
Pressure
psi (g)
Temperature
deg C
Temperature
deg F
Temperature
K
* All flow & velocity units are under normalized conditions (DIN 1343)