FLOWSIC100 Operating Instructions
Gas Velocity Monitor
Product Description
30 © SICK MAIHAK GmbH · Germany · All rights reserved 8012513/03-2008
Control unit with integrated purge-air supply
This version is additionally equipped with a purge-air fan, air-filter and purge-air connection
for the connection of purge-air hoses DN 25 (see Section 6.1.5, must be ordered separately)
for the internally cooled sender/receiver units (types FLSE100-MAC and HAC).
Fig. 2.18: Contol unit with integrated purge-air supply
Standard interfaces
Power supply unit (on
back of subplate)
Connection
circuit board
Subplate
Purge-air inlet Pure-air connectors
Purge-air
fan
Air filter
Option
LC-Display
Analog output Analog inputs Relay outputs Digital inputs Communication
1 output 0/2/4 ... 22 mA
(active) for selectable
output of:
• Velocity
• Volume flow a.c.
• Volume flow s.c.
• Temperature,
resolution 12 bits
2 inputs 0 ... 5/10 V
(without electrical
isolation) or 0 ... 20
mA for selectable
input of calculation
variables
(temperature,
pressure, moisture),
resolution 12 bits
5 changeover contacts
(120 V AC, 1 A) to
output the status
signals:
• Operation/
Malfunction
• Maintenance
• Control cycle
• Warning
• Limit value
4 potential-free contacts
for:
• connecting a
maintenance switch
• triggering a control
cycle
• separate zero point
check
• separate span check
• USB 1.1 and RS232
(on terminals) for
measured value
inquiries, setting
parameters and
firmware updates
• RS485 to connect a
sensor
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