For applications in hazardous areas. Integrated flow monitoring and wire monitoring. Intuitive setting of switch point and medium. For the connection of intrinsically safe flow sensors. Clearly visible multi-colour LED bargraph display
Application
Flow monitoring; Wire monitoring
Operating voltage tolerance [%]
-10...10
Operating voltage [V]
24 DC
Current consumption [mA]
125
Reverse polarity protection
no
Power-on delay time [s]
30
Number of channels
1
Outputs
Electrical design
relay
Contact rating
4 A (250 V AC cos phi > 0,7) ; 0,2 A (250 V DC); 4 A (24 V DC)
Switching function flow monitoring
relay energised when flow is present
Switching function wire break monitoring
relay de-energised in case of wire break
Short-circuit proof
no
Overload protection
no
Software / programming
Adjustment of the switch point
potentiometer
Selection liquids / gases
slide switch
Operating conditions
Ambient temperature [°C]
-20...60
Protection
IP 40
Protection rating terminals
IP 20
Tests / approvals
Approval
PTB 01 ATEX 2075; IECEx PTB 07.0004
ATEX marking
II (1) G[Ex ia Ga] IIC
MTTF [years]
231
Weight [g]
352.5
Housing
housing for DIN rail mounting
Dimensions [mm]
78 x 45 x 120
Materials
plastics
Displays / operating elements
Display
function
11 x LED
switching status
LED, red
Electrical connection
Required protection
miniature fuse to IEC60127-2 sheet 1; ≤ 5 A; fast acting; Place the fuse outside the hazardous area.
Remarks
Caution The control monitor must be mounted outside the hazardous area.
Recommendation Check the safe functioning of the unit after a short circuit.
