VEGA VEGASEL 643 - Manual (Page 5)

VEGASEL 643 5
Product description
Input 3
1 voltage input
Kind of input passive two-wire input analog
Range 0/2 … 10 V DC
Inner resistor Ri ≥ 100 k Ω
Application direct connection to active voltage output of
e.g. VEGAMET 601, 602 Ex
Switching threshold adjustable via coded key
Min. hysteresis 1 %
Temperature error 0,05 %/10 K of range
Switch point error 0,5 % of adjusted switch point
Connection cable 2-wire (standard line)
Resistor per conductor max. 100 Ω
Electrical connection
Screw terminal max. 1,5 mm 2
Electrical protective measures
Protection
- instrument
IP 30
- terminal socket IP 20
Protection II
Overvoltage category II
Mechanical data
Series module instrument with terminal socket incl.
transparent cover, cover of the sensor terminals,
coded pin, two connection bridges
Mounting carrier rail mounting acc. to DIN 46 277, Bl. 3
Dimensions unassembled W = 36 mm, H = 118,5 mm, D = 134 mm
Weight appr. 170 g
Ambient conditions
Permissible ambient temperature -20 ° C … +60 ° C
Storage and transport temperature -40 ° C … +70 ° C
Relay output
Number 1 output
Contact 1 spdt (open 12 - 13, closed 12 - 14)
AgCdO and Au plated
Turn-on voltage min. 10 mV DC
max. 250 V AC, 60 V DC
Switching current min. 10 µ A DC
max. 2 A AC, 1 A DC
Breaking capacity max. 125 VA, 54 W
Indicating elements
LED in front plate green on: operating voltage on
yellow on: relay energized
Functions
Mode overfill protection (A)
protection against dry running of pumps (B)
Adjustments of the inputs 0 … 20 mA or 4 … 20 mA
0 … 10 V or 2 … 10 V