Technical data Liquistation CSF48
252 Endress+Hauser
15.6.3 Signal on alarm
Adjustable, as per NAMUR Recommendation NE 43
• In the measuring range 0 to 20 mA (HART is not available with this measuring range):
Error current from 0 to 23 mA
• In measuring range 4 to 20 mA:
Error current from 2.4 to 23 mA
• Factory setting for both measuring ranges:
21.5 mA
15.6.4 Load
Max. 500
15.6.5 Electrical specification
Output voltage
Max. 24 V
15.6.6 Cable specification
Cable type
Recommended: shielded cable
Cable cross-section
Max. 2.5 mm
2
(14 AWG)
15.7 Relay outputs
15.7.1 Electrical specification
Relay types
• 2 x changeover contact connected to binary output (optional)
• 1 single-pin changeover contact (alarm relay)
• 2 or 4 relay cards (optional)
Relay switching capacity
Power unit (alarm relay)
Switching voltage Load (max.) Switching cycles (min.)
230 V AC, cos = 0.8 to 1 0.1 A 700,000
0.5 A 450,000
24 V DC, L/R = 0 to 1 ms 0.1 A 500,000
0.5 A 350,000
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