Endress+Hauser nivotester FTL 325 P, Руководство по эксплуатации

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Nivotester FTL325P, 3-channel Technical data
Hauser 39
13 Technical data
13.1 Supply voltage
13.1.1 Alternating current version (AC)
Voltage range: 85 to 253 V
AC
, 50/60 Hz
13.1.2 Direct current version (DC)
• Voltage range: 20 to 30 V
AC
/ 20 to 60 V
DC
• D/C power supply:200 mA
• Permissible residual ripple within tolerance: U
ss
= maximum 2 V
13.2 Power consumption
AC
maximum 4.2 W
DC
4.0 W (at U
min
20 V)
13.3 Output signal
• Relay output per channel: a potential-free changeover contact for the level alarm
• Quiescent current fail-safe mode: MIN/MAX safety can be selected with DIL switch
• 1 fault-signaling relay for channels 1, 2 and 3 (one potential-free changeover contact,
but it is only possible to connect to two contacts)
• Switching delay: approx. 0.5 s
• Operating life: at least 10 5 switching operations with maximum contact load
• Relay contact switching capacity:
Alternating voltage (AC)
U ~ maximum 250 V
I ~ maximum 2 A
P ~ maximum 500 VA with cos φ ≥ 0.7
Direct current (DC)
U = maximum 40 V
I = maximum 2 A
P = maximum 80 W
13.4 Ambient temperature range
• For single installation: –20 to +60 °C (–4 to 140 °F)
• For side-by-side installation without lateral spacing: –20 to +50 °C (–4 to +122 °F)
• For installation in protective housing: –20 to +40 °C (–4 to +104 °F)
A maximum of four single-channel Nivotester devices or a maximum of two 3-channel
Nivotester devices or a maximum of two single-channel Nivotester devices plus one 3-
channel Nivotester device may be installed.
• Storage temperature: –20 to +85 °C (–4 to 185), preferably at 20 °C (68 °F)