3108
Isolated repeater / splitter
3108
– Isolation and conversion of current signals
– Slimline housing of 6 mm
– Response time <7 ms
– Splitter function: 1 in - 2 out
– Simple - no setup needed
Application
• Isolation and conversion of standard DC signals.
• Galvanic separation of analog current signals.
• Elimination of ground loops and measurement of floating
signals.
• A competitive choice in terms of both price and technology for
galvanic isolation of current signals to SCADA systems or
PLC equipment.
• Installation in ATEX Ex zone 2 / IECEx Zone 2 / FM division
2.
• Suitable for environments with high vibration stress, e.g.
ships.
Connections
Technical characteristics
• The input is protected against overvoltage and polarity error.
• Factory-calibrated measurement ranges.
• Inputs and outputs are floating and galvanically separated.
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Environmental Conditions
Specifications range.......................................
Storage temperature......................................
Calibration temperature.................................
Relative humidity............................................
Protection degree...........................................
Installation in..................................................
Output specifications
-25°C to +70°C
-40°C to +85°C
20...28°C
< 95% RH (non-cond.)
IP20
Pollution degree 2 &
measurement / overvoltage
cat. II
Mechanical specifications
Dimensions (HxWxD).....................................
Weight approx................................................
DIN rail type...................................................
Wire size........................................................
113 x 6.1 x 115 mm
70 g
DIN EN 60715/35 mm
0.13 x 2.5 mm2 / AWG 26...12
stranded wire
Screw terminal torque.................................... 0.5 Nm
Current output: Signal range.........................
Load (max.)....................................................
Load stability, current output..........................
Current limit....................................................
*of span..........................................................
0...20.5 mA (span)
23 mA/300 Ω
≤0.01% of span/100 Ω
≤ 28 mA
= 0...20 mA
Approvals
EMC............................................................... EN 61326-1
LVD................................................................ EN 61010-1
ATEX.............................................................. KEMA 10ATEX0147 X
IECEx............................................................. KEM 10.0068X
FM.................................................................. 3041043-C
GOST R......................................................... Yes
DNV Marine.................................................... Stand. f. Certific. No. 2.4
GL.................................................................. V1-7-2
UL................................................................... UL 61010-1
Common specifications
Supply voltage...............................................
Max. power consumption...............................
Internal consumption......................................
Isolation voltage, test.....................................
Isolation voltage, working...............................
Signal / noise ratio.........................................
Response time (0...90%, 100...10%).............
Accuracy........................................................
Temperature coefficient.................................
EMC immunity influence................................
Extended EMC immunity: NAMUR
NE 21, A criterion, burst.................................
16.8...31.2 VDC
0.8 W
0.4 W (typ.) / 0.65 W (max.)
2.5 kVAC
300 VAC/250 VAC (I.S.)
> 60 dB
< 7 ms
< ±0.05% of span
< ±0.01% of span / °C
< ±0.5% of span
< ±1% of span
Input specifications
Current input: Measurement
range.............................................................. 0...20.5 mA
Functional range, current
input............................................................... 0...23 mA
Input voltage drop.......................................... < 1.5 VDC
3108-022514
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