Knick MemoRail A1401 Manual Del Usuario página 10

Specifications
MemoRail
Memosens input
Power supply
Interface
Transfer rate
Max. cable length
Output 1 (OUT 1)
Internally supplied
Externally supplied (order version) Current sink 4 ... 20 mA / 3 ... 30 V SELV
Measured variable
Characteristic
Overrange
Measurement error
Temperature coefficient
Span
Output 2 (OUT 2)
Internally supplied
Externally supplied (order version) Current sink 4 ... 20 mA / 3 ... 30 V SELV
Measured variable
Characteristic
Overrange
Measurement error
Temperature coefficient
Span
Power supply
Supply through DIN rail bus
connector (option)
EMC
Emitted interference
Immunity to interference
10
Interface for Memosens
V 0 = 3.05 ... 3.15 V/ R i < 5 ohms / I ≥ 8 mA
RS 485
9600 Bd
100 m
With internal or external supply (optional)
Current source 4 ... 20 mA / 10 V
(power supply with double / reinforced insulation)
pH/ORP, OXY, COND, CONDI (see switch position S0, S1)
Linear, rising
< 3.6 mA or 22 mA signal for error messages, selectable (S6)
< 0.25% current value + 0.025 mA
< 50 ppm/K full scale
Adjustable (see switches S3, S4, S5)
With internal or external supply (optional)
Current source 4 ... 20 mA / 10 V
(power supply with double / reinforced insulation)
Temperature
Linear, rising
< 3.6 mA or 22 mA signal for error messages, selectable (S6)
< 0.25% current value + 0.025 mA
< 50 ppm/K full scale
Adjustable (see switch S6)
Terminals 1.1 and 1.2
90 (-10%) ... 230 (+ 10 %) V AC; < 5 VA, 45 ... 65 Hz
24 (± 25 %) V DC, < 2.5 W
Supply: 24 (± 25 %) V DC, < 2.5 W
EN 61326
Class B (residential area)
Industry