Knick Stratos Multi E401N - Specifications; Inputs and Outputs (SELV, PELV)

Stratos Multi E401N
155
12 Specifications
12.1 Power
Power supply,
terminals 17, 18
80V (-15%) ... 230 (+10%)VAC; approx. 15VA; 45…65Hz
24V (-15%) … 60 (+10%)VDC; 10W
Overvoltage categoryII, protection classII, pollution degree2
Test voltage Type test 3kVAC 1min after moisture pre-treatment
Routine test 1.4kV for 2s
12.2 Inputs and Outputs (SELV, PELV)
Sensor input 1
for Memosens / optical sensors (SE740), galvanically isolated
Data In/Out Asynchronous interface RS-485, 9600/19200Bd
Power supply 3.08V (3.02…3.22V)/10mA, R
i
< 1Ω, short-circuit-proof
Input 2
For analog measuring module / Memosens module, galvanically isolated
Data In/Out Asynchronous interface RS-485, 9600Bd
Power supply 3.08V (3.02…3.22V)/10mA, R
i
< 1Ω, short-circuit-proof
Input OK1, OK2
Galvanically isolated (optocoupler)
Switching between parameter sets A/B, flow measurement, function check
Parameter set switching
(OK1)
Relay input 0… 2V (AC/DC) parameter set A
Relay input 10… 30V (AC/DC) parameter set B
Control current 5mA
Flow
(OK1)
Pulse input for flow measurement 0…100 pulses per second
Display: 00.0…99.9l/h
Message via 22mA, alarm contact or limit contacts
Function check Function check inactive: Switching voltage 0...2V (AC/DC)
Function check active: Switching voltage 10...30V (AC/DC)
Current input
TAN option FW-E051
Current input 0/4...20mA at 50Ω
Input of pressure measured values from external sensors
Supplied current must be galvanically isolated.
Start/end of scale Within range
Characteristic Linear
Resolution Approx. 0.05mA
Measurement error
1)
<1% of current value + 0.1mA
Power Out
Power supply output, short circuit-proof, 0.5 W, for operating the SE740 sensor
Off; 3.1V (2.99…3.25V); 14V (12.0…16.0V); 24V (23.5…24.9V)
Output 1, 2
Out 1, Out 2
0/4...20 mA, floating, load resistance up to 500Ω
Output 1: HART communication with 4...20 mA
Output 2 galvanically connected with outputs 3 and 4
Failure message 3.6mA (with 4 … 20mA) or 22mA, user-defined
Active Max. 11V
Passive Supply voltage 3…24V
Process variable Selection from all available process variables
Start/end of scale Configurable within selected range
Characteristic Linear, bi-/trilinear, or logarithmic
Output filter PT1 filter, filter time constant 0...120s
Measurement error
1)
<0.25% of current value + 0.025mA
1)
At rated operating conditions