Technical data
Digital inputs
Number 2
Operating mode, adjustable active high, active low
Function none, test, reset
Voltage level low DC −5…5 V, high DC 11…32 V
Digital current output
Number 1
Function none, alarm I
ΔL
, alarm
IΔ
n, device error, current transformer connection fault, common alarm,
BS bus malfunction
Current 0 mA DC inactive, 20 mA DC active
Tolerance ±10 %
Load resistance R ≤ 500 Ω / P
R
≥ 0.25 W
Buzzer
Number 1
Function none, alarm I
ΔL
, alarm I
Δn
, device error, CT connection fault, insulation fault location active,
common alarm
Interfaces
Interface/protocol RS-485 | BS-Bus | Modbus RTU
Data rate BS bus 9.6 kBd
Data rate Modbus RTU 9.6 | 19.2 | 37.4 | 57.6 | 115 kBd
Cable length ≤ 1200 m
Cable: twisted pair, shield connected to earth on one side recommended: J-Y(St)Y min. 2 × 0.8
Connection X1.A, X1.B
Terminating resistor 120 Ω, built-in, switchable
Device address, BS bus 0, 2…79 (optional 0, 2…159)
Schaltglieder
Switching elements 2 n/o contacts
Operating mode n/c, n/o
Function of contact 13, 14 none, alarm I
ΔL
, alarm I
Δn
, device error, CT connection fault, common alarm,
BS bus malfunction
76 EDS44x_D00201_10_M_XXEN/11.2023
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