MR TRAFOGUARD ISM, Operating Instructions Manual

Page: 208 / 224

10 Technical data
Maschinenfabrik Reinhausen GmbH 2016 208 5163667/00 EN TRAFOGUARD® ISM®
Interfaces
Interface Pin Description
UI 1
UI 3
N L NC NC
N L1 L2 L3
N Voltage input for neutral conductor
L, L1 Voltage input for phase L (UI 1) or L1
(UI 3)
L2 Voltage input for phase L2 (only UI 3)
L3 Voltage input for phase L3 (only UI 3)
Table 52: Voltage measurement
Interface Pin Description
k, k1 Current input for phase L (UI 1) or L1
(UI 3)
l, l1 Current output for phase L (UI 1) or L1
(UI 3)
k2 Current input for phase L2 (only UI 3)
l2 Current output for phase L2 (only UI 3)
k3 Current input for phase L3 (only UI 3)
l3 Current output for phase L3 (only UI 3)
Table 53: Current measurement
Digital inputs and outputs
DIO 28-15
Inputs (plug-
based electri-
cal isolation) Quantity 28
Logical 0 0...10 V AC (RMS)
0...10 V DC
Logical 1 18...260 V AC (RMS)
18...260 V DC (RMS)
Input current min. 1.3 mA
Simultaneity factor
(at 70 °C ambient tem-
perature and input volt-
age ≥ 230 V) max. 50%
Outputs (float-
ing relay out-
puts) Number (number of
change-over contacts in
parentheses) 15 (9)
Contact loadability Alternating current mode:
U
N
: 230 V AC; I
N
: 5 A
Direct current mode: See di-
agram
10.4