H 7017 (0641)
All rights reserved. Equipment subject to change without notice: 485
HIMA Paul Hildebrandt GmbH + Co KG, P.O. Box 1261, 68777 Brühl
H 7017
H 7017: Shunt with low-pass filter
• for current measurement with analog input modules
• as a module for mounting on a DIN rail
Figure 1: Block diagram
If analog input modules operate under extreme ambient conditions or not according to the
HIMA recommendations there can be interferences or interspersions in the module channels.
The module H 7017 is used in these cases as a module for a current measuring with the analog
input modules.
The module H 7017 can operate with e.g. the following modules:
• F 6217 8-channel analog input module
Elimination of interferences at sensors with high dynamic signals
• F 6251 (Planar F) or 62100 (Planar4) 2-fold limit monitor
Increase of noise immunity (10 V) according to IEC 61000-4-6 at use with unshielded
cables.
The module comprises four identical functions: for each a shunt with a subsequent low-pass
filter.
The filter is equipped with a triple redundancy. So it is ensured that the input signal is continu-
ously measured even if there is an interruption of a filter resistor. In case of an error, for the
tantalum capacitors increased leakage currents have to be assumed.
When using the module H 7017 the shunts in the analog input mo-
dules must be unsoldered (modified cable plug) otherwise the current
measurement would be tampered. Further details you will find in the
corresponding data sheets.
X1.1
X1.2
X2.8
X2.7
X1.3
X1.4
X2.6
X2.
X1.5
X1.6
X2.4
X2.3
X1.7
X1.8
X2.2
X2.1
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