73
A051454
Fig. 18.2.1.-1 Two static binary inputs and output modules
18.2.2. Electromechanical
In the electromechanical module, digital inputs are implemented with
optocouplers and digital outputs are implemented with electromechanical
relays.
REF542plus can be equipped with 2 different electromechanical module
types, BIO2 and BIO3. The modules are functionally equivalent, with slight
variations. These modules are available in different versions. For more
information, refer to the REF542plus Technical Catalogue.
18.2.2.1. BIO3
Twelve different types of BIO3 are available depending upon the supply
voltage and other features.
Table 18.2.2.1.-1 BIO3 types and codes
BIO3 Code Description
1VCF750132R0801 Binary I/O3 - 20..90 VDC/14VDC Standard
1VCF750132R0803 Binary I/O3 - 20..90 VDC/14VDC Standard with
Static Channel
1MRS755869
Multifunction Protection and Switchgear Control
Unit
Operator's manual
REF542plus