TCG120-4_R1.3
–
May 2022
Page 7
The following picture illustrates how an alarm button can be connected to a digital input of
TCG120-
4. One side of the contact is connected to “Digital In” while the other side is connected
to
the “GND” termina
l.
The maximum cable length for a digital input should be up to 30 meters.
5.2.4.
Analog inputs connection
Attention!
Analog inputs are NOT galvanic isolated.
Analog inputs of TCG120-4 can be used for monitoring DC voltage up to 60VDC. They can be
connected directly to batteries, solar panels, power supplies etc.
The “Multiplier”, “Offset” and “Dimension” for every analog input gives a possibility to monitor
sensors with analog outputs and see directly the measured parameter.
5.2.5.
Relays connection
The relay contacts are internally connected directly to the terminal connectors.
Attention!
There
isn’t
any internal overcurrent protection on the relays’ contact lines
.
For all relays normally open, normally closed and common contacts are available. For loads with
higher switchable current/voltage than specified, an external relay should be used.
Summary of Contents for TCG120-4
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Page 46: ...TCG120 4_R1 3 May 2022 Page 46 Appendix C Fig 1 Fig 2...
