Cabling; Power Supply; Rs232 (Standard) - semaphore TBOX LT2-530 Series User Manual

20. Cabling

20.1. Power Supply

PS & RS Connector
Backup
Battery
A power supply of minimum 20 VDC is required to charge the external 12 V backup battery.
When the voltage at Vin disappears, the 12 V backup battery powers
Below 10 V, the external backup battery is automatically disconnected and
restart when applying voltage at Vin.
The Gnd connection should be used only for power supply. DON'T USE IT TO CABLE Analog
Inputs (see Appendix H)

20.2. RS232 (standard)

DB9 Female
to PC
As an alternative, you can use a standard serial cable, cut one of the ends and cable directly to
the TB LT2
OX
Version : 1.09
Bat
Gnd
CTS - 8
RTS - 7
Gnd - 5
Gnd
Tx - 3
Rx
Rx - 2
Tx
connector.
Connector: Spring Cage Terminal block
(see chapter 3.4)
Vin
Gnd
Connector: Spring Cage Terminal block
(see chapter 3.4)
+8.. +30 VDC
0 VDC
TB LT2 down to 10 V.
OX
TB LT2 will
OX
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