User manual

890 USE 145 00
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512/612 Modicon Micro PLCs
Connecting the PLC to a Programming Panel
A programming panel—for example, the
520VPU19200 Hand-held Programmer*
(HHP) or a personal computer running
Modsoft programming software—can be
connected to the PLC at one of its two
RS-232 ports, comm 1 or comm 2.
RS-232 Port Locations on the Bottom of a PLC
RJ45 Connectors at the RS-232 Ports
Front of the unit
Back of the unit
RS-232 Cable Cables
Standard eight-position, foil-shielded,
flat telephone cables with male RJ45
connectors on each end are used to
connect the units. Three premade
cable assemblies are available:
RS-232 Communications Cables
Length Part Number
1 m (3 ft) 110XCA28201
3 m (10 ft)
6 m (20 ft)
110XCA28202
110XCA28203
* Does not support the 61204.
RS-232 Cable Connectors
Two female D-shell adapters are avail-
able from Modicon for PLC-to-computer
connections—a (110XCA20300) 9-pin
adapter for PC-AT type computers and
a (110XCA20400) 25-pin adapter for
PC-XT type computers.
These adapters come equipped with an
RJ45 jack that allows them to clip di-
rectly onto a cable assembly. Details
are shown on the following page.