Toshiba Programmable Controller PROSEC T3 Manuel d'utilisateur Page 75

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4. Installation and Wiring
4.7
I/O wiring The following module layout is recommended for noise immunity.
Duct for
low-voltage
signals
Duct for
power signals
Power
caUes
I/O modules for
low-voltage system
I/O modules for
power system
DC input module
AC input module
Analog input module DC output module
Analog ou^ut module AC output module
Pulse input module
Relay output module
ASCII module
Data link module
(1) To improve the unit's resistance to signal interference, install
modules for low-voltage signals toward the left of the unit, and
modules for power signals toward the right. Also, separate the
wires of each,
(2> Allow at least too mm (4 in) clearance between the units and
between other control equipment to allow access for
maintenance and ventilation,
(3) When installing the unit near high-voltage or high-power
equipment, leave at least 200 mm (8 in) clearance, or shield the
unit with a steel plate.
User's manual - Hardware 67
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