Rockwell-automation 1771-A1B_A2B_A3B_A3B1_A4B SERIES B Universal I/O C Instrukcja Użytkownika Pobierz pdf (Strona 14)

Universal I/O Chassis14

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Your I/O chassis can receive power through:

• processors with integral power supplies that provide 2-4A

• power-supply modules that provide 3-8A

• external power supplies that provide 6.5-16A

(external power supplies are not designed for parallel operation)

Power-supply modules are designed for parallel operation using

1771–CT cables. See your power supply installation documentation

(1771 I/O Chassis and Power Supplies product data, publication

1771–2.185) for possible configurations.

IMPORTANT

The 1772-LSP, -LWP, -LXP, and -LZP processor

modules already contain a power supply so you

can only parallel one additional power-supply

module with these processor modules.

ATTENTION

Do not connect an external power supply

and a power-supply module to the same I/O

chassis; they are incompatible.

WARNING

If you insert or remove any module or power

supply while backplane power is on, an

electrical arc can occur. This could cause an

explosion in hazardous location installations. Be

sure power is removed or the area is

nonhazardous before proceeding.

WARNING

If you connect or disconnect any cable or wiring

with power applied to this module or the device

on the other end of the cable or wire, an

electrical arc can occur. This could cause an

explosion in hazardous location installations. Be

sure power is removed or the area is

nonhazardous before proceeding.

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Rockwell-automation 1771-A1B_A2B_A3B_A3B1_A4B SERIES B Universal I/O C Instrukcja Użytkownika Strona 14