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Precautions for Safe Use

E5@C Digital Temperature Controllers Communications Manual (H175)

• Do not bend the communications cables past their natural bending radius. Do not pull on the

communications cables.

• For the E5DC, when you attach the Main Unit to the Terminal Unit, make sure that the hooks on the

Main Unit are securely inserted into the Terminal Unit.

• Install the DIN Track vertically to the ground.

• For the E5DC, always turn OFF the power supply before connecting the Main Unit to or

disconnecting the Main Unit from the Terminal Unit, and never touch nor apply shock to the terminals

or electronic components. When connecting or disconnecting the Main Unit, do not allow the

electronic components to touch the case.

• Observe the following precautions when you remove the terminal block or pulling out (draw out) the

interior of the E5GC.

• Always follow the instructions provided in the E5

C Digital Controllers User’s Manual (Cat. No.

H174).

• Turn OFF the power supply before you start and never touch nor apply shock to the terminals or

electric components.

When you insert the interior body of the Digital Controller, do not allow the electronic components

to touch the case.

• Check for any corrosion on the terminals.

• When you insert the interior body into the rear case, confirm that the hooks on the top and bottom

are securely engaged with the case.

• Observe the following precautions when wiring the E5@C-B.

• Follow the procedures given in the E5

C Digital Temperature Controller User’s Manual (Cat. No.

H174).

• Do not wire anything to the release holes.

• Do not tilt or twist a flat-blade screwdriver while it is inserted into a release hole on the terminal

block. The terminal block may be damaged.

• Insert a flat-blade screwdriver into the release holes at an angle.

The terminal block may be damaged if you insert the screwdriver straight in.

• Do not allow the flat-blade screwdriver to fall out while it is inserted into a release hole.

• Do not bend a wire past its natural bending radius or pull on it with excessive force. Doing so may

cause the wire to break.

• Do not use crossover wiring except for the input power supply and communications.

Omron E5DC Communications Manual

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