Chromalox 2110 Bedienungsanleitung PDF herunterladen (Seite 11)

2110 Temperature Controller

Chromalox 2110

Good Wiring

Practices

Separate wire into bundles—When planning the system wiring,

separate wiring into functionally similar bundles, e.g.

• Powerleads

• Sensorleads(ifpowerleadsmustcrosssensorleads,theyshould

cross at a 90° angle)

• Outputsignallines

Separate sources of electrical noise—Locate all sources of electrical

noise in your system, and separate these sources from the control

system, e.g.

• Motors

• Contacts

• Solenoids

Electrical noise can affect the function of any control system. When

driving a contactor coil or other inductive load, an appropriate rated

AC snubber circuit is recommended (Chromalox Part No. 0149-01305).

Connect before power is applied—Make all electrical wiring connec-

tions to the back of the controller before power is applied to the unit.

omply with regulations—WARNING: All wiring practices must com-

ply with local regulations. Failure to do so could result in damage to

controller and/or personal injury or death from electrical shock.

This instrument is intended for panel mounting and the terminals

must be enclosed within a panel. Use National Electric Code (NEC)

Class 1 wiring for all terminals except the sensor terminals.

Check wiring decal—Check the wiring decal on the side of the unit

to verify the model number. The wiring decal shows the wiring ter-

minations. All wiring will be connected to the terminals on the back

of the instrument case. Speciﬁc wiring instructions for different input

and output types are given in this section. See also Figure 3.5.

Additional information—For sensor wiring practices, see “Sensor

Input Wiring”. For additional information on good wiring practice, re-

quest IEEE Standard No. 518-1982 from IEEE, 345 East 47

St., New

York, NY 10017 or www.ieee.org.

Section 3–Installation and Wiring

Figure 3.5

Wiring Terminal Identification

COM

Sensor Input

Wiring

Output

Wiring

(S1, S2)

Output Wiring

(R1, R3, V0, or S0)

Instrument

Power Wiring

Alarm Wiring

1 2 ... 6 7 8 9 10 11 12 13 14 15 16 ... 27 28

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