Watlow Series 104 Manual de usuario descargar pdf (Pagina 3)

3 ■ Watlow Series 104 User’s Manual

Thermocouple

Figure 2a — Thermocouple wiring.

NOTE: When an external device with a non-isolated circuit common

is connected to the switched dc output, you must use an isolated or

ungrounded thermocouple.

2- and 3-wire RTD

Figure 2b — 2- and 3-wire RTD wiring.

Electromechanical Relay, Form C, 8A

104E - _ _ _ _ - _ 00

Solid-State Relay, Form A, 0.5A

104K - _ _ _ _ - _ 000

Figure 2c — Electromechanical and solid-state relay wiring.

NOTE: NC is available only with 104E.

Switched DC

104C - _ _ _ _ - 0000

Figure 2d — Switched dc wiring.

WARNING: We strongly recommend that all control loops use an

approved temperature limit for over or under temperature limit

protection. Failure to install a temperature limit for protection

where a potential hazard exists could result in damage to

equipment.

100

150

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250

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400

450

500

External

Device

DC - DC +

100

150

200

250

300

350

400

450

500

External

Device

Fuse

Output Wiring

100

150

200

250

300

350

400

450

500

3-wire RTD

100

150

200

250

300

350

400

450

500

2-wire RTD

100

150

200

250

300

350

400

450

500

TC +

TC -

Input Wiring

1 2 3 4 5 6

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Watlow Series 104 Manual de usuario Pagina 3

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