Communication Connection - Delta TP04P Series Instruction Sheet

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Instruction sheet (20 pages)

Table of Contents

P LC Rela y

out put

S mal ler p ower

D: 1N4001 diode or equi valent c om ponent

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DC power supply

Fuse: To protect the output circuit, a fuse having a breaking capacity within the range

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between 5 A and 10 A is connected to the common terminal.

Transient voltage suppressor: It increases the life span of the terminal.

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1. Diode suppression of the DC load: It will be used if the power is small. (See figure 11.)

2. Diode + Zener suppression of the DC load: It is used when the power is large, and

TP04P is turned on and off frequently. (See figure 12.)

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Incandescent light (resistive load)

Mutually exclusive output: Y4 controls the clockwise rotation of the motor, and Y5

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controls the counterclockwise rotation of the motor. The interlock circuit which is formed,

and the program in the PLC ensure that there are protective measures if an abnormal

condition occurs.

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Incandescent bulb: Neon light

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Absorber: It reduces the interference from the AC load. (See figure 13)

RS-485 Wiring

Master station

Note: 1. The terminal resistor should be connected to the master station and the last slave

station. The resistance of the terminal resistor should be 120Ω.

2. To ensure communication quality, it is suggested that users should use double shielded

twisted pair cables (20AWG) for wiring.