Yokogawa 414 Batch Controller Manuel d'utilisateur télécharger pdf (Page 42)

40 Input Circuits

Switch Settings

The following switch settings are recommended for different input signal types.

Input Signal Type Input Terminals Switch Settings

CH1

1234567 8

a. Logic Signal, CMOS,

Pulse

9 8 off off off off on off off off

b. Open Collector or

Reed switch

9 8 off off off off on off on off

c. Namur Proximity

(set DC out to 8 volts)

11 9 off off on on on off off off

d. Switch or Reed Switch

with debounce circuit

(200Hz max)

9 8 off off off off on off on on

e. Coil (20mV P-P

minimum)

9 8 off on off off off off off off

f. Coil (low impedance)

22mV pp minimum

9 8 on on off off off off off off

General Specification

Switching Threshold: 2.5 Volts (except for input type c, e and f)

Maximum Input Voltage: 50V peak

Input Impedance

Input type a: 100K

Input types b & d: 10K

Input type c: 1K

Input type e: 100K

Input type f: 2.4K

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Yokogawa 414 Batch Controller Manuel d'utilisateur Page 42