Yokogawa 414 Batch Controller User Manual
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
+
-
1
2
3
4
5
6
7
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