Epson 214D-1 User Manual
Page 45
Input Circuits
37
HP289
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