Omron CP1H CPU Operation Manual page 98

Specifications
Input terminal
block
Word Terminal/ Normal
Bit inputs
CIO 1 00 Normal input
6
01 Normal input
7
02 Normal input
8
03 Normal input
9
04 Normal input
10
05 Normal input
11
Note
Input Specifications
Special High-speed Counter Inputs
Item High-speed counter inputs, phase A and
Input voltage RS-422A line-driver, AM26LS31 or equivalent (See note.)
Applicable inputs Line-driver inputs
Input current 10 mA typical
Circuit configuration
+
−
ON/OFF delay • 1-MHz 50% duty ratio pulses, in phase-A or
phase-B pulse plus direction input mode, incre-
ment mode, or up/down mode
ON
OFF
• Differential phase mode
Phase A
Phase B
Note
64
Input operation setting
Interrupt
inputs response
(See note.)
Interrupt Quick-response
input 2 input 2
Interrupt Quick-response
input 3 input 3
Interrupt Quick-response
input 4 input 4
Interrupt Quick-response
input 5 input 5
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Set using the MSKS instruction in direct mode or counter mode.
phase B
330 Ω
680 Ω
180 pF
Internal
circuits
330 Ω
1 µs min.
0.5 µs min.
0.5 µs min.
2 µs min.
ON
OFF
ON
OFF
T T T
1 2
: 0.5 µs min.
T , T , T , T
1 2 3 4
The power supply at the line-driver must 5 V ±5% max.
High-speed counter
operation setting
Quick- High-speed counters 0 to 3
set to be used.
inputs
High-speed counter 3
(phase-Z/reset)
---
---
---
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High-speed counter inputs, phase Z
13 mA typical
+
560 Ω
−
• Phase Z
ON
OFF
T
3 4
Section 2-2
Origin search
function
Origin search
function for pulse
outputs 0 and 1 set
to be used.
Pulse 3 origin input
signal
Pulse 2 origin input
signal
Pulse 1 origin input
signal (open collector)
Pulse 0 origin input
signal (open collector)
Pulse 1 origin proxim-
ity input signal
Pulse 0 origin proxim-
ity input signal
180 Ω
6800 pF
Internal
circuits
180 Ω
90 µs min.