Omron CP1H CPU UNITS - PROGRAMMING 05-2007, Operation Manual

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