Appendices
A - 2
NX-series Position Interface Units User’s Manual (W524)
A-1 Datasheets
This section provides the specifications of the Units.
A-1-1 Models
Incremental Encoder Input Units
Model
Number
of chan-
nels
*1
*1. This is the number of encoder input channels.
External
inputs
Maximum
response
frequency
I/O refreshing
method
Number of
I/O entry
mappings
Remarks Page
NX-EC0112 1 (NPN) 3 (NPN) 500 kHz • Free-Run
refreshing
• Synchronous
I/O refreshing
• Task period pri-
oritized refresh-
ing
Inputs: 1,
Outputs: 1
24-V volt-
age input
P. A - 5
NX-EC0122 1 (PNP) 3 (PNP) P. A-7
NX-EC0132 1 3 (NPN) 4 MHz Line
receiver
input
P. A - 9
NX-EC0142 3 (PNP) P. A-11
NX-EC0212 2 (NPN) None 500 kHz Inputs: 2,
Outputs: 2
24-V volt-
age input
P. A - 1 3
NX-EC0222 2 (PNP) P. A - 1 5
SSI Input Units
Model
Number
of chan-
nels
*1
*1. This is the number of SSI communications input channels.
External
inputs
Maxi-
mum
baud rate
I/O refreshing method
Number of
I/O entry
mappings
Page
NX-ECS112 1 None 2 MHz • Free-Run refreshing
• Synchronous I/O refreshing
• Task period prioritized
refreshing
Inputs: 1,
Outputs: 0
P. A - 1 8
NX-ECS212 2 Inputs: 2,
Outputs: 0
P. A - 2 0
Pulse Output Units
Model
Number
of chan-
nels
*1
*1. This is the number of pulse output channels.
Exter-
nal
inputs
Exter-
nal out-
puts
Maximum
pulse out-
put speed
I/O refresh-
ing method
Number of
I/O entry
mappings
Remarks Page
NX-PG0112 1 (NPN) 2 (NPN) 1 (NPN) 500 kpps • Synchro-
nous I/O
refreshing
• Task
period pri-
oritized
refreshing
Inputs: 1,
Outputs: 1
Open col-
lector out-
put
P. A - 2 4
NX-PG0122 1 (PNP) 2 (PNP) 1 (PNP) P. A-26
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