1 - 31
1 Data List
NX-series Data Reference Manual (W525)
1-6 Position Interface Units
1
1-6-2 SSI Input Units
Items in the Summary Specifications
Data List
1-6-2 SSI Input Units
Item Description
Number of channels The number of SSI communications channels of the Unit.
Number of external
inputs
The number of external inputs of the Unit.
Maximum baud rate
The maximum baud rate (Maximum frequency of synchronous clock) that you can use for SSI
communications.
I/O refreshing method The I/O refreshing methods that are used by the Unit.
Free-Run refreshing, synchronous I/O refreshing and task period prioritized refreshing are avail-
able.
In the following table, the following abbreviations are used.
Free
:
Free-Run refreshing
Sync
: Switching
synchronous I/O refreshing
and
Free-Run refreshing
Task: Switching Free-Run refreshing, synchronous I/O refreshing and task period prioritized
refreshing
Model
Unit configuration data Summary specifications
NX Unit
power
consump-
tion [W]
Current
consump-
tion from
I/O power
supply
[mA]
I/O
pow
er
sup-
ply
met
hod
Weig
ht
[g]
Widt
h
[mm]
I/O
data
size
[byte
]
Num-
ber of
I/O
entry
map-
pings
Number
of
channels
Number of
external
inputs
Maxi-
mum
baud
rate
I/O
refreshing
method
CPU
Cou-
pler
NX-ECS112
1.20 0.85 20 NX
bus
65 12 10/0 1/0 1 None 2 MHz Sync or
Tas k
*1
*1. "Sync" is for Units with unit version 1.1 or earlier. "Task" is for Units with unit version 1.2 or later.
NX-ECS212
1.25 0.90 30 20/0 2/0 2