Omron NX-EC0112, Руководство пользователя

Страница: 264 / 468

7 SSI Input Units
7 - 58 NX-series Position Interface Units User’s Manual (W524)
7-10 General Specifications
The general specifications of the SSI Input Units are given below.
Item Specification
I/O interface Push-in
Number of SSI communications
input channels NX-ECS112: 1 channel
NX-ECS212: 2 channels
I/O signals
Data input (D+, D
−
)
Clock output (C+, C − )
Clock output EIA standard RS-422-A line driver levels
Data input EIA standard RS-422-A line driver levels
Maximum data length 32 bits (The single-turn, multi-turn, and status data length can be set.)
Coding method 0: No change, binary code, or gray code
Baud rate
100 kHz, 200 kHz, 300 kHz, 400 kHz, 500 kHz, 1.0 MHz, 1.5 MHz, or
2.0 MHz
NX Unit power consumption
NX-ECS112
NX-ECS212 : 0.85 W max.
: 0.9 W max.
I/O power supply voltage 20.4 to 28.8 VDC (24 VDC +20%/ − 15%)
Current consumption from I/O
power supply
NX-ECS112
NX-ECS212 : 20 mA max.
: 30 mA max.
I/O power supply method NX bus
Weight
NX-ECS112
NX-ECS212 : 65 g max.
: 65 g max.
Dimensions (Width × Height ×
Depth) NX-ECS112 or NX-ECS212: 12 × 100 × 71 mm
I/O data size
*1
*1. This is the default set value.
NX-ECS112
NX-ECS212 : Inputs: 10 bytes, Outputs: 0 bytes
: Inputs: 20 bytes, Outputs: 0 bytes
Number of I/O entry mappings
*1
NX-ECS112
NX-ECS212 : Inputs: 1, Outputs: 0
: Inputs: 2, Outputs: 0