Chapter 2 Specifications and System Configuration
2-58
Model
Pulse input External input
4.7 kΩ
Signal signal: 5 – 24 VDC (sinking or sourcing) ; differential signal: 5 V
When the optocoupler is driven, the input LED indicator is ON.
Electrical specifications for the SSI input and output
Model
SSI input SSI output
Number of inputs /
2 (DATA+/DATA-) 2 (CLK+/CLK-)
Action
level
OFF→ON
V
ID
*1
0.2V
-
ON→OFF
V
ID
0.2V
-
Maximum input
1.25 MHz
12 kΩ (terminal resistor 120 Ω)
When the optocoupler is driven, the input LED indicator is ON.
*1: V
ID
is the voltage difference between DATA+ and DATA-.
Electrical specifications for the external outputs
Model
AS02HC-A
Maximum load
-
Maximum
output
frequency
*1
Maximum
OFF→ON
25 μs
Electrical specifications for the +5 V encoder power supply
Model
AS02HC-A
2 (+5 VO/GND)
D-sub 15