Chapter 2 Installation
12
Analog Inputs
Resolution
Basic unit: 12 bit
Expansion unit: 12bit
Voltage Range acceptable
Basic unit: Analog input: 0-10VDC voltage,
24VDC when used as discrete input;
Expansion unit: Analog input: 0-10VDC voltage or
0-20mA current
Input Signal ”OFF” Threshold
< 5VDC (as 24VDC discreet input)
Input Signal ”ON” Threshold
> 9.8VDC (as 24VDC discreet input)
Isolation None
Short circuit protection
Yes
Total number available
Basic unit: A01-A04
Expansion unit: A05-A08
Relay Outputs
Contact material
Ag Alloy
Current rating
8A
HP rating
1/3HP@120V 1/2HP@250V
Maximum Load
Resistive: 8A /point
Inductive: 4A /point
Maximum operating time
15ms (normal condition)
Life expectancy (rated load)
100k operations
Minimum load
16.7mA
Transistor Outputs
PWM max. output frequency
1.0kHz (0.5ms on,0.5ms off)
Standard max. output frequency
100Hz
Voltage specification
10-28.8VDC
Current capacity
1A
Maximum Load
Resistive: 0.5A/point
Inductive: 0.3A/point
Minimum Load
0.2mA