Chapter 2 Installation 11
Discrete
Inputs
Current consumption
3.2mA @24VDC
4mA @12VDC
1.3mA @100-240VAC
3.3mA @24VAC
Input Signal ”OFF” Threshold
24VDC: < 5VDC;
12VDC: < 2.5VDC
100-240VAC : < 40VAC
24VAC: <6VAC
Input Signal ”ON” Threshold
24VDC: > 15VDC;
12VDC: > 7.5VDC
100-240VAC : > 79VAC
24VAC: >14VAC
Input On delay
24, 12VDC: 5ms
240VAC: 25ms; 120VAC: 50ms
24VAC: 5ms
Input Off Delay
24, 12VDC: 3ms
240VAC: 90ms; 120VAC: 50ms
24VAC: 3ms
Transistor device compatibility PNP, 3-wire device only
High Speed Input frequency 1kHz
Standard Input frequency < 40 Hz
Required protection Inverse voltage protection required
Analog
Inputs
Resolution
Basic unit: 10 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: A1-A4
Expansion unit: A5-A8
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 10ms (normal condition)
Life expectancy (rated load) 100k operations
Minimum load 16.7mA
T
ransistor
Outputs
PWM max. output frequency 0.5kHz (1ms on,1ms 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
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