36
SM-I/O 24V Protected User Guide
www.controltechniques.com
Issue Number: 2
7
Terminal specification
*Digital input 4 only with Commander SK.
Digital inputs are positive logic only.
NOTE
1
0V
2
0V
3
Digital I/O 1
4
Digital I/O 2
5
Digital I/O 3
6
Digital I/O 4*
Type
Programmable positive logic digital input or output
Operating as an input
Absolute maximum voltage range
+60V (drive trip generated when input exceeds
+35V)
-30V
Load
>2mA @ 15Vdc
Input switching threshold
10V ±0.8V
Operating as an output
Maximum output current
40mA
Total of all 4 outputs
40mA
Output voltage when servicing 10mA
20.5V to 27V
Typical input current @ 15V
2.8mA
Typical input current @ 5V
0.9mA
7
Digital input 5
8
Digital input 6
9
Digital input 7
Type
Positive logic digital input
Absolute maximum voltage range
+60V (drive trip generated when input exceeds
+35V)
-30V
Load
>2mA @ 15Vdc
Input switching threshold
10V to ±0.8V
Typical input current @ 15V
2.8mA
Typical input current @ 5V
0.9mA
10
Analogue output 1
Type of output
Unipolar current source
Current range
0-20, 20-0, 4-20, 20-4 (mA)
Maximum offset (0
Ω
load)
±1mA typical
Maximum output voltage for stated accuracy
12V
Maximum load resistance
600
Ω
Resolution
12 bits
Scale accuracy
5%
Summary of Contents for SM-I/O 24V Protected
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