Technical data

24 Rockwell Automation Publication 1769-TD005I-EN-P - August 2014
CompactLogix Controllers Specifications
Embedded HSC Temperature Derating
Figure 3 - Maximum Input Voltage - 24V DC Operation
Figure 4 - Maximum Output Voltage - 24V DC Operation
Temperature Derated Voltage
(1)
(1) Input voltage derating between 55 °C and 60 °C (131 °F and 140 °F) is achieved by using a dropping resistor.
For 24V DC input voltage, use a 2.4 kΩ, 1/2 W resistor.
For input voltages other than 24V DC, use a 1/2 W resistor with value: 125 x (V
in
- 5V).
40 °C (104 °F) 30V DC
55 °C (131 °F) 26.4V DC
60 °C (140 °F) 5V DC
Temperature Derated Voltage
40 °C (104 °F) 30V DC
55…60 °C (131…140 °F) 26.4V DC
0
5
10
15
20
25
30
35
0 (32) 10 (50) 20 (68) 30 (86) 40 (104) 50 (122) 60 (140) 70 (158)
Voltage Derating Based on Temperature
Ambient Temperature °C (°F)
Volts (DC)
26.4V DC @ 55 °C (131 °F)
26
27
28
29
30
31
0 (32)
10 (50) 20 (68) 30 (86) 40 (104) 50 (122) 60 (140) 70 (158)
Voltage Derating Based on Temperature
Volts (DC)
Ambient Temperature °C (°F)
26.4V DC @ 55 °C (131 °F)