CompactLogix Packaged Controllers 47
Publication 1769-IN082A-EN-P - July 2008
Isolated groups Group 1: inputs 0 to 7
Group 2: inputs 8 to 15
Isolated groups operate in either sink or source configurations.
Isolation voltage 75V (continuous), Basic Insulation Type
Type tested at 1200V AC for 60 s; Inputs to System Backplane and Input
Group to Input Group
(1)
Sinking/Sourcing Inputs - Sourcing/sinking describes the current flow between the I/O and the field device. Sourcing I/O
circuits supply (source) current to sinking field devices. Sinking I/O circuits are driven by a current sourcing field device. Field
devices connected to the negative side (DC Common) of the field power supply are sinking field devices. Field devices
connected to the positive side (+V) of the field supply are sourcing field devices. Europe: DC sinking input and sourcing
output circuits are the commonly used options.
Embedded DC Output Specifications
Attribute Value
Voltage category 24V DC
Operating voltage range
20.4V DC to 26.4V DC (source
(1)
)
Number of outputs 16
Signal delay, max – resistive load Turn on = 0.1 ms
Turn off = 1.0 ms
Off-State leakage, max
(2)
1.0 mA at 26.4V DC
On-State current, min 1.0 mA
On-State voltage drop, max 1.0V DC at 1.0 A
Continuous current per point, max 0.5A at 60 °C (140 °F)
1.0A at 30 °C (86 °F)
Also see the derating graphs on page 48.
Continuous current per module, max 4.0A at 60°C (140 °F)
8.0A at 30 °C (86 °F)
Also see the derating graphs on page 48.
Surge current, max
(3)
2.0 A (Repeatability is once every 2 seconds for a duration of 10
ms.)
Isolated groups Group 1: outputs 0 to 15 (internally connected to common)
Isolation voltage 75V (continuous), Basic Insulation Type
Type tested at 1200V AC for 60 s; Outputs to System Backplane
Pilot duty rating 0.5 A 24V DC at 60 °C
1.0A 24V DC at 30 °C
Embedded DC Input Specifications
Attribute Value
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