CompactLogix Power Supply

The CompactLogix power supply is a product used for industrial purposes. `It is designed and manufactured by Allen-Bradley/Rockwell Automation. It falls under the category of Programmable Logic Controller or PLC accessories. The CompactLogix power supplies provide power through the CompactLogix backplane which is a common feature built inside the 1768 and 1769 power supply, controller, and I/O module series. It has two variants which further have different modules. This product is designed to be used in an industrial environment and Pollution Degree 2. This product is classified as Class A industrial equipment.

Product Series: 

The CompactLogix power supply has two series: 

• 1768 series 
• 1769 series 

Both series are similar in function but vary in input parameters, output parameters and some other attributes. User can refer to the details of necessary parameters from sections below before selecting the CompactLogix power supply for their system. 

1768 Series: 

The CompactLogix 1768 series is one of the two variants of CompactLogix power supply. It is used for industrial purposes. The 1768 CompactLogix power supply is a dual input supply and can also operate in multiple ranges. It also provides 24V DC external power supply for ease of the user. It has two modules:  

• 1768-PA3 
• 1768-PB3 

Both variants have different input parameters, output parameters and some other attributes. User has to identify the system requirements in order to use the CompactLogix power supply. The details for both series are provided as under: 

1768-PA3: 

The details of technical parameters and specifications for 1768-PA3 CompactLogix power supply are given below: 

Input voltage range:  The input voltage ranges from 85-265V AC and 108-132V DC for safe operation of the power supply. 

Normal Input voltage: The normal input voltage for the 1768-PA3 power supply is 120/220V AC. 

Maximum input power: The maximum input power range for the 1768-PA3 power supply is 120VA or 120W. 

Maximum output power: The maximum output power for 1768-PA3 power supply is 90W. 

Minimum output power: The maximum input power for 1768-PA3 power supply is 6W. 

Isolation voltage: The isolation voltage for reinforced insulation type is 250 V. This is assessed at 4250V DC for 60 seconds. The isolation voltage for basic insulation type is 150 V. This is assessed at 2200V DC for 60 seconds. 

Mounting: The 1768-PA3 power supply can be mounted on either a panel mount or a DIN rail depending upon the system configuration or arrangement. 

Wire size for input terminal: The input terminal wire size specifications are as under: 

• Wire size of 14 AWG or 2.5 mm². 
• Stranded or solid copper wire with rating of 70ᵒ C or 167ᵒ F. 
• Maximum insulation of 1.2mm.  

Wire size for output terminal: The output terminal wire size specifications are given below: 

• Wire size of 14-22 AWG or 0.25-2.5 mm². 
• Stranded or solid copper wire with rating of 70ᵒ C or 167ᵒ F. 
• Maximum insulation of 1.2mm.  

 Other specifications: Some other important specifications for the 1768-PA3 power supply include: 

• The maximum inrush current of 50A within range of 80-132V AC and 80A within voltage range of 195-265V AC. 
• The maximum power dissipation of 30W. 
• Input frequency range of 47-63 Hz. 
• It also has overcurrent protection. 
• The structure dimensions are 131.25 × 132.75 × 105.50 mm. 
• It has a weight of approximately 0.98 kg or 2.15 lb. 
• The mounting screw torque is 1.16 Nm. User must use M4 or #8 screws. 
• The conductor screw torque is 0.6 Nm. 
• The North American temperature code for 1768-PA3 is T4. 

1768-PB3: 

The details of technical parameters and specifications for 1768-PB3 CompactLogix power supply are given below: 

Input voltage range:  The input voltage ranges from 16.8-31.2V DC for safe operation of the power supply. 

Normal Input voltage: The normal input voltage for the 1768-PB3 power supply is 24V DC. 

Maximum input power: The maximum input power range for the 1768-PB3 power supply is 112 W. 

Maximum output power: The maximum output power for 1768-PB3 power supply is 90W. 

Minimum output power: The maximum input power for 1768-PB3 power supply is 6W. 

Isolation voltage: The isolation voltage for reinforced insulation type is 250 V. This is assessed at 4250V DC for 60 seconds. The isolation voltage for basic insulation type is 150 V. This is assessed at 2200V DC for 60 seconds. 

Mounting: Like 1768-PA3 power supply, the 1768-PB3 power supply can also be mounted on either a panel mount or a DIN rail depending upon the system configuration or arrangement. 

Wire size for input terminal: The input terminal wire size specifications are given below: 

• Wire size of 14 AWG or 2.5 mm². 
• Stranded or solid copper wire with rating of 70ᵒ C or 167ᵒ F. 
• Maximum insulation of 1.2mm.  

Wire size for output terminal: The output terminal wire size specifications are as under: 

• Wire size of 14-22 AWG or 0.25-2.5 mm². 
• Stranded or solid copper wire with rating of 70ᵒ C or 167ᵒ F. 
• Maximum insulation of 1.2mm.  

 Other specifications: Some other important specifications for the 1768-PB3 power supply include: 

• The maximum inrush current of 50A within range of 16.8-31.2V DC. 
• The max power dissipation of 22 W. 
• It also has overcurrent protection. 
• It has a weight of approximately 1.01 kg or 2.22 lb. 
• The structure dimensions are 131.25 × 132.75 × 105.50 mm. 
• The mounting screw torque is 1.16 Nm. User must use M4 or #8 screws. 
• The conductor screw torque is 0.6 Nm. 
• The North American temperature code for 1768-PB3 is T4. 

Based upon the above details and technical specifications, user can easily select either 1768-PA3 or 1768-PB3 CompactLogix power supply depending on the system requirements. 

1769 Series: 

The CompactLogix 1769 series is the second variant of CompactLogix power supply series. It is used for industrial purposes. The 1769 CompactLogix power supply series can support up to 8 I/0 modules on both sides. For this purpose, the I/O modules have different power supply distance rating. The 1769 series has four different modules:  

• 1769-PA2 
• 1769-PB2 
• 1769-PA4 
• 1769-PB4 

All four modules have different input parameters, output parameters and other attributes. User has to identify the system requirements in order to use the CompactLogix I/O power supply. The details for these modules are provided as under: 

1769-PA2:

The details of technical parameters and specifications for 1769-PA2 CompactLogix I/O power supply are given below: 

Input voltage range:  The input voltage ranges from 85-265V AC for safe operation of the power supply. 

Normal Input voltage: The normal input voltage for the 1769-PA2 power supply is 120/220V AC. 

Power consumption: The power consumption for the 1769-PA2 power supply is 100VA at 120 V AC or 130V at 240V AC. 

Current Capacity: For 1769-PA2 CompactLogix I/O power supply: 

• The current capacity at 5V is 2.0A. 
• The current capacity at 24V is 0.8A. 

1769-PA2 distance rating: The maximum rating for 1769-PA2 power supply is eight. That is, 8 I/O modules can be connected to the either side of the power supply for maximum 16 modules. 

Isolation voltage: The isolation voltage for reinforced insulation type is 265 V. This is assessed at 2596V DC for one second, AC power input to system and AC power input to 24V DC user power. 

Mounting: The 1769-PA2 power supplies can be mounted on either a panel mount or a DIN rail depending upon the system configuration or arrangement. 

Wire size specifications: The input terminal wire size specifications are given below: 

• Wire size of 14 AWG or 2.5 mm². 
• Stranded or solid copper wire with rating of 90ᵒ C or 194ᵒ F. 
• Maximum insulation of 1.2mm.  

Fuse type: The fuse type for 1769-PA2 CompactLogix I/O power supply include: 

• Wickmann 19195-3.15A. 
• Littelfuse 02183.15MXP 

 Other specifications: Some other important specifications for the 1769-PA2 power supply include: 

• The maximum inrush current of 25A at 132V AC. 
• The max power dissipation of 8W at 60ᵒ C or 140ᵒ F. 
• It also has overcurrent protection. 
• The structure dimensions are 118 × 70 × 87 mm. 
• It has a weight of approximately 525 g or 1.16 lb. 
• The mounting screw torque is 1.16 Nm. 
• The conductor screw torque is 0.6 Nm. 
• The North American temperature code for 1769-PA2 is T3C. 

1769-PB2: 

The details of technical parameters and specifications for 1769-PB2 CompactLogix I/O power supply are given below: 

Input voltage range:  The input voltage ranges from 19.1-31.2V AC for safe operation of the power supply. 

Normal Input voltage: The normal input voltage for the 1769-PB2 power supply is 24V DC. 

Power consumption: The power consumption for the 1769-PB2 power supply is 50VA at 24 V DC. 

Current Capacity: For 1769-PB2 CompactLogix I/O power supply: 

• The current capacity at 5V is 2.0A. 
• The current capacity at 24V is 0.8A. 

1769-PB2 distance rating: The maximum rating for 1769-PB2 power supply is eight. That is, 8 I/O modules can be connected to the either side of the power supply for maximum 16 modules. 

Isolation voltage: The isolation voltage for reinforced insulation type is 75V. This is assessed at 1697V DC for one second and DC power input to the system. 

Mounting: The 1769-PB2 power supply can be mounted either on a panel mount or a DIN rail depending upon the system configuration or arrangement. 

Wire size specifications: The input terminal wire size specifications are given below: 

• Wire size of 14 AWG or 2.5 mm². 
• Stranded or solid copper wire with rating of 90ᵒ C or 194ᵒ F. 
• Maximum insulation of 1.2mm.  

Fuse type: The fuse type for 1769-PB2 CompactLogix I/O power supply include: 

• Wickmann 19193-6.5A. 
• Littelfuse 021706.3MXP 

 Other specifications: Some other important specifications for the 176-PB2 power supply include: 

• The maximum inrush current of 30A at 31.2V DC. 
• The max power dissipation of 7.5W at 60ᵒ C or 140ᵒ F. 
• It also has overcurrent protection. 
• The structure dimensions are 118 × 70 × 87 mm. 
• It has a weight of approximately 525 g or 1.16 lb. 
• The mounting screw torque is 1.16 Nm. 
• The conductor screw torque is 0.6 Nm. 
• The North American temperature code for 1769-PB2 is T3C. 
• The IEC temperature code for 1769-PB2 is T4. 

1769-PA4:

The details of technical parameters and specifications for 1769-PA4 CompactLogix I/O power supply are given below: 

Input voltage range:  The input voltage ranges from 85-265V AC or 170-265V AC for safe operation of the power supply. 

Normal Input voltage: The normal input voltage for the 1769-PA4 power supply is 120/220V AC. 

Power consumption: The power consumption for the 1769-PA4 power supply is 200VA at 120 V AC or 240VA at 240V AC. 

Current Capacity: For 1769-PA4 CompactLogix I/O power supply: 

• The current capacity at 5V is 4.0A. 
• The current capacity at 24V is 2.0A. 

1769-PA4 distance rating: The maximum rating for 1769-PA4 power supply is eight. That is, 8 I/O modules can be connected to the either side of the power supply for maximum 16 modules. 

Isolation voltage: The isolation voltage for reinforced insulation type is 2565V. This is assessed at 2596V DC for one second and AC power input to system. 

Mounting: The 1769-PA4 power supplies can be mounted either on a panel mount or a DIN rail depending upon the system configuration or arrangement. 

Wire size specifications: The input terminal wire size specifications are given below: 

• Wire size of 14 AWG or 2.5 mm². 
• Stranded or solid copper wire with rating of 90ᵒ C or 194ᵒ F. 
• Maximum insulation of 1.2mm.  

Fuse type: The fuse type for 1769-PA4 CompactLogix I/O power supply include: 

• Wickmann 19195-3.15A. 
• Littelfuse 02183.15MXP 

 Other specifications: Some other important specifications for the 1769-PA4 power supply include: 

• The maximum inrush current of 25A at 132V AC. 
• The max power dissipation of 18W at 60ᵒ C or 140ᵒ F. 
• It also has overcurrent protection. 
• The structure dimensions are 118 × 70 × 87 mm. 
• It has a weight of approximately 630 g or 1.39 lb. 
• The mounting screw torque is 1.16 Nm. 
• The conductor screw torque is 0.6 Nm. 
• The North American temperature code for 1769-PA4 is T3C. 

1769-PB4: 

The technical parameters and specifications for 1769-PB4 CompactLogix I/O power supply are given below: 

Input voltage range:  The input voltage ranges from 19.1-31.2V AC for safe operation of the power supply. 

Normal Input voltage: The normal input voltage for the 1769-PB4 power supply is 24V DC. 

Power consumption: The power consumption for the 1769-PB4 power supply is 100VA at 24 V DC. 

Current Capacity: For 1769-PB4 CompactLogix I/O power supply: 

• The current capacity at 5V is 4.0A. 
• The current capacity at 24V is 2.0A. 

1769-PB2 distance rating: The maximum rating for 1769-PB4 power supply is eight. That is, 8 I/O modules can be connected to the either side of the power supply for maximum 16 modules. 

Isolation voltage: The isolation voltage for reinforced insulation type is 75V. This is assessed at 1697V DC for one second and DC power input to the system. 

Mounting: The 1769-PB4 power supplies can be mounted either on a panel mount or a DIN rail depending upon the system configuration or arrangement. 

Wire size specifications: The input terminal wire size specifications are given below: 

• Wire size of 14 AWG or 2.5 mm². 
• Stranded or solid copper wire with rating of 90ᵒ C or 194ᵒ F. 
• Maximum insulation of 1.2mm.  

Fuse type: The fuse type for 1769-PB4 CompactLogix I/O power supply include: 

• Wickmann 19193-6.5A. 
• Littelfuse 021706.3MXP 

 Other specifications: Some other important specifications for the 1769-PB4 power supply include: 

• The maximum inrush current of 30A at 31.2V DC. 
• The max power dissipation of 14.5W at 60ᵒ C or 140ᵒ F. 
• It also has overcurrent protection. 
• The structure dimensions are 118 × 70 × 87 mm. 
• It has a weight of approximately 630 g or 1.39 lb. 
• The mounting screw torque is 1.16 Nm. 
• The conductor screw torque is 0.6 Nm. 
• The North American temperature code for 1769-PB4 is T3C. 
• The IEC temperature code for 1769-PB4 is T4.