1771-P10

The 1771-P10 is a PLC5 power supply module. This Power supply features a nominal input voltage requirement of 125VDC with voltage range of 97-145VDC. This power supply module has a controlled soft-start feature which enhances the module’s reliability.

This power supply is provided with several ports such as PS Active which provides information about the module’s operating status, P/S parallel port that is used to connect another power supply to form a parallel connection to increase output however, for the 1771-P10, only compatible power supply to be connected in parallel is 1771-P10 as well. When these power supplies are in parallel, the output is 16A. It also has a Power Switch to activate the module, Input Fuse to protect the voltage source and wiring. The fuse specifications are 1.5A, 250 V, slow blow fuse. A terminal strip is provided at the bottom of the power supply to provide input wiring connection points.

To install this power supply to the chassis, turn off the existing power supply if there is any. Position the PCB on the rear of the Power Supply module, following the tracks located on top and bottom of the I/O chassis. If there is some resistance, do not force the power supply module instead, re-engage and apply even pressure. Once connected, snap the chassis latch to secure the module connection. Proceed with input wiring tasks.

To connect the power supply in parallel, use a paralleling cable with part number 1771-CT. Connect both ends of this cable to the P/S Parallel port while connect in parallel the input wiring connections to the other power supply.

The Allen-Bradley 1771-P10 is a power supply module for PLC-5 controllers. It can be used for Series A and Series B Allen-Bradley 1771 I/O chassis that do not have integral power supplies. For Series B chassis, the 1771-P10 module can be installed in any slot other than the left-most slot. The 1771-P10 takes up 2 slots in an I/O chassis. The 1771-P10 module can only be used in parallel with another 1771-P10 power supply module. The total backplane current available for 1771 I/O modules is 16 Amps when two 1771-P10 modules are configured in parallel. The use of two 1771-P10 power supplies in parallel does not provide redundancy. The cable recommended for use when two 1771-P10 supplies are used in parallel configuration is the Allen-Bradley 1771-CT cable. Processors such as the Allen-Bradley 1772-LSP, 1772-LWP, and 1772-LXP have an integrated AC power supply and they cannot be used with the 1771-P10 module. Processors such as the Allen-Bradley 1772-LS, 1772-LW, and 1772-LX processors do not have integrated power supplies and therefore they can be used with the 1771-P10 module. The Allen-Bradley 1771-P10 module requires 125 Volts DC input voltage from an external power supply. The input power must be in the range of 97 to 145 Volts DC. The module input power consumption rating is 72 Watts. The 1771-P10 module can supply a maximum of 8 Amps of output current at 5 Volts DC. To prevent module damage and performance degradation, the I/O chassis power supply should be turned off before the 1771-P10 module is inserted into the chassis. The weight of the 1771-P10 module is 1.18 kilograms. The operating temperature range for the 1771-P10 module is from 32 to 140 degrees Fahrenheit.