Power Supply Modules
(Cat. No. 1771P4R and P6R)
Installation Data
14
Problem 3.
All P/S ACTIVE indicators show that the power supplies are OK, but oneor more NON REDUNDANT SYSTEM indicators are on, indicating thedesired redundancy is not available.
Страница 1: ...ve your 1771 P4R or P6R power supply you should see the following in the box one 1771 P4R or 1771 P6R power supply module one 3 position terminal block attached to module one 5 position terminal block...
Страница 2: ...on the power supply module so that the jumpers and pins are facing upward as shown in figure 1 Figure 1 Power Supply Jumpers 2 Set the jumpers as shown in table A Use needle nose pliers to position th...
Страница 3: ...are set based on the configuration zone To set the switches follow this procedure 1 Close the I D selection switch 1 through 4 that represents the number you selected for that power supply 2 Determine...
Страница 4: ...hassis 1771 A1B A2B A3B A3B1 A4B PSC The primary requirement for placing redundant power supplies is the need to allocate 2 to 4 adjacent slots in your 1771I O chassis for the modules Important Series...
Страница 5: ...status of the power supply to some alarm device The contacts on the relay are rated at 1 Amp 250V ac maximum The relay energizes within 0 5 seconds after sufficient input power is applied and no erro...
Страница 6: ...e relay contacts open until unit failure when it will close Using the normally open side of the relay will keep the relay contacts closed until unit failure when it will open To wire the relay place t...
Страница 7: ...block An error here could cause the ac to be applied to the chassis WARNING Check that the input voltage rating on the power supply front panel agrees with the available power source Application of t...
Страница 8: ...nd lay it on a flat surface insert the tool perpendicular to the wire push straight down 3 After making the wiring connections re insert the terminal block into the front plate if you removed it Be su...
Страница 9: ...power supplies is operational for the system configuration Off The supply has detected one of the following conditions G dc overvoltage the supply shuts down G dc undervoltage the supply shuts down G...
Страница 10: ...I D selection switch setting 1 through 4 configuration switch setting 5 and 6 jumper setting local or remote sensing input voltage rating on the front panel near the ac input connector You will set t...
Страница 11: ...at No 1771 P4R and P6R Installation Data 11 Troubleshooting a Single Power Supply If you have a single power supply installed in an I O chassis and its P S ACTIVE indicator is off follow the troublesh...
Страница 12: ...ple power supplies refer to the flowcharts on the next three pages to help you troubleshoot when the following problems occur Problem 1 One or more but not all of the supplies in the redundant system...
Страница 13: ...wer Supply Modules Cat No 1771 P4R and P6R Installation Data 13 Problem 2 All the supplies in the redundant system have their P S ACTIVE indicators off The NON REDUNDANT SYSTEM LED may or may not be o...
Страница 14: ...at No 1771 P4R and P6R Installation Data 14 Problem 3 All P S ACTIVE indicators show that the power supplies are OK but one or more NON REDUNDANT SYSTEM indicators are on indicating the desired redund...
Страница 15: ...AWG maximum single wire only 21 Environmental Operating Storage Relative Humidity 0 to 60 C 32 to 140 F 40 to 85 C 40 to 185 F 5 to 95 without condensation Wiring Blocks ac Power Relay A B part numbe...
Страница 16: ...N AMERICA HEADQUARTERS Allen Bradley 1201 South Second Street Milwaukee WI 53204 USA Tel 1 414 382 2000 Telex 43 11 016 FAX 1 414 382 2400 As a subsidiary of Rockwell International one of the world s...
