Product Overview

The HIMA F7131 is a dedicated power supply monitoring module for PES H51q systems. This unit monitors the 5 V system voltage generated by up to three power supplies. It includes buffer batteries to retain data during power interruptions. The F7131 provides visual status through front panel LEDs. You get test bits for central modules and optional 24 V outputs for external monitoring.

Technical Specifications

Monitoring Functions

• Voltage Monitored: 5 V system voltage from power supplies.

• Maximum Power Supplies: Up to 3 supplies can be monitored.

• Front Panel Indicators: 3 LED displays at the module front.

• Test Bits: 3 test bits for central modules F8650 or F8651.

• Test Bit Use: Diagnostic display and user program operation.

• External Monitoring: 3 outputs of 24 V (PS1 to PS3) for additional power supply use.

Buffer Battery Information

• Battery Type: CR-1/2 AA-CB lithium battery.

• HIMA Part Number: 44 0000016.

• Replacement Interval: Every 4 years recommended.

• Battery Function: Retains data during main power loss.

• Application: Buffer memory in PES H51q systems.

Physical and Power Data

• Space Requirement: 4 TE (Telephone unit width).

• Operating Voltage 1: 5 V DC at 25 mA.

• Operating Voltage 2: 24 V DC at 20 mA.

• Construction: Standard European format module.

• Compatibility: PES H51q programmable electronic system.

Additional Power Supply Integration

• Assembly Kit: B9361 for additional power supply.

• Monitoring Outputs: PS1, PS2, PS3 at 24 V each.

• Function Check: Verifies power supply module operation inside B9361.

• Output Type: Digital status signals for external evaluation.

Installation Guide

Follow these steps to install the HIMA F7131 correctly. First, insert the module into a 4 TE wide slot in your PES H51q rack. Second, connect the 5 V and 24 V power inputs to the backplane. Third, wire the 3 outputs (PS1, PS2, PS3) to your external monitoring system if needed. Fourth, install the CR-1/2 AA-CB buffer battery into the module. Fifth, verify the three front LED displays illuminate correctly. Sixth, configure the 3 test bits in your central module F8650 or F8651. Finally, test the power supply monitoring by simulating a supply failure.

Package Contents

• 1 x HIMA F7131 power supply monitoring module.

• 1 x CR-1/2 AA-CB lithium buffer battery (pre-installed).

• 1 x Front panel with 3 integrated LED displays.

• 1 x Terminal block for PS1, PS2, PS3 outputs.

• Note: No additional cables or backplane connector included.

Frequently Asked Questions (FAQ)

Q1: What is the main function of the HIMA F7131 in a PES H51q system?
A: The F7131 monitors the 5 V system voltage from up to three power supplies. It provides early warning of power supply degradation or failure. The buffer battery retains critical data during short power interruptions.

Q2: How do I know when to change the buffer battery on the HIMA F7131?
A: HIMA recommends changing the battery every 4 years regardless of apparent condition. The battery type is CR-1/2 AA-CB with HIMA part number 44 0000016. A weak battery may cause data loss during power cycling.

Q3: Can I use the HIMA F7131 with central modules other than F8650 or F8651?
A: The 3 test bits are specifically designed for F8650 or F8651 central modules. These bits feed diagnostic information to the display and user program. Other central modules may not recognize the test bit signals correctly.

Q4: What do the three front LED displays show on the F7131?
A: Each LED corresponds to one of the three monitored power supplies. A steady light indicates normal 5 V operation. A blinking or off LED signals a voltage deviation or complete supply loss.

Q5: How do I use the 24 V outputs (PS1 to PS3) on the HIMA F7131?
A: Connect these outputs to the assembly kit B9361 for additional power supply monitoring. Each output provides 24 V status for one power supply module. You can also wire them to a PLC or annunciator panel for remote alarm indication.