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LAD Series

Economical Security/Fire Alarm PSU with Battery Charger/UPS

User Manual

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Back up

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Charger

Power Supply

LAD 120 240 360 600

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Series

AC

Grid

Load

Battery Pack

UART

RTU

DATA

PROTOCOL

AC

DC

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2
3
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Summary of Contents for LAD Series

Page 1: ...LAD Series Economical Security Fire Alarm PSU with Battery Charger UPS User Manual Back up Charger Power Supply LAD 120 240 360 600 Series AC Grid Load Battery Pack UART RTU DATA PROTOCOL AC DC...

Page 2: ...dc and 55 2Vdc With high efficiency up to 86 5 and built in AC battery switch for easy maintenance In addition LAD 600 series not only provide TTL signals for AC OK battery disconnect battery reverse...

Page 3: ...case 3 3 Wiring use 3 4 Installation steps 3 5 Instructions for battery serial and parallel use 4 User Interface Panel 4 1 Panel description 4 2 Pin assignment 5 Function Description 5 1 DC UPS funct...

Page 4: ...en power supply and battery should be kept as short as possible to prevent excessive voltage drop suggested cable length 50cm 1000cm Too much voltage drop will lead to longer charging period d The pow...

Page 5: ...elcordia SR 332 Bellcore 209 4K hrs min MIL HDBK 217F 25 1A Battery Charger 1A Battery Charger 1A Battery Charger 4 2 MODEL DC VOLTAGE RATED CURRENT CURRENT RANGE RATED POWER OUTPUT VOLTAGE ADJ RANGE...

Page 6: ...ery for protection 1 5A Battery Charger 1 5A Battery Charger 1 5A Battery Charger LAD 360xU Series UART Communication Function Model U Version 6 2 DC VOLTAGE RATED CURRENT CURRENT RANGE RATED POWER VO...

Page 7: ...62368 1 AS NZS62368 1 EAC TP TC 004 approved Design refer to GB 17945 2010 GB4717 LAD 600xU Series UART Communication Function Model U Version 8 2 DC VOLTAGE RATED CURRENT CURRENT RANGE RATED POWER VO...

Page 8: ...264 90 100 80 70 60 50 40 180 264VAC 90 132VAC 90 100 115 110 160 140 200 180 240 220 264 90 100 80 70 120 LAD 120 Series LOAD LAD 0 Series 24 360 LOAD INPUT VOLTAGE VAC 60Hz 2 10 LAD 600 Series TB1 7...

Page 9: ...ws and internal components of power supplies Please refer to case drawing on specifications to receive the maximum length of mounting screw Mounting orientations other than standard orientation or ope...

Page 10: ...nected Disconnected S W AC ON OFF S W 3 4 2 Make sure all cables are well connected then feeds the AC to power the supply and turn the main power and backup power switches to the ON position 5 11 gf c...

Page 11: ...rminal contacts It is used control and status monitoring etc For details to please refer to Chapter 4 2 1 It is used control and status monitoring etc For details to please refer to Chapter 4 2 2 4 2...

Page 12: ...l AC OK battery unconnected reverse connection battery undervoltage full linkage control battery selection buzzer alarm battery detection forced start of battery power supply etc 5 1 DC UPS function L...

Page 13: ...no AC input power supply when the backup power switch is OFF PIN 1 and 2 need to be short circuited all the time to force the UPS function to start and keep the battery powered when PIN 1 2 is open t...

Page 14: ...y is reversely connected and the output is overloaded the buzzer will alarm Pin 7 8 Short Open Fire alarm system Evacuation system Open Short BU CU DU Evacuation system Fire alarm system Status 5 2 Ba...

Page 15: ...oltage 50V max Low High or open Description R V 4 5 24 5 3 Battery disconnected reverse TTL signal battery detection status 2 When the battery is not connected or reversely connected the state is high...

Page 16: ...LAD 360 600U can be set and read through communication and multiple parallel connections cannot be used in the configuration 5 4 1 1 UART specification Protocol adopts UART interface This device adop...

Page 17: ...ition of data types The data transmission patterns of this agreement are defined as follows 5 4 1 5 Scratchpad Address Data Description Controller PC to LAD datasheet Data type Narrate Bytes Range U1...

Page 18: ...a total of 4 bytes LAD_STATUS_H at the high level and LAD_STATUS_L at the low level 5 30 LAD_STATUS_H Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0 High byte Reserved Reserved Reserved Reserved Reserved Re...

Page 19: ...es of Communications The following provides an example of reading and writing to t UART he communication protocol Note 5 4 2 1 5 4 2 6 provides an example for reading instructions 5 4 2 7 5 4 2 9 is a...

Page 20: ...1 battery is normal 0 Battery balanced state Standby OVP protection status Linkage control status display System power supply status Standby UTP protection status Main discharge OLP status Standby sta...

Page 21: ...ion is 0x9F CRC 8 5 4 1 3 the 5 Response R W byte Data Length Data address bytes Data bytes CRC 8 0x55 0x05 0x00 30 0x02 91 0xBD 36 5 4 2 4 Battery voltage Brief description Battery voltage read instr...

Page 22: ...refer to the description of in CRC 8 5 4 1 3 The error detection code for the response is calculated by the CRC 8 LAD LAD s own MCU 5 4 2 6 Battery undervoltage protection points Brief description Bat...

Page 23: ...his command is 0 01V transmitted that is the decimal number of the data to be is 43 2 0 01 4320 and the corresponding hexadecimal number is 0x0E E8 0x0D CRC 8 Transmit data error detection code refer...

Page 24: ...t the power supply turns off the output Recycle AC power to recover the output Once the LAD 600 triggers the protection the output recovers after recycling AC power and 3 minutes of cold standby 6 42...

Page 25: ...al Please refer to the latest version of our manual on our website www meanwell com https MEAN WELL WEB User s Manual This product provides three years warranty under normal usage Do not replace parts...

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