1.1: About This Manual ............................................................................................................................................................................................7
1.2: UL 864 Compliance...........................................................................................................................................................................................7
1.2.1: UL 864 9th and 10th Edition ..................................................................................................................................................................7
1.3: Related Documentation .....................................................................................................................................................................................7
Section 2: LDM Features................................................................................................................................................... 8
2.1: Product Overview ..............................................................................................................................................................................................8
2.2: The LDM-32 ......................................................................................................................................................................................................9
2.3: The LDM-E32..................................................................................................................................................................................................10
2.5: Switches...........................................................................................................................................................................................................11
2.6: Terminal Blocks ...............................................................................................................................................................................................11
2.7: Cables ..............................................................................................................................................................................................................11
2.8: The LDM-R32 .................................................................................................................................................................................................12
3.1: Installation Checklist .....................................................................................................................................................................................13
3.2: External Cabinets.............................................................................................................................................................................................13
3.3: CHS-4L Chassis...............................................................................................................................................................................................13
Section 4: Wiring Considerations .................................................................................................................................. 16
4.1: Limits ...............................................................................................................................................................................................................16
4.2: Wire Runs ........................................................................................................................................................................................................16
4.3: EIA-485 Wiring Specifications........................................................................................................................................................................16
4.4: EIA-485 Shield in Conduit ..............................................................................................................................................................................17
4.5: EIA-485 Shield Not in Conduit .......................................................................................................................................................................17
4.6: EIA-485, Power and Relay Wiring ..................................................................................................................................................................17
4.9: Lamp/LED Wiring ........................................................................................................................................................................................19
4.10: Control Switch Wiring...................................................................................................................................................................................20
5.1: LAMP TEST/ACKNOWLEDGE....................................................................................................................................................................21
5.2: On Line LED ...................................................................................................................................................................................................21
5.3: Graphic Annunciator Lamps/LEDs .................................................................................................................................................................21
Section 6: LDM Communications .................................................................................................................................. 22
6.1: Receive Only LDM-32s...................................................................................................................................................................................22
6.2: Receive/Transmit LDM-32..............................................................................................................................................................................22
7.1: Lamp Driver Electrical Ratings .......................................................................................................................................................................23
7.2: Supervision of LDM points .............................................................................................................................................................................23
Appendix A: System 500 (UL 8th) .................................................................................................................................. 24
A.1: Capabilities .....................................................................................................................................................................................................24
A.2: System 500 Trouble Indication .......................................................................................................................................................................24
A.3: Installation Requirements ...............................................................................................................................................................................24
A.6: Annunciator Operation....................................................................................................................................................................................25
Appendix B: System 5000 (UL 8th) ................................................................................................................................ 31
B.1: Capabilities......................................................................................................................................................................................................31
B.2: Installation Requirements ...............................................................................................................................................................................31
B.3: MPS-24A Main Power Supply........................................................................................................................................................................32
B.4: MPS-24B Main Power Supply........................................................................................................................................................................32
B.6: AIM-200 Point Annunciation..........................................................................................................................................................................34
C.1: Capabilities......................................................................................................................................................................................................44
LDM Series Instruction Manual - P/N 15885:H3 8/12/2019
Table of Contents
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