Emerson B-106-300NH instruction manual World Class

Instruction Manual

World Class 3000

Appendix B Rev. 2.2 January 1997

APPENDIX B, REV. 2.2

HPS 3000 HEATER POWER SUPPLY

B

DESCRIPTION

Read the “Safety instructions for the wiring and installation of this appara- tus” at the front of this Instruction Bulletin. Failure to follow the safety instructions could result in serious injury or death.

B-1 DESCRIPTION

The Rosemount HPS 3000 Heater Power Sup- ply Field Module acts as an interface between probe and electronics, and supplies power to the probe heater. The unit allows the use of probes with a number of different electronics packages.

The HPS is available in a NEMA 4X (IP56) non-hazardous enclosure or an optional Class 1, Division 1, Group B (IP56) explo- sion-proof enclosure, Figure B-1.

The heater power supply, Figure B-2,consists of a mother board, daughter board, and a transformer for supplying correct voltage to the probe heater. The mother and daughter boards contain terminal strips for connecting probe, electronics, and power supply.

The HPS is jumper configurable for 120, 220, or 240 Vac. For 100 Vac usage, the HPS is fac- tory-supplied with a special transformer. The 100 Vac transformer can also be easily field in- stalled. Refer to paragraph B-7,Transformer Replacement for installation procedure; refer to Table B-2,for transformer part numbers.

35730001

Figure B-1. HPS 3000 Heater Power Supply Field Module

Rosemount Analytical Inc. A Division of Emerson Process Management Appendices B-1