Honeywell HA40 technical manual General Description, Keypad CAL in Progress

1 General Description

The Honeywell Analytics HA40 Quad Channel Controller is designed

HA40 Display & Alarm Controller

Quad Channel

to display, and control alarm event switching for four inputs. Inputs are typically voltage or 4-20mA current from transmitters, monitors or other analog output devices. The HA40 is equipped with a Fault and three alarm levels per channel with features such as ON / OFF delays, latching relays and alarm Acknowledge. A dedicated horn driver circuit for a local audible annunciator is also standard. Two standard 5-amp

COMMON

LEVEL

ALARMS

ALARM 1

ALARM 2

ALARM 3

219995

STATUS

LED's

KEYPAD

CAL IN PROGRESS

FAULT ALARM

Magnetic

Next Edit Alarm Keypad

Reset (Keypad buttons

behind door)

alarm relays are configurable via the “alarm voting” menu to make relays trip based on various alarm combinations. A real-Time Clock and Calendar are also standard. Options such as 4-20mA outputs, discrete relays for each alarm and audible annunciators are easily added. RS-485 (Modbus RTU) or Ethernet (Modbus TCP) ports are also available for sending data to PC’s, PLC’s, DCS’s, or other Honeywell Analytics controllers.

A 128 x 64 pixel graphic LCD readout displays monitored data as bar graphs, 30-minute trends and engineering units. System configuration is via user friendly menus and all configuration data is retained in non- volatile memory during power interruptions. The HA40 front panel is shown in Figure 1-1 displaying the bar graph data screen. The five keypad symbols below the display are magnetically activated using the supplied magnetic wand without opening the enclosure. Opening the enclosure door provides access to the keypad buttons as shown in Figure 1-2.

Figure 1-1. Front Panel

SW1-SW5 are the magnetic keypad allowing operator

interface w/o opening the enclosure. Touch key access requires

opening the enclosure.

Figure 1-2. Front Panel Display (open enclosure)