Teledyne M5000B operating instructions Types of Relay Contacts The connectors are

1 Introduction Model 5000B

Normally closed

Normally open

Moving contact

Normally open

Moving contact

Figure

2-6: Types of Relay Contacts The connectors are:

Threshold Alarm 1: • Can be configured as high (actuates when concentration is above threshold), or low (actuates when concentration is below thresh old).

•Can be configured as fail-safe or non-fail-safe.

•Can be configured as latching or nonlatching.

•Can be configured out (defeated).

Threshold Alarm 2:	• Can be configured as high (actuates when concen-
	tration is above threshold), or low (actuates when
	concentration is below threshold).
	• Can be configured as fail-safe or non-fail-safe.
	• Can be configured as latching or nonlatching.
	• Can be configured out (defeated).
System Alarm:	Actuates when DC power supplied to circuits is
	unacceptable in one or more parameters. Permanently
	configured as fail-safe and latching. Cannot be de-
	feated. Actuates if self test fails.
	To reset a System Alarm during installation, discon-
	nect power to the instrument and then reconnect it
	Further detail can be found in chapter 3, section 3-5.

Digital Remote Cal Inputs

Remote Zero and Span Inputs: The REMOTE SPAN and RE- MOTE ZERO inputs are on the DIGITAL INPUT terminal block. They

2-6: Part I Teledyne Analytical Instruments