Teledyne 3300ZB operating instructions Contact ID for Failsafe Relay Operation

Installation Model 3300ZB

The specific descriptions for each type of alarm are as follows:

HI Alarm Configured as high alarm (actuates when concentration is above threshold). Can be set anywhere within the full range of the analyzer (1- 1,000 ppm), but must be set ABOVE the threshold set for the LO Alarm.

LO Alarm Configured as low alarm (actuates when concentration is below threshold) within the full range of the analyzer (1-1,000 ppm), but must be set BELOW the threshold set for the HI Alarm.

Sensor Fail Not active in this product

Figure 3-2: Contact ID for FAILSAFE Relay Operation

RS-232 Port: The digital signal output RS-232 port is offered as a cost added option on the Model 3300ZB. It is a standard RS-232 serial communications port used to connect the analyzer to a modem or other digital device. The connector is a standard 9-pin serial connector. Pin- outs are listed in Table 3-1.

Table 3-1: RS-232 Signals

RS-232 Sig	RS-232 Pin	Purpose
RD	2	Received Data
TD	3	Transmitted Data
COM	5	Common

Teledyne Analytical Instruments 12