beautypg.com

Teledyne 3300ZB - Low-cost Zirconium Oxide Oxygen Analyzer User Manual

Page 22

background image

Installation Model

3300ZB

Teledyne Analytical Instruments

12

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