4040 - Methane / Nonmethane analyzer - Teledyne Analytical ...

Installation3.3.3.7 RANGE ID RELAYSThere are three dedicated Range ID relay contacts. They areassigned to relays in ascending order—Low range is assigned to Range1 ID, Medium range is assigned to Range 2 ID, and High range isassigned to Range 3 ID. Table 3-6 lists the pin connections. Contactsare normally open, and they close when 4040 switches to that particularrange.Table 3-6: Range ID Relay ConnectionsPin Function21 Range 1 ID Contact38 Range 1 ID Contact22 Range 2 ID Contact39 Range 2 ID Contact19 Range 3 ID Contact18 Range 3 ID Contact34 Not Used35 Not Used3.3.3.8 NETWORK I/OA serial digital input/output for local network protocol. At thisprinting, this port is not yet functional. It is to be used in future optionsto the instrument. Pins 13 (+) and 29 (–).3.3.3.9 PIN OUT TABLEThe following table summarizes all the outputs/inputs available inthe 50 pin D-Sub connector on the back panel of the Analyzer.Table 3-7: Pin out of 50 pin D-Sub Connectorpin #Description123 + Output 4-20 ma - Channel 24 - Output 4-20 ma - Channel 25 + Output 4-20 ma – Channel 16 - Output 4-20 ma – Channel 17 - Output 0-1 v (Channel 1)8 + Output 0-1 v (Channel 2)9Teledyne Analytical Instruments 33