User guide

Installation 3000TA-XL-EU
Teledyne Analytical Instruments 28
1 ID, Medium range is assigned to Range 2 ID, and High range is
assigned to Range 3 ID. The fourth range is reserved for the Air Cal
Range (25%). Table 3-4 lists the pin connections.
Table 3-4: Range ID Relay Connections
Pin Function
21 Range 1 ID Contact
38 Range 1 ID Contact
22 Range 2 ID Contact
39 Range 2 ID Contact
19 Range 3 ID Contact
18 Range 3 ID Contact
34 Range 4 ID Contact (Air Cal)
35 Range 4 ID Contact (Air Cal)
3.3.2.2.7 Network I/O
A serial digital input/output for local network protocol. At this
printing, this port is not yet functional. It is to be used for future options
to the instrument. Pins 13 (+) and 29 (–).
3.3.2.2.8 Remote Valve Connections
The 3000TA-XL-EU is a single-chassis instrument, which has no
Remote Valve Unit. Instead, the Remote Valve connections are used as
a method for directly controlling external sample/zero/span gas valves.
See Figure 3-5.