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Installation
Remote Interconnections
Interconnections
2-6
Model 146i Instruction Manual
6. Plug the instrument into an outlet of the appropriate voltage and
frequency.
WARNING The Model 146i is supplied with a three-wire grounding cord.
Under no circumstances should this grounding system be defeated.
Figure 2-5. Model 146i Rear Panel
Remote
The rear panel I/O (DB37M) connector enables flow modes, ozone levels,
and gas settings to be remotely controlled using contact closure. In addition,
the connector mimics any input settings with corresponding relay outputs.
Inputs
The Model 146i is controllable through the 37-pin male rear-panel
connector. Refer to the following tables when selecting the appropriate gas,
gas span level, and ozonator or permeation oven level for the Model 146i.
Note These are the default settings that can be changed by the operator. A 1
indicates contact closure to ground and 0 indicates no contact, assuming the
digital input channel is set to Normally Open.
Thermo Fisher Scientific
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Troubleshooting
