Electrical Connections; Connecting The Controller - Endress+Hauser SpectraSensors J22 TDLAS Operating Instructions Manual

J22 TDLAS Gas Analyzer

Electrical Connections

SpectraSensors, Inc.
Hazardous voltage and risk of electric shock. Turn off lock out system
power before opening the electronics enclosure and making any
connections.

Connecting the controller

1
2
3
1 Cable entry for supply voltage
2 Cable entry for signal transmission; IO1
3 Cable entry for signal transmission; IO2, IO3
1. Loosen the securing clamp of the connection compartment cover.
2. Unscrew the connection compartment cover.
3. Squeeze the tabs of the display module holder together.
4. Remove the display module holder.
Field wiring (Power and Signal) shall be accomplished using
wiring methods approved for hazardous locations as per the
Canadian Electrical Code (CEC) Appendix J, the National
Electric Code (NEC) Article 501 or 505 and IEC 60079-14. The
installer is responsible for complying with all local installation
codes.
Use copper conductors only.
For models of the J22 TDALS Gas Analyzer with the SCS mounted
within an enclosure, the inner sheath of the supply cable for the
heater circuit shall be sheathed with thermoplastic,
thermosetting, or elastometric material. It shall be circular and
compact. Any bedding or sheath shall be extruded. Filters, if any,
shall be non-hygroscopic.
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