Pyromation Series 642 - Manual (Page 9)

Series 642 Wiring
Pyromation, Inc. 9
4 Wiring
NOTICE
Installation in hazardous area
► When installing Ex-approved devices in a hazardous area please take special note of the
instructions and connection schematics in the respective Ex documentation added to this
operating manual. The local representative is available for assistance if required.
For wiring the device proceed as follows:
1. Remove the cover clamp ( → å 3, item 1).
2. Remove the device cover (
→ å 3, item 2).
3. Remove the display from the electronics module (
→ å 3, item 3).
4. Open the 2 screws of the electronics unit and remove the electronics unit (
→ å 3, item 4).
5. Open the cable gland at the device (
→ å 3, item 5).
6. Feed the cable through the opening in the cable gland.
7. Connect the wires (
→ å 5).
8. Make sure that the terminal screws are tight. Re-seal the cable gland by screwing the cover
back on.
9. In order to avoid connection errors always take note of the hints given in the section
connection check!
4.1 Quick wiring guide
Terminal layout
Fig. 5: Wiring the field transmitter
NOTICE
ESD - Electrostatic discharge
► Protect the terminals from electrostatic discharge. Failure to observe this may result in
destruction of parts of the electronics.