Detcon 812B Manuale Utente Scaricare il pdf (Pagina 4)

1.4 INSTALLATION

1. Securely mount the 812B enclosure in accordance with the drawing in figure 1.

NNoottee::

Reference figure 2 for wiring terminations.

2. Connect 117VAC input to the terminal strip labeled “VAC IN” (L1, N, GND).

3. If applicable, connect a 24VDC source or standby battery to the terminal strip labeled “VDC IN” (+ and

–

4. Refer to installation and wiring detail of remote mount sensor assemblies as detailed in section 3.0. Terminate

field wiring from sensors to the 812B motherboard. Terminals are labeled “SENSOR” (MA, + and —).

5. If applicable, terminate the discrete 4-20 mA outputs to external device(s). Terminals are labeled “4-20 mA OUT”

(+ and —).

6. If applicable, terminate the RS-485 serial output to external device(s). Terminals are labeled “RS-485” (A+, B–,

and Shield).

Model 812B Rack Mount Control Enclosure PG.4

L1 In

Fuse

L1 - BLK

N - WHT

GND - GRN

BLK

16ga x 9"

BLK 16ga x 9"

Power

Switch

RED 16ga x 9"

TAN 22ga x 9"

BLK 16ga x 9"

D2 6A 50V

RED

BLK

Power Supply

Pin 5 Com

Pin 7 +

Pin 2 N

Pin 3 L

16ga x 6"

TB1

TB2

N In

GND In

+DC In

–DC In

+DC Out

–DC Out

Pin 1

16ga x 6"

D1 6A 50V

Power

Supply

DC Out

Power

Supply

VAC In

PS80-12B Power Supply Schematic/Wiring Diagram

1 2 3 4 5 6

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