Detcon 412B - Manual (Page 4)

1.4 I
NSTALLATION
1. Securely mount the 412B enclosure in accordance with the drawing in figure 1.
N No ottee:: 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 412B 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 412B 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"
RED
16ga x 9"
TAN
22ga x 9"
TAN
22ga x 9"
BLK
16ga 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"
P1
TB1
TB2
N In
GND In
+DC In
–DC In
+DC Out
–DC Out
Pin 1
16ga x 6"
16ga x 6"
16ga x 6"
16ga x 6"
P2
P3
P4
P5
D1 6A 50V
Power
Supply
DC Out
Power
Supply
VAC In
PS80-12B Power Supply Schematic/Wiring Diagram