Detcon X40-32-N7 - Manual (Page 58)

Model X40
Model X40 Instruction Manual Rev. 3.3 Page 52 of 64
8.2 Replacement of the NEMA 4 Drop-In Display Assembly
The NEMA4 enclosures come with a ‘Drop-In’ Display Assembly (P/N 949-005142-200)
1. Unplug the connector from J7 on the Display Assembly.
2. Remove the 10 Hex-Head bolts holding the Display Assembly to the cover of the enclosure
3. Replace the Drop-In Display Assembly on the enclosure cover, and replace the 10 Hex-Head Bolts.
4. Ensure that gasket is placed between the Drop-In Display Assembly and the cover.
5. Tighten the bolts to secure the Drop-In Display Assembly in place.
6. Reconnect the connector to J7 on the display.
7. Check the wiring going to the Drop-In Assembly. The correct wiring is shown in figure below.
Note: some older units may have different wiring, and it is important to ensure the wiring is correct.
A2
B1
A1
B2
SW
SW
GND
PWR
PCA Connector
Drop-In Display Assembly
A1, B1 are Master
RS-485 Port
A2, B2 are Slave
RS-485 Port
SW - Reset Switch
Figure 43 NEMA 4 Drop-In Display Assembly