6
Wiring
Note:
To prevent Electrostatic Discharge (ESD), use a wrist strap assembly that connects to ground. Ensure
power is OFF before installing or servicing the annunciator.
To properly install the remote annunciator:
1. Terminate the annunciator’s RUI communication and power lines (Figure 3).
2. Connect the ground harness (see Figure 2) to the metal back box’s earth ground.
3. Connect the RUI wiring from COMM+ and COMM- on the remote annunciator to RUI
terminal on the AUTOPULSE Z-20 panel power supply (see Figure 4).
Figure 4. Wiring Diagram
4. Set Jumper P1 on the AUTOPULSE Z-20
for Class A or Class B wiring.
5. To power the remote annunciator, connect the cable from 24+ and 24- on the AUTOPULSE
Z-20 power supply to 24V and 24C (0V) on the remote annunciator (Figure 4).
Figure 3. Terminating the COMM and Power Line
TB1-1: 24V IN from AUTOPULSE Z-20
Power Supply or Previous Annunciator
TB1-2: 24V OUT to Next Annunciator
TB1-3: 24C IN from
AUTOPULSE Z-20
Power Supply or Previous Annunciator
TB1-4: 24C OUT to Next Annunciator
TB1-5: +COMM IN
+RUI communications from AUTOPULSE
Z-20 or Previous Annunciator
TB1-6: +COMM OUT
+RUI communications to Next Annunciator
TB1-7: -COMM IN
-RUI communications from AUTOPULSE
Z-20 or Previous Annunciator
TB1-8: -RUI communications to Next
Annunciator
TB1-9: SHIELD IN
TB1-10: SHIELD OUT
7 8 9 10
24V
24C (0V)
1 2 3 4 5 6
- COMM
+ COMM
SHIELD
IN
OUT
IN
OUT
IN
OUT
IN
OUT IN
OUT
7 8 9 10
24V
24C (0V)
1 2 3 4 5 6
+COMM -COMM SHIELD
IN
OUT
IN
OUT
IN
OUT
IN
OUT IN
OUT
Color Touchscreen
LCD Annunciator
7 8 9 10
24V
24C (0V)
1 2 3 4 5 6
+COMM -COMM SHIELD
IN
OUT
IN
OUT
IN
OUT
IN
OUT IN
OUT
DASHED LINES ARE FOR CLASS A OPERATION
RUI
Z-20 PSU
B+ B- A+ A-
Color Touchscreen
LCD Annunciator
24+ 24-
AUX Power
Color Touchscreen LCD Annunciator Installation Instructions,
Continued
Summary of Contents for AutoPulse Z-20
Page 12: ...579 1172AR Rev A...
