ABB ECA06 - Page 229

Appendix A: Application Examples A.3 Furnace Pressure Control with 3-State Pulse Output
493-0736-11 (6-2) 229
Figure 6 Connection of Transmitter, Actuator Potentiometer, and Increase/Decrease Motor.
PICA1
jumper 1
closed
AI2+
+
M
–
+
PT1
+24 V DC
out
–
+
DO1+
AO1+
0 V
–
AI1+
0 V
DO3+
DO4+
DO2+
0 V
0 V
High pressure
Alarm
Low pressure
Alarm
AI1–