Chapter 3  INSTALLATION OF THE DISPLAY UNIT 
3.11  CONNECTING CONTACT SIGNALS TO EXTERNAL BUZZERS/EXTERNAL DEVICES 
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3 
 NSTALLATION MANUAL
Using jumper TB2, set whether the buzzer contact is opened or closed at the normal 
condition according to the utilization condition. 
Set the output with TB2 on the I/F circuit CMH-2235. 
Normal open with 1-2 pins linked. ( Factory setting ) 
Normal close with 2-3 pins linked. 
 
 
 
 
 
 
 
 
CMH-2235 TB2(1-2) short-circuit