CONNECTION OF OPTIONAL UNITS
I-24
B
C
M
B
C
M
B: Break
C: Common
M: Make
Control unit
Control unit
Door
Opener-A
Door
Opener-B
B
C
M
B: Break
C: Common
M: Make
DC 24V
MAX.1A
Door
Opener-A
Door
Opener-B
External
Ringer
● Use Door opener terminals as Multi Purpose Relay terminals
Door opener terminals A or B can be used not only for connections of door openers but for Multi
Purpose.
Door opener terminal B also can be used as an external output terminal for receiving calls.
Program settings are need to use the terminal as an external output terminal for receiving calls.
(See MODE 1 0501# of Programming Manual.)
NOTE : Allowable current between each terminal is DC24V 1A. Current more than that may cause the damage of the parts
of the CCU.
(1) Multi Purpose
NOTE : • Terminals C and M are used for Make controlled devices.
• Terminals C and B are used for Break controlled devices.
(2) External Ringer
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