3 Peripheral Devices and Options 
- 
119
 -
 
■
Description of terminals
Input and output terminals of HCB-H
Terminal 
Name
Function
Connection between 
MCTC-PG and encoder
UP
Interface for the up call button 
Pins 2 and 3 are for up call input. Pins 1 and 4 are 
power supply for the up call indicator
(24 VDC output, load capacity: 40 mA).
1 2 3 4
Up call indicator
Up call
 
button
DOWN
Interface for the down call button 
Pins 2 and 3 are for down call input. Pins 1 and 4 are 
power supply for the down call indicator
(24 VDC output, load capacity: 40 mA).
1 2 3 4
Down call indicator
 Down call
button
XF/ST
switches 
Pins 1 and 2 are for elevator lock input. Pins 3 and 4 
1 2 3 4
 Fire
emergency
input
Elevator
lock input
J1
 
Short J1, and press the UP button or DOWN button 
jumper cap is removed, the address is automatically 
stored. 
CN1
Modbus communication and power supply terminal 
Pins 2 and 3 are for Modbus communication. Pins 1 
and 4 are for power supply.