Fig 3-2 Definition of CTB terminals
Explanation of controlling terminals’ function 3)
Type
Terminal
designation
Terminal name Functional explanation
Power
24V
(CN1、CN2
terminals)
Connect to +24V external power
source
Provide+24Vpower for whole
board as Operational Power
Supply
COM
(CN1、CN2
terminals)
Connect externally to common
port
P24
(other terminals)
+24V power supply
Common port of digital input
and analog input
Function digital input
X1 Font door beam screen
Photocoupler isolation,
unipolar
ity input
Input impedance:3.3KΩ
MCTC-CTB signal is valid when
inputting 24V power supply
X2 Back door beam screen
X3 Font door open limit
X4 Back door open limit
X5 Front door-close limit
X6 Back door-close limit
X7 Full load signal (100%)
X8 Over load signal (110%)
Analog input Ai-M Weighing signal input DC:0~10V