15
KK-1302-0001 R(11)
29.03.2022
5.3 Control Board External Component Connections
For TRN 1203
SN
Res
+24V
B-A
A-B
N.O.
N.O.
Com
Com
Gnd
Gnd
Emg
INB
Gnd
Gnd
INA
1
2
3
7
5
6
8
-
Po
wer
+
J3
Top Indicators
Side Indicators
Selenoid Ou
t
Selenoid Ou
t
Direc
tion Sensors
ON
DipSwitch
1 2 3 4
U2
U7
U1
RL1
RL2
U9
Prg: XXXXXXXXXXX
10
11
2
3
1
6
5
7
13
A
A
8
D
D
C
C
B
B
9
12
Motor Control
B-A
A-B
Enable
Gnd
14
1.
Solenoid A-B
2.
Top Passage Indicator and Buzzer
3.
Side indicators
4.
Optional Comm. Port
5.
Solenoid B-A
6.
Direction Photo Sensor
7.
Motor Control
8.
Power Input (24 VDC)
9.
Dip Switch
10.
Control Inputs
11.
Passage Confirmation Contact
12.
Buzzer Enable/Disable
13.
External Module Connector
(Motor Driver, Drop Arm Control etc.)
14.
Inhibit Terminal
A.
Board Serial Number
B.
Stock Code
C.
Production Number
D.
Board Model
--------------------------------------------------------------
Match socket and cable
numbers when replacing
boards and other parts !
Pay attention to pin
markers when replacing
microprocessors !