Parts List 
Internal Cabling Data – Without Options 
232  DR4500A Classic Series Circular Chart Recorder With or Without Control Product Manual  Release L  
    February 2017 
10.4  Internal Cabling Data – Without Options 
View of internal cabling 
Figure 10-5 is a view of the internal cabling for the DR4500A Classic Series Recorder. 
 
Mother board
J8
1
J13
J14
1
Chassis 
ground
1
J16
J15
Main 
board
J4
J7
J3
Alarm/digital 
inpu ts
J2
J1
1
34 c ond. 
ribbon cable
30755119-001
J8
Chart Plate
Display 
board
30755064-001, 20 conductor ribbon  cable
4 conductor cable
4 conductor cable
4 conductor cable
2 wires (black)
Chassis ground
Pen 2 
Motor
Chart motor
J5 J6
Pen #2 driv e
Chart driv e
1 1 1
Main transf ormer
9 position key board  cable
J2
J3
2 wire 
purple pair
2 wire 
orange 
pair
2 wire 
black pair
J12
2 wire pair
1
First 
inpu t
1
J1
1
Second 
inpu t
1
J1
1
J3
1
J3
Light 
option
2 wire 
gray  pair
Pen 1 
  Motor
Pen #1 driv e
J2
7 cond. 
cable
J1
4 cond. 
cable
22099
 
 
Figure 10-5 Internal cabling for DR4500A Classic recorder