Apex Instruments, Inc.
53
XD-502 Digital Console
6.1 Electrical Diagram (XD-502, 120V Shown)
6.0 Diagrams and Schematics
Fig. 9 Electrical Diagram
FAN
PUMP
GP-PU3899-UN838
ON
OFF
BL
BL
M-PS-XLG-150-24-A
POWER SUPPLY
PUMP
M-RA911
MAIN
M-RA911
ON
OFF
XD-502 MAIN BOARD
PCB-502MAIN-COMP
XD-502
TRANSDUCER BOARD
PCB-SENS-B1B5B10
BN
RD
BK
Com 1 2 3 4 5 6 7 8 SWITCHES
8V-29V
-
+
PIN # TO SWITCH #
1..................1
2..................3
3..................4
4..................2
1
5
10
PIN # TO SWITCH #
5..................5
6..................6
7..................GROUND
8..................GROUND
DGM
Trap
Filter
Exit
Stack
R C YR 1 YR 2 YR 3 Y R C YR 1 YR 2 YR 3 Y
AUX
Oven
EL-HART-USB
1 2 3 4 5
DGM Encoder
1- GND (Black)
2- Not Used (Green)
3- CH. A (White)
4- +5 VDC (Red)
5- CH.B (Brown)
DGM-SK25EX-100B
STACK
OVEN
PROBE
FILTER
EXIT
AUX
AC-
AC- AC- AC- AC-
ON
OFF
ON
OFF
+ AC
- AC
DC +
DC -
8 CHANNEL TC MUX BOARD
PCB-TC8-COMP
M-890-213
M-890-203
M-CBP15A-M
M-CBR10A-M
(X 2)
M-862-604
M-862-504
AM-CF-SXC
WK-24-24
TC-PJK (x6)
M-PXR3-F M-PXR3-F
M-SCKT15A
20Ga
16Ga
16Ga
16Ga
20Ga
20Ga
12Ga
12Ga
12Ga
12Ga
25A RELAY
SSR-330-25
L1 T1
A2(-)
A1(+)
25A RELAY
SSR-330-25
L1 T1
A2(-)
A1(+)
XC-CS51 CASE
16Ga
16Ga
16Ga
12Ga
16Ga
16Ga
16Ga
Probe
Probe
Oven
12Ga
12Ga
SV
C1
C2
AL1
AL2
SEL
°F
10 11 12 13 14 15 16 17 18
1 2 3 4 5 6 7 8 9
POWER
SV
C1
C2
AL1
AL2
SEL
°F
10 11 12 13 14 15 16 17 18
1 2 3 4 5 6 7 8 9
POWER
Probe
AUX
RA-911
Oven
M-221-413
(x2)
M-221-412
ACTUAL
SLOT
LOCATION
TBD
Insert
Select
Menu
Note
Save
Data
Hold (3sec)
Zero
DGM
Zero
Timer
Previous
Screen
MS-6X1 MEMBRANE SWITCH
20Ga
20Ga
ON
OFF
DC-USB-A-C-1.5
DFK-MSTB5
BK 20Ga
RD 20Ga
OR 20Ga
WT 20Ga
DFK-MSTB4
20Ga
16Ga
16Ga
16Ga 16Ga
16Ga
16Ga
16Ga
16Ga
AC+ AC+AC+AC+
RED OEM PUMP WIRE
16Ga
RED OEM WIRE
BK OEM WIRE
1.
2.
3
4.
GND
5V
RX
TX
1
2
3
4
1
2
3
4
B A
BN
BN
OEM CORD
OEM CORD
APPLY SILICONE TO
USB BOARD CONNECTION
AFTER MOUNTING
BOARD TO PANEL
HEDS-C5-CABLE
Pan
Grounding
Screw
120V CONFIGURATION
PIN A = BLACK AUX
PIN B = WHITE RETURN
PIN C = RED OVEN
PIN D = BROWN PROBE
PIN E = GREEN GROUND
A
D
E
B
C