VTI Instruments EX1000A - Page 53

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EX10xxA/EX10xxA-51C/RX10xx Preparation for Use 53
NOTE Pins 18 through 33 on P1, P2, and P3 are chassis ground pins.
The mating connector for the EX10xxA is a 50-pin D-sub male connector, and is available from the
following companies:
Manufacturer
Part Number
Description
Conec
163X11159X
Connector
Conec
165X13409XE
Backshell
NorComp
171-050-103L001
Connector
NorComp
977-050-020R121
Backshell
This is only a partial listing as there are many sources for D-sub connectors.
The EX1000A-51C have 50-pin D-sub receptacles for the voltage input channels. These channels
are differential inputs and are mapped as pairs (see Table 2-34).
P1 Connector
P2 Connector
P3 Connector
Pin
Signal
Pin
Signal
Pin
Signal
1
CH48-LO
1
CH49-LO
1
CH50-LO
2
CH07-HI
2
CH23-HI
2
CH39-HI
3
CH07-LO
3
CH23-LO
3
CH39-LO
4
CH06-HI
4
CH22-HI
4
CH38-HI
5
CH06-LO
5
CH22-LO
5
CH38-LO
6
CH05-HI
6
CH21-HI
6
CH37-HI
7
CH05-LO
7
CH21-LO
7
CH37-LO
8
CH04-HI
8
CH20-HI
8
CH36-HI
9
CH04-LO
9
CH20-LO
9
CH36-LO
10
CH03-HI
10
CH19-HI
10
CH35-HI
11
CH03-LO
11
CH19-LO
11
CH35-LO
12
CH02-HI
12
CH18-HI
12
CH34-HI
13
CH02-LO
13
CH18-LO
13
CH34-LO
14
CH01-HI
14
CH17-HI
14
CH33-HI
15
CH01-LO
15
CH17-LO
15
CH33-LO
16
CH00-HI
16
CH16-HI
16
CH32-HI
17
CH00-LO
17
CH16-LO
17
CH32-LO
34
CH48-HI
34
CH49-HI
34
CH50-HI
35
CH15-LO
35
CH31-LO
35
CH47-LO
36
CH15-HI
36
CH31-HI
36
CH47-HI
37
CH14-LO
37
CH30-LO
37
CH46-LO
38
CH14-HI
38
CH30-HI
38
CH46-HI
39
CH13-LO
39
CH29-LO
39
CH45-LO
40
CH13-HI
40
CH29-HI
40
CH45-HI
41
CH12-LO
41
CH28-LO
41
CH44-LO
42
CH12-HI
42
CH28-HI
42
CH44-HI
43
CH11-LO
43
CH27-LO
43
CH43-LO
44
CH11-HI
44
CH27-HI
44
CH43-HI
45
CH10-LO
45
CH26-LO
45
CH42-LO
46
CH10-HI
46
CH26-HI
46
CH42-HI
47
CH09-LO
47
CH25-LO
47
CH41-LO
48
CH09-HI
48
CH25-HI
48
CH41-HI
49
CH08-LO
49
CH24-LO
49
CH40-LO
50
CH08-HI
50
CH24-HI
50
CH40-HI
TABLE 2-4: VOLTAGE CONNECTOR SIGNAL ASSIGNMENTS
The Pin out on the 3 D-sub connectors will provide the connection for additional channels as detailed
below:
a) P1 Connector, Pin 1 and Pin 34 becomes channel 49
b) P2 Connector, Pin 1 and Pin 34 becomes channel 50
c) P3 Connector, Pin 1 and Pin 34 becomes channel 51