Omega OMB-DAQBOARD-500 Series User Manual page 18

68-Pin SCSI Type III Pinout
Standard 68-Pin SCSCI Type III, Socket (Female) Connector with Orb
Pin Signal
1 DACLKIN/
CNTR1
See Pin 39 [Note
4]
2 ADCLKIN
See Pin 5 [Note 3]
3 ADTRGOUT/
TMR0
4 --
5 ADCLKIN
See Pin 2 [Note 3]
6 ADTRGIN
7 C6
8 C4 D
9 C2 I
10 C0 G
11 B6 I
12 B4 T
13 B2 A
14 B0 L
15 A6
16 A4 I
17 A2 O
18 A0
19 +5 VDC
20 ARET 1
[Note 2]
21 AOUT 1
[Note 2]
22 AOUT 0
[Note 2]
For Single Ended
ANALOG INPUTS
23 AIN 15 Ch. 15
24 AGND Analog Ground
25 AIN 6
26 AIN 13 Ch. 13
27 AGND Analog Ground
28 AIN 4
29 AGND Analog Ground
30 AIN 3
31 AIN 10 Ch. 10
32 AGND Analog Ground
33 AIN 1
34 AIN 8
Notes to this table appear on the following page.
2-2 Connections & Pinouts
Description / Comments
External DAC Clock In or
Counter 1. Rising or Falling
Edge Sensitive.
External ADC Clock In
Internal ADC Trigger Output/
Timer 0 Clock Output
Reserved
External ADC Clock In
ADC Trigger
TTL Level Digital I/O Ch. C6
TTL Level Digital I/O Ch. C4
TTL Level Digital I/O Ch. C2
TTL Level Digital I/O Ch. C0
TTL Level Digital I/O Ch. B6
TTL Level Digital I/O Ch. B4
TTL Level Digital I/O Ch. B2
TTL Level Digital I/O Ch. B0
TTL Level Digital I/O Ch. A6
TTL Level Digital I/O Ch. A4
TTL Level Digital I/O Ch. A2
TTL Level Digital I/O Ch. A0
Power
Analog Return 1
DAC1, Analog Out 1
DAC0, Analog Out 0
For Differential
Ch. 7 Lo (-)
Analog Ground
Ch. 6 Ch. 3 Hi (+)
Ch. 6 Lo (-)
Analog Ground
Ch. 4 Ch. 2 Hi (+)
Analog Ground
Ch. 3 Ch. 1 Lo (-)
Ch. 5 Hi (+)
Analog Ground
Ch. 1 Ch. 0 Lo (-)
Ch. 8 Ch. 4 Hi (+)
887293
Pin Signal
35 DGND Digital Ground
36 DGND Digital Ground
37 ADCLKOUT/ Internal ADC Clock Output/
TMR1 Timer 1 Clock Output
38 DATRGIN DAC0 External Gate
(Level Controlled), or
External Trigger (Edge Active).
39 DACLKIN/ External DAC Clock In, or
CNTR1 Counter 1. Rising or Falling
See Pin 1 [Note 4] Edge Sensitive.
40 DGND Digital Ground
41 C7 TTL Level Digital I/O Ch. C7
42 C5 TTL Level Digital I/O Ch. C5
43 C3 TTL Level Digital I/O Ch. C3
44 C1 TTL Level Digital I/O Ch. C1
45 B7 TTL Level Digital I/O Ch. B7
46 B5 TTL Level Digital I/O Ch. B5
47 B3 TTL Level Digital I/O Ch. B3
48 B1 TTL Level Digital I/O Ch. B1
49 A7 TTL Level Digital I/O Ch. A7
50 A5 TTL Level Digital I/O Ch. A5
51 A3 TTL Level Digital I/O Ch. A3
52 A1 TTL Level Digital I/O Ch. A1
53 DGND Digital Ground
54 ARET 0 Analog Return 0
[Note 2]
55 AGND Analog Ground
56 AGND Analog Ground
For Single Ended
ANALOG INPUTS
57 AIN 7 Ch. 7
58 AIN 14 Ch. 14
59 AGND Analog Ground
60 AIN 5 Ch. 5
61 AIN 12 Ch. 12
62 SGND Signal Ground
63 AIN 11 Ch. 11
64 AGND Analog Ground
65 AIN 2 Ch. 2
66 AIN 9 Ch. 9
67 AGND Analog Ground
68 AIN 0 Ch. 0
Description / Comments
D
I
G
I
T
A
L
I
O
For Differential
Ch. 3 Lo (-)
Ch. 7 Hi (+)
Analog Ground
Ch. 2 Lo (-)
Ch. 6 Hi (+)
Signal Ground
Ch. 5 Lo (-)
Analog Ground
Ch. 1 Hi (+)
Ch. 4 Lo (-)
Analog Ground
Ch. 0 Hi (+)
DaqBoard/500 Series User's Manual