User manual

Appendix
ComTec GmbH 7-6
Output HIGH voltage: (at AUX
i
I/O, I
OutHIGH
= -4mA) ............................................. min. 3.7V
(at AUX
i
I/O, I
OutHIGH
= -16mA) ........................................... min. 2.4V
Output LOW voltage: (at AUX
i
I/O, I
OutLOW
= 16mA) ......................................... max. 0.45V
REJECT
Location: .....................................................................................BASE module
Connector: ........................................................................................female BNC
Input impedance: ......................................................................................4.7kΩ pull-up
Input HIGH voltage: ............................................................................................ min. 2.0V
Input LOW voltage: ........................................................................................... max. 0.8V
ADC Port
Location: .....................................................................................BASE module
..................................................................... Quad ADC Port module
Connector: ......................................................................... 25 pin female D-SUB
Input impedance: ......................................................................................4.7kΩ pull-up
Input HIGH voltage: ............................................................................................ min. 2.0V
Input LOW voltage: ........................................................................................... max. 0.8V
Output HIGH voltage: I
OutHIGH
= -16mA .................................................................. min. 2.4V
Output LOW voltage: I
OutLOW
= 15mA................................................................. max. 0.45V
D0...15 - Active low data input signals
VCC
4k7
100R
AUX
i
VCC
AUX
i
I/O
VCC
4k7
1k0
REJECT
VCC
REJECT IN
22p
Figure 7.6: AUXi and REJECT circuit schematic
D0 - 1
D1 - 2
D2 - 3
D3 - 4
D4 - 5
D5 - 6
D6 - 7
D7 - 8
D8 - 9
D9 - 10
D10 - 11
D11 - 12
D12 - 13
14 - DRDY
15 - D13
16 - D14
17 - DACC
18 - ENC
19 - D15
20 - GND
21 - DEAD TIME
22 - DENB
23 - GND
24 - GND
25 - GND
Legend:
D0...D15 = Data Bit 0...15 (input)
DRDY = Data Ready (input)
DACC = Data Accepted (output)
ENC = Enable Converter (output)
DEAD TIME = ADC Dead Time Signal (input)
DENB = Data Enable (output)
GND = Ground
Figure 7.7: ADC port connector assignment