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8.1 External Input/Output Connector and Signals
86
Pos: positive, Neg: negative,
: not applicable
• The 0ADJ signal should be asserted (Low) for at least 10 ms.
• The connector shell is conductively connected to the metal instrument chassis and the protective earth pin
of the power plug. Be aware that it is not isolated from ground.
Connector Type and Signal Pinouts
EXT I/O Connector (Instrument Side)
Connector: (Instrument Side)
37-pin D-sub female with #4-40 screws
Mating Connectors:
DC-37P-ULR (solder type) /
DCSP-JB37PR (pressure weld type)
Japan Aviation Electronics Industry Ltd.
TR
IG
(R
eserved)
KEY_LO
CK
(R
eserved)
(R
eserved)
0ADJ
HO
L
D
ISO_
5V
ISO_
COM
ERR
HI
LO
CE_H
I
(R
eserved)
(R
eserved)
(R
eserved)
(R
eserved)
(R
eserved)
(R
eserved)
(R
ese
rved)
CAL
(R
ese
rved)
(R
ese
rved)
PRB_CHECK
(R
ese
rved)
ISO_COM
EOM
IND
E
X
IN
PRB_SHORT
CE_LO
(R
ese
rved)
(R
ese
rved)
(R
ese
rved)
(R
ese
rved)
(R
ese
rved)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
Pin
Signal name
I/O
Function
Logic
Pin
Signal name
I/O
Function
Logic
1
TRIG
IN
External trigger
Pos/
Neg
Edge
20 (Reserved)
2
(Reserved)
21 CAL
IN
Execute self-calibra-
tion
Neg
Edge
3
KEY_LOCK
IN
Key-Lock
Neg
Level
22
(Reserved)
4
(Reserved)
23
(Reserved)
5
(Reserved)
24 PRB_CHECK
IN
Execute probe short-
circuit detection
Neg
Edge
6
0ADJ
IN
Execute zero-ad-
just
Neg
Edge
25 (Reserved)
7
HOLD
IN
Enable external
triggering
Neg
Level
26 PRINT
IN
Print measured val-
ue
Neg
Edge
8
ISO_5V
Isolated 5 V power
output
27 ISO_COM
-
Isolated common
signal ground
9
ISO_COM
Isolated common
signal ground
28 EOM
OUT
End of measurement Neg
Edge
10 ERR
OUT
Measurement fault
Neg
Level
29 INDEX
OUT
Analog measure-
ment finished
Neg
Edge
11 HI
OUT
HI comparator
decision
Neg
Level
30 IN
OUT
IN comparator
decision
Neg
Level
12 LO
OUT
LO comparator
decision
Neg
Level
31 PRB_SHORT OUT
Probe short-circuit
error
Neg
Level
13 CE_HI
OUT
Probe (HI side)
contact error
Neg
Level
32 CE_LO
OUT
Probe (LO side)
contact error
Neg
Level
14
(Reserved)
33
(Reserved)
15
(Reserved)
34
(Reserved)
16
(Reserved)
35
(Reserved)
17
(Reserved)
36
(Reserved)
18
(Reserved)
37
(Reserved)
19
(Reserved)
Reserved pins are not connected inside the instrument.
Do not connect to reserved pins.
Содержание RM3542
Страница 2: ......
Страница 6: ...Contents iv ...
Страница 16: ...Operating Precautions 10 ...
Страница 26: ...1 3 Screen Organization 20 ...
Страница 32: ...2 3 Turning the Power On and Off 26 ...
Страница 46: ...3 8 Confirming Faulty Measurements 40 ...
Страница 64: ...4 12 Compensating for Thermal EMF Offset Offset Voltage Compensation OVC 58 ...
Страница 84: ...6 4 Auto Exporting Measured Values at End of Measurement Data Output Function 78 ...
Страница 90: ...7 3 Printing 84 ...
Страница 172: ...9 10 Device Compliance Statement 166 ...
Страница 190: ...11 4 Disposing of the Instrument 184 ...
Страница 200: ...Appendix 5 Dimensional Diagram A10 Appendix 5 Dimensional Diagram ...
Страница 214: ...Index Index 4 ...
Страница 215: ......
Страница 216: ......
Страница 217: ......
Страница 218: ......