Hioki RM3542-50, Instruction Manual

Page: 102 / 234

8.1 Ext. I/O Connectors and Signals
96
• 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 inch
screws
Mating Connectors:
•
DC-37P-ULR (solder type)
•
DCSP-JB37PR (pressure weld type)
Japan Aviation Electronics Industry Ltd.
TRIG
(R
eserved)
K
EY_LOCK
(R
eserved)
(R
eserved)
0AD
J
HOLD
IS
O_5V
IS
O_COM
ERR
HI
LO
CE_H
I
(R
eserved)
(R
eserved)
(R
eserved)
(R
eserved)
(R
eserved)
(R
eserved)
(Re
ser
ved)
CAL (Re
ser
ved)
(Re
ser
ved)
PRB_CHECK (Re
ser
ved)
PRINT ISO_
COM
EO
M INDEX IN PRB_SHORT CE_LO (Re
ser
ved)
(Re
ser
ved)
(Re
ser
ved)
(Re
ser
ved)
ISO_
12V
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 Functions Logic Pin Signal name I/O Functions Logic
1
TRIG
IN
External trigger
Pos/
Neg
Edge
20 (Reserved)
− − − −
2
(Reserved)
− − − −
21 CAL IN
Execute self-
calibration
Neg Edge
3 KEY_LOCK IN
Key-Lock Neg Level
22 (Reserved)
− − − −
4
(Reserved)
− − − −
23 (Reserved)
− − − −
5
(Reserved)
− − − −
24 PRB_CHECK IN
Probe short-circuit
detection Execute
Neg Edge
6 0ADJ IN
Execute
zero-adjustment
Neg Edge
25 (Reserved)
− − − −
7 HOLD IN
Enable external
triggering
Neg Level
26 PRINT IN
Print measurement
value
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 faults Neg Level
29 INDEX OUT
Analog measurement
finished
Neg Edge
11 HI OUT
Comparator
judgment result HI
Neg Level
30 IN OUT
Comparator
judgment result IN
Neg Level
12 LO OUT
Comparator
judgment result Lo
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 ISO_12V
−
Isolated 12 V power
output
− −
19 (Reserved)
− − − −
Reserved pins are not connected inside the instrument.
Do not connect to the reserved pins.