Hioki RM3542 - Connector Type and Signal Pinouts

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.
TRIG
(Reserved)
KEY_LOCK
(Reserved) (Reserved)
0ADJ
HOLD
ISO_5V
ISO_COM
ERR
HI
LO
CE_HI
(Reserved) (Reserved) (Reserved) (Reserved) (Reserved) (Reserved)
(Reserved) CAL
(Reserved) (Reserved) PRB_CHECK (Reserved) PRINT ISO_COM EOM INDEX IN PRB_SHORT CE_LO (Reserved) (Reserved) (Reserved) (Reserved) (Reserved)
12345678910111213141516171819
202122232425262728293031323334353637
Pin
Signal name I/O Function Logic Pin Signal name I/O Function Logic
1TRIG
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.