Hioki Super megohm SM7110 - Instrument-Side Connector Pin Assignment

111
External Input/Output Terminals and Signals
Instrument-side connector pin assignment
IMPORTANT
The connector shell is connected (allows conduction) to the metallic enclosure and the protective
earth pin of the power inlet. Note that it is not isolated from ground.
Pin
No.
Signal name I/O Function Logic
1 TRIG IN Starts measurement. Edge
2 C_CHECK IN Executes contact check. Edge
3 V_CHECK IN Executes voltage error check. Edge
4 OPEN IN Executes open correction. Edge
5 Not used IN (NC) –
6 Not used IN (NC) –
7 Not used IN (NC) –
8 ISO_5V – +5 V (−5 V) output of isolated power
supply
–
9 ISO_COM – Common terminal of isolated power
supply
–
10 ERR OUT Measurement error Level
11 C_CHECK_GO OUT Contact check result Level
12 OPEN_GO OUT Open correction result Level
13 Not used OUT (NC) –
14 IN OUT Comparator judgment of IN Level
15 Not used OUT (NC) –
16 Not used OUT (NC) –
17 Not used OUT (NC) –
18 PASS OUT Judgment result of PASS Level
19 Not used OUT (NC) –
20 START IN Starts to output measurement voltage. Edge
21 STOP IN Stops to output measurement voltage. Edge
22 CLEAR IN Clears measured value and judgment
result.
Edge
23 Not used IN (NC) –
24 INTERLOCK IN Deactivates interlock function. Level
25 KEYLOCK IN Activates/Deactivates key lock. Level
26 Not used IN (NC) –
27 ISO_COM – Common terminal of isolated power
supply
–
28 EOM OUT End of measurement Level
29 INDEX OUT Measurement reference Level
30 V_CHECK_GO OUT Voltage error check result Level
31 VON OUT Voltage output status Level
32 HI OUT Comparator judgment of Hi Level
9
External Control (EXT I/O)