Owner's manual

Model 7i Digital Force / Torque Indicator User’s Guide
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14.5 I/O Connector Pin Diagram (DB-9HD-15 female)
* Maximum voltage: 40V.
** The output assignments depend on several factors described in the table below. Output functions
always reference the primary reading on the display, regardless of the current mode.
Load Pin 11 Pin 12 Pin 13
Upper and Lower Set Points are C / CW
Greater than or equal to upper set point On Off Off
Between upper and lower set points Off Off On
Less than or equal to lower set point Off On Off
Upper and Lower Set Points are T / CCW
Greater than or equal to upper set point Off On Off
Between upper and lower set points Off Off On
Less than or equal to lower set point On Off Off
Upper Set Point is C / CW, Lower Set Point is T / CCW
Greater than or equal to upper set point, in C / CW Off On Off
Between upper and lower set points Off Off On
Greater than or equal to lower set point, in T / CCW On Off Off
Upper Set Point is T / CCW, Lower Set Point is C / CW
Greater than or equal to upper set point, in T / CCW Off On Off
Between upper and lower set points Off Off On
Greater than or equal to lower set point, in C / CW On Off Off
C = compression, T = tension, CW = clockwise, CCW = counter-clockwise
Pin No. Description
Input /
Output
1 Signal Ground ---
2 * Tension / Counter-clockwise
Overload *
Output *
3 RS-232 Receive Input
4 RS-232 Transmit Output
5 +12V DC Output
6 Analog Output Output
7 * Compression / Clockwise
Overload *
Output *
8 Mitutoyo Clock or
Output Bit 2 (mutually exclusive)
Output
9 Mitutoyo Data or
Output Bit 0 (mutually exclusive)
Output
10 Mitutoyo Request or
Input Bit 3 (mutually exclusive)
Input
11 ** Set Point Pin 1 (SP1)** Output **
12 ** Set Point Pin 2 (SP2)** Output **
13 ** Set Point Pin 3 (SP3)** Output **
14 External Trigger Input
15 * Mitutoyo Ready or
Output Bit 1 (mutually exclusive) *
Output *