Cooper Instruments & Systems Model 7i Professional Force/Torque Indicator User Manual

Page 26

Model 7i Digital Force / Torque Indicator

User’s Guide

14 COMMUNICATIONS AND OUTPUTS

Communication with the 7i indicator is achieved through the micro USB or 15-pin serial ports located at
the bottom of the instrument, as shown in the illustration in the Power section. Communication is possible
only when the indicator is in the main operating screen (i.e. not in a menu or configuration area).

14.1 Serial / USB
To set up RS-232 and USB communication, select Serial/USB Settings from the menu. The screen
appears as follows:

Select either RS-232 or USB input (output is always active for both the USB and RS-232 ports). RS-232
must be selected when communicating through a Mark-10 test stand controller. When communicating
from the indicator directly to a PC or data collector, either RS-232 or USB can be selected as required.
Press DATA to transmit individual data points or to commence an automatic output sequence (see
Automatic Output sub-section for details). Single point or continuous data may also be requested via
ASCII commands from an external device (see Command Set sub-section for details).

Communication settings are permanently set to the following:

Data Bits:

Stop

Bits:

Parity:

None

Other settings are configured as follows:

14.1.1 Baud Rate
Select the baud rate as required for the application. It must be set to the same value as the receiving
device. When communicating with a Mark-10 test stand controller, the baud rate must be set to 9,600.

14.1.2 Data Format
Select the desired data format. The screen appears as follows:

Function Description

Enabled

Press ENTER to enable, and an asterisk appears. After exiting the menu, the custom
unit appears as one of the available units.

Base Unit

Select any available standard unit.

Unit Name

Specify up to 5 alphanumeric characters, using the key to advance to the next
character, and the

and

keys to scroll through the available characters. The

character “_” refers to a space.
Note: Unit names with the same abbreviations as other standard units are not allowed.
If a disallowed name is entered, a warning message appears.

Multiplier

Select a value relative to the base unit.
Available values:

0.001 – 1,000

Note: Lowest measured value must correspond to a resolution of at least 0.00001.
Highest measured value must correspond to a maximum displayed reading of 500,000.

SERIAL/USB SETTINGS

RS232 Selected

USB Selected
+ Baud Rate
+ Data Format
+ Auto Output