ISA-60M
ENMET Corporation
8
3.4.3 4-20mA Outputs
Isolated 4-20 mA outputs are available for data logging or other purposes. An output is supplied for each sensor supplied in a
particular instrument, and can be added when a sensor is added in the field. These outputs are available on the Connector 1(
J7
)
for channels 1 & 2 and Connector 2(
J4
) for channels 3 & 4.
4mA corresponds to the sensor reading of 0 at the bottom of the range.
20mA corresponds to a full scale reading of 30.
Wiring requirements are the same as for the relays.
3.4.4 Digital Outputs
The RS232 & RS485 connections are used for firmware updates and digital communications. The
ISA-60M
is designed to
operate as a modbus slave. Contact the
ENMET
for further information on wiring for the digital outputs.
3.5 Initial Calibration
All instruments are calibrated at the factory. You may, if a calibration kit is available, calibrate the
MRI-5175
3 – 4 hours after installation. See Section 5.0, Maintenance, for calibration instructions.
