I-7570 Serial to HART Converter Quick Start (Ver 1.0, Aug/2011) --- 2
2. Hardware Installation
Users may need to make a hardware setting before the application.
The detailed illustration is as below
:
[ Step1: Connect Serial port ]
Connect the serial port of the I-7570 to PC respectively, then turn on
the module power.
[
Step2: Check the LED Indication I-7570
]
[ Step3: Open or close the T
erminator Resistor
]
There is a Jumper (JP4) at the I-7570 module, as shown in Figure 2-4.
The jumper can provide HART network with 250 Ω (1/4 W) resistor. When
the pin 1&2 of JP4 is closed, the resistor will connect to HART network.
When the pin 2&3 of JP4 is closed, it will disconnect the resistor from
HART network. By default, the pin1&2 of JP4 is closed.
Figure 2-1
:
Terminator Resistor
LED Name
Power
off
Firmware
Updating
Firmware
Operation
Receiving
HART Frame
from PC
Receiving
HART Frame from
HART Device
PWR LED
off
flash
on
on
on
Tx LED
off
flash
off
flash
off
Rx LED
off
flash
off
off
flash
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