Allen-Bradley 1747-UIC - Troubleshooting and Specifications; LED Indicator Troubleshooting; Product Specifications

Universal Serial Bus (USB) to DH-485 Interface Converter 15
Publication 1747-IN063C-EN-P - January 2006
Specifications
If the LED
Indicators Show
The Following
Error Exists
Probable
Cause
Recommended Action
• All LEDs off No power to
1747-UIC
No power from
USB port
1. Check cable connection to computer’s USB port.
2. Verify power to the computer and it’s USB port.
3. Plug the interface converter into a different
computer’s USB port to verify the condition of the
interface converter.
• OK LED on solid
• USB LED off
• DH-485 LED off
No
communication
occurring
through USB or
DH-485 ports
RSLinx is not yet
attempting to
communicate
through the
1747-UIC
interface
converter
1. Check which COM port the interface converter is
configured for.
See Identify the Assigned COM Port on page 11.
2. Verify that the RSLinx RS-232 DF1 driver is
assigned to this COM port, is configured properly,
and is running.
Examples: See page 12 for proper configuration
and page 13 for the Configure Drivers dialog that
shows that the driver is running.
• OK LED on solid
• USB LED
flashing
• DH-485 LED off
No DH-485
communication
s
Duplicate station
address
1. Verify the existing station addresses on the
DH-485 network and make sure that the RSLinx
RS-232 DF1 driver is assigned to an unused
station address in the 0 to 31 range.
• OK LED on solid
• USB LED
flashing
• DH-485 LED
flashing
RSWho doesn’t
display any
devices on the
DH-485 network
other than the
1747-UIC
Improper
connection to
DH-485 network
or improper
configuration of
RSLinx RS-232
DF1 driver
1. Verify that the SW switch is in the correct
position for the DH-485 connector being used.
2. Verify that the correct cable is being used.
See Connect DH-485 Devices to the Interface
Converter’s RS-485 Port on page 5.
3. Verify that the Device type in the RS-232 DF1
driver configuration is 1770-KF3/1747-KE so that
RSWho will browse stations 0 through 31.
Universal Serial Bus to DH-485 Interface Converter - 1747-UIC
Attribute Value
Dimensions (HxWxD), Approx. 80.8 x 46.5 x 24.5 mm (3.18 x 1.83 x 0.97 in.)
Dimensions with DIN Rail Mounting
Hardware (HxWxD), Approx.
109 x 50.6 x 31 mm (4.29 x 1.99 x 1.22 in.)
Mounting Hole Center-to-Center Spacing 39.3 mm (1.55 in) and 86.9 mm (3.42 in.)
Temperature Range 0…60 °C (32…140 °F)
USB Speed USB 1.1 (12 Mbps)
USB Power Consumption < 100 mA (low power)
DH-485 Baud Rate 19.2 Kbps only