Instructions for the DeviceNet
®
Product
Instruction Leaflet
IL17559 Rev. D
Operated Network Interface (DPONI)
Effective August 2009
EATON CORPORATION
www.eaton.com
5
Table 1.
Combined Module/Network Status (NS) LED
For This State:
LED Is:
To Indicate:
DPONI Not Powered/
Not Online
Off
The DPONI is not online.
DPONI Operational AND
Online, Connected
Green
The DPONI is operating in a
normal condition and is online
with connections in the
established state.
5 WIRE TX
The 5 WIRE TX is a monocolor LED that flashes whenever the
DPONI is receiving communications from the attached host
device.
Troubleshooting
In the unlikely event the LEDs do not function as previously
described, the following items should be checked.
1.
If all LEDs remain off, check to make sure that the
DeviceNet terminal plug is connected and that the
DeviceNet network is under power.
2.
If the combined Module/Network status LED blinks red
and/or green, check to make sure that all the DeviceNet
devices on the network are communicating at the same rate
(125, 250, or 500 Kbps).
3.
If the combined Module/Network status LED blinks green,
then red, and then turns solid red, check to make sure that
there is a master node on the DeviceNet network and that
appropriate application software has been installed and is
functioning correctly on that master node. Then, check to
ensure that this DPONI node has a unique MAC ID.
4.
If the 5-WIRE LED remains off, check the function of the
host device on which the DPONI is mounted. If it is
connected, powered, and showing correct readings on the
faceplate, remove the DPONI’s ribbon cable from the unit
and reattach it.
5.
Check the DeviceNet network wiring for loose connections,
shorted wires, etc.
6.
If suggestions 1 through 5 do not remedy the problem, the
DPONI may need to be replaced.
CAUTION
DO NOT ATTEMPT TO SERVICE THIS EQUIPMENT. OTHERWISE,
SERIOUS INJURY OR DEATH AND/OR EQUIPMENT DAMAGE MAY
RESULT.
Specifications
Table 2.
DeviceNet Connector Ratings.
Connector Rating
V+
11 Vdc to 27 Vdc; inrush = 300 mA; steady state = 40 mA;
maximum 3 VA
V- DeviceNet
common
CANH
Reverse wiring protected to +/- 27 Vdc
CANL
Reverse wiring protected to +/- 27 Vdc
DRAIN
Shield tie point
Table 3.
System Ratings.
Item Rating
Operating Temperature
-20 C to 70 C
(-4 F to 158 F)
Storage Temperature
-20 C to 75 C
(-4 F to 167 F)
Altitude
3,048 m (10,000 ft)
Operating Humidity
5% to 90% maximum noncondensing
Environment
Indoor use only
Transient Overvoltage
Category 1
Pollution Degree
2
Communications Rate
125, 250, or 500 Kbps
DeviceNet Cable Specifications
For complete specifications, refer to the DeviceNet Specification.
“Thick” cable refers to DeviceNet trunk cable. “Thin” cable
refers to DeviceNet drop cable. “Both” refers to both trunk and
drop cable.
Table 4.
Cable Characteristics and Specifications.
Cable
Type
Electrical Characteristics
Specification at 1MHz
Both Impedance
120
ohms
Both
Propagation Delay
1.36 nsec/ft maximum
Both
Capacitance between conductors
12 pf/ft
Both
Capacitance between a conductor and
the shield
24 pf/ft
Thick
Capacitive Unbalance
370 pf/1,000 ft (304.8 m)
Thin
Capacitive Unbalance
620 pf/1,000 ft (304.8 m)
Thick
Attenuation at 125KHz
0.13 db/100 ft (30.5 m)
Thin
Attenuation at 125KHz
0.29 db/100 ft (30.5 m)
Maintenance and Care
The DPONI is designed to be a self-contained and maintenance-
free unit. The printed circuit board is calibrated and conformally
coated at the factory. The DPONI is intended to be serviced by
factory-trained personnel only.
NEVER
clean the DPONI with
host or DeviceNet power on. Clean the DPONI using only a
clean, dry cloth. Do not use water or solvents of any kind.
