AH500 Module Manual
11-6
11.2.3 DeviceNet Communication Connector
The connector is used on the connection to DeviceNet. Wire it by using the connector enclosed with
AHRTU-DNET-5A.
Pin definition of DeviceNet connector:
Pin Signal Color Description
1 V+ Red 24 V DC
2 CAN_H White
Signal (positive
pole)
3 SHIELD -
to a shielded
cable.
4 CAN_L Blue
Signal
(negative pole)
5 V- Black 0 V DC
Note:
Connect externally one 24 V DC network power between V+ and V-.
One 121 ohm terminal resistor may be needed to connect between white (CAN_H) and blue
(CAN_L) signal cable. For more details, please refer to the information in section 11.3.5.
11.2.4 Address Switch
The switch is used on setting up the node address of AHRTU-DNET-5A on DeviceNet. Range:
00~63 (64~99 are forbidden.)
Switch setting Description
0 … 63 Valid DeviceNet node address
64…99 Invalid DeviceNet node address
Example: If you need to set the node address of AHRTU-DNET-5A to 26, simply switch the
corresponding switch of x10
1
to 2 and the corresponding switch of x10
0
to 6.
Note:
1. Please set up the node address when the power is switched OFF. After the setup is completed,
repower AHRTU-DNET-5A. While AHRTU-DNET-5A is working, changing the setting of node
address will be invalid.
2. Use slotted screwdriver to rotate the switch carefully in case you scratch the switch. Please see
section 3.5 for more details.
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