SMC Networks EX120-SDN1-X2 Operation Manual page 18

•HOLD/CLEAR setting (Switch No.9)
Set the output condition when a communication error is generated. (All outputs will be set with the same
∗
conditions. )
The default setting of this function is both switches "OFF", so the default value is set to CLEAR.
Switch No.
CLEAR
HOLD/CLEAR
HOLD
∗: It is possible to set the operation setting of each output via the network, when a communication error is generated.
•HW/SW setting (switch No.10)
Set the method of selecting the address, speed and output condition settings, which can be set either by
switch setting or via the network.
The default setting of this function is both switches "OFF", so the default value is set to HW.
Switch No.
HW
HW/SW
SW
∗: Refer to "Network setting" for the setting method via the network.
○Settings via the network (EX12∗-SDN1-X26/-X77)
It is possible to set the node address (MAC_ID), DeviceNet
the network, when a communication error is generated, in accordance with the procedure below.
•Node address setting, Communication speed setting
1) Turn on (SW mode) the switch No. 10 of the 10-digit switch mounted on the SI unit.
2) Change the instance attribute value via the network as indicated below.
Class
03h
TM
(DeviceNet )
∗: The address and communication speed set in SW mode will be kept even after the DeviceNet
the SI unit is turned off.
When the power supply is applied in HW mode setting, the node address and communication speed set in SW mode is deleted
and the set value on the switch is memorized.
No.9
0 If a communication error occurs, the output will be cleared.
1 If a communication error occurs, the output will be retained.
No.10
0 Address/communication speed is set using switches No. 1 to 8.
Address/communication speed is set via the network.
1
The function of the switches No.1 to 8 will become invalid.
Instance Attribute
01h (01) 01h (01)
01h (01) 02h (02)
Function
Function
TM
communication speed and output condition via
Description
MAC ID
(Node address)
Baud_rate
(Communication speed)
-17-
0: OFF 1: ON
0: OFF 1: ON
∗
Value
0 to 63
0: 125 kbps
1: 250 kbps
2: 500 kbps
TM
communication power supply to
No.EX##-OME0015-C