Mitsubishi Electric AnyWire NZ2AW1C2AL, User Manual

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8 FUNCTIONS
8.2 Function Details
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8
Precautions
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Parameter setting
Parameters cannot be set in the following cases.
• When an error occurs in the AnyWireASLINK system (Example: Short circuit, 24VDC external power supply voltage drop)
• Within approximately five seconds after the AnyWireASLINK system is powered on or the system is reset
• When the automatic address detection is in progress (While Automatic address detection flag (RX(n+1)4) is on)
• When the parameter access is in progress (While Parameter access request command for the slave module (RY(n+1)0) is
on)
• When any of the following errors has occurred
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Reading and writing parameters
• All parameters are required to set properly including the unchanged parameters since writing parameters are updated all
parameters in the target slave module. Read parameters before writing them. Read the latest parameter details and set the
values of parameters updated. If the parameters are written without reading the parameter, malfunctions may occur.
• While reading or writing of parameters is in progress, Parameter access completion flag (RX(n+1)1) turns off. Refer to the
section describing the parameter access timing, and adjust the access timing. (  Page 69 Parameter access timing)
• While reading or writing of parameters is in progress, do not perform re-access to the parameters or automatic address
detection. Doing so can cause a malfunction of the module.
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Parameter access
• This operation cannot be performed to a slave module whose ID has not been registered in the bridge module.
• Eliminate a same ID used error or a no ID setting error of the slave module. Then perform the operation.
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Parameter accessing flag (with handshake)
• To start the parameter access processing using Parameter access request command for the slave module (RY(n+1)0),
Parameter access request command for the slave module (RY(n+1)0) must be on until Parameter accessing flag (with
handshake) (RX(n+1)B) turns on. When Parameter access request command for the slave module (RY(n+1)0) is turned off
before Parameter accessing flag (with handshake) (RX(n+1)B) turns on, the parameter access processing does not start.
• When Parameter access request command for the slave module (RY(n+1)0) is turned on, Parameter accessing flag (with
handshake) (RX(n+1)B) does not turn off.
• When Parameter accessing flag (with handshake) (RX(n 1)B) is on and Parameter access completion flag (RX(n 1)1) is off,
the parameter access processing does not start even Parameter access request command for the slave module
(RY(n+1)0) is turned on. Turn on the signal after the parameter access processing becomes enabled.
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Others
• Note that the bridge module may communicate with a slave module and output parameters even if no parameters are set.
Error code Error description
0064H Bridge module hardware error
0065H Bridge module hardware error
0066H Bridge module hardware error
0067H Bridge module hardware error
00C8H Transmission cable voltage drop error
00C9H DP/DN short error