
Configuring a Modbus Plus Network in Modsoft with Peer Cop
870USE10110 July 2004 223
Confirming Peer Cop Summary Information
(with Modsoft for a Modbus Network with Momentum Components)
Overview Once you have defined the link and accessed a node, the Peer Cop summary
information values assume default settings. This section describes those settings
and how to confirm or change them.
Timeout The default timeout is 500 ms.
Timeout is the maximum interval that Modbus Plus on a Peer-Copped device will
remain healthy without communication activity. If this interval is exceeded, the
device will clear its network health bit and will no longer try to communicate via
Modbus Plus.
The timeout interval must be in the range 20 ... 2000 ms, and it must be specified as
an increment of 20ms.
For our example, we will change the timeout value to 240 ms.
On Error The default On Error setting is CLEAR.
The On Error setting specifies how the Peer-Copped device will treat the last values
received before a timeout, once Modbus Plus communications have been restored.
One of two settings may be used–CLEAR or HOLD. CLEAR sets all the previously
received values to 0, and HOLD retains the previous values.
For our example, we will change the setting to HOLD
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