Siemens 200 SmartLinx Reserved P750 to P769, Communications P770 to P782, P770 Port Protocol

Parameters

SmartLinx Reserved (P750 to P769)

These parameters are reserved for optional SmartLinx communications cards and vary by card. Refer to the SmartLinx documentation to determine if any of them are used.

Communications (P770 to P782)

The MultiRanger communication ports are configured by a series of parameters that are indexed by port. See the Communications section on page 89 for a complete description of communications set-up.

Communication parameters are indexed to these communication ports, unless otherwise noted:

Port Description

1RS-232 port (RJ-11 modular telephone)

2RS 485 port on terminal block

P770 Port Protocol

The communications protocol used between the MultiRanger and other devices.

Primary Index	Communications Port
	0		Communications port disabled
	1		Siemens Milltronics Dolphin protocol
Values
	2		Modbus ASCII slave serial protocol
	3	*	Modbus RTU slave serial protocol (preset for ports 1 and 2)

The MultiRanger supports the internationally recognized Modbus standard in both ASCII and RTU formats. Other protocols are available with optional SmartLinx cards.

P771 Network Address

The unique identifier of the MultiRanger on the network.

Primary Index	Communications Port
Values	Range: 0 to 9999
	1	*	Preset:

For devices connected with the Siemens Milltronics protocol this parameter is ignored. For devices connected with a serial Modbus slave protocol, this parameter is a number from 1-247. The network administrator must ensure that all devices on the network have unique addresses. Do not use the value 0 for Modbus communications as this is the broadcast address and is inappropriate for a slave device.

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