RS-485 Connections

ION 7500 / ION 7600 User’s Guide	COM1 Port

RS-485

COM

SH + --

External Modem Connections

Specification	Description

Cable Type	Standard straight-through RS-232 cable

Cable Ends	DB9 female end for mating with the DB9 male connector on the meter

Max. Cable Length	50 feet (15.2 m)

RS-485 connections are made via the captured-wire connectors on the rear of the meter. Devices can be connected in series using RS-485 (see diagram to the left). Be sure not to ground the wires at both ends.

Specifications are as follows:

	Specification	Value

	Baud Rates	300 to 57,600 bps (default is 9,600 bps)

	Duplex	Half

	Supported Protocols	ION, Modbus RTU, DNP 3.0, FACTORY, Iec870-102, GPS: Arbiter,
	Supported Protocols	GPS: TRUE TIME DATUM, EtherGate, ModemGate (default is ION)
		GPS: TRUE TIME DATUM, EtherGate, ModemGate (default is ION)

		Optical isolation from all other inputs and outputs (the COM1 RS-485 port
	Isolation	is not isolated from the COM1 RS-232 port); isolation voltage is 750 V
		peak for 10 seconds @ 60 Hz.

Connections

	Specification	Description

	Cable Type	Good quality shielded twisted pair cable, AWG 22 or larger.

	Max. Cable Length	4,000 ft. (1219 m) 1
	Max. number of	32
	devices per bus	32
	devices per bus

1The lengths of all (+ and –) cable segments must be counted including those that connect devices to terminal blocks.

Terminal connections on the meter are marked as follows:

Marking	Terminal Function

SHLD	RS-485	Shield

–	RS-485	Data Minus

+	RS-485	Data Plus

Chapter 6 - Hardware Reference

Page 165

7500, 7600 specifications

Multi-Tech Systems has established a strong reputation in the realm of communication technology, particularly known for its innovative products that cater to various industrial applications. Among their popular offerings are the Multi-Tech Systems 7600 and 7500 series, both designed to address the increasing demand for reliable, efficient, and flexible communication solutions in a connected world.

The Multi-Tech 7600 series is renowned for its robust design and multifunctional capabilities. One of its main features is support for multiple communication protocols, including cellular, wired, and wireless networks, ensuring seamless connectivity across different platforms. This versatility makes it an ideal choice for applications in industries such as transportation, healthcare, and logistics. The device is equipped with advanced signal processing technology, which enables it to maintain high-quality connections even in challenging environments.

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In terms of characteristics, both the 7600 and 7500 series are designed for ease of integration, featuring user-friendly interfaces and comprehensive development tools. This empowers developers to quickly deploy solutions and minimizes time to market. Additionally, the products offer extensive documentation and support, facilitating efficient onboarding for new users.

Overall, Multi-Tech Systems’ 7600 and 7500 series provide a powerful combination of features, technologies, and characteristics that make them standout choices for organizations looking to enhance their communication capabilities in a rapidly evolving digital landscape. Their capability to connect and interact with a wide range of devices and protocols ensures that businesses can adapt, innovate, and thrive in an increasingly connected world.

Multi-Tech Systems 7500, 7600 manual RS-485 Connections, Specifications are as follows

Models: 7500 7600

External Modem Connections

Specification