Electro-Voice 1252, 250 operation manual Digital Status Input Module

9.9: Digital Status Input Module

Digital Status Input Module Specifications

Model Number	8DI1
Communication	RS-485, Modbus RTU
	Programmable Baud Rates: 4800, 9600, 19200, 57600
Power Requirement	15–20Vdcat 50–200 mA;
	Nexus 1250/1252 Unit
	supports up to 4 Modules
Operating Temperature	(-20 to 79)°C / (-4 to +158)°F
Voltage Rating	Up to 300Vdc
Detection	Wet/Dry, Auto Detect
Memory	256 byte I2C EEPROM for storage of Programmable
	Settings and Nonvolatile Memory
	Modbus Address: 164
Factory Settings
	Baud Rate: 57600
	Transmit Delay Time: 0
Default Settings	Modbus Address: 247
	Baud Rate: 57600
(Reset Button)
	Transmit Delay Time: 20 csec

9.9.1: Overview

The Digital Status Input Module is used for either additional status detect or for accumulating pulses from external equipment, such as power meters, water meters, etc.

Nexus 1250/1252 Unit supplies power for up to 4 connected Digital Status Input modules. See section 9.2 for power and communication details. Refer to sections 5.12 - 5.13 to determine if you must use an additonal power source, such as the EIG PSIO.

9.9.2: Communication

Maximum registers per request, read or write, is 4 registers.orm

The device will operate with the following Default Mode Parameters. See section 9.4.1 for details.

Address	247 (F7H)
Baud Rate	57600 Baud
Transmit Delay Time	20 csec

Electro Industries/GaugeTech Doc # E107706 V1.25 9-15