Electro-Voice 1252, 250 Nexus External I/O Modules, Nexus Monitor with INP2 Internal Modem Option

8.3: TOU Prior Season and Month	. . . . . . . . .	. 8-2
8.4: Updating, Retrieving and Replacing TOU Calendars . . . .	. . . . . . . . .	. 8-2
8.5: Daylight Savings and Demand	. . . . . . . . .	. 8-2

Chapter 9: Nexus External I/O Modules

9.1: Hardware Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-1

9.1.1: Port Overview	. . . . . . . . . . . .	. . 9-2
9.2: Installing Nexus External I/O Modules	. . . . . . . . . . . .	. . 9-3
9.2.1: Power Source for I/O Modules	. . . . . . . . . . . .	. . 9-4
9.3: Using PSIO with Multiple I/O Modules	. . . . . . . . . . . .	. . 9-5
9.3.1: Steps for Attaching Multiple I/O Modules . . .	. . . . . . . . . . . .	. . 9-5
9.4: Factory Settings and Reset Button	. . . . . . . . . . . .	. . 9-6
9.5: Analog Transducer Signal Output Modules . . . .	. . . . . . . . . . . .	. . 9-7
9.5.1: Overview	. . . . . . . . . . . .	. . 9-7
9.5.2: Normal Mode	. . . . . . . . . . . .	. . 9-8
9.6: Analog Input Modules	. . . . . . . . . . . .	. . 9-9
9.6.1: Overview	. . . . . . . . . . . .	. . 9-9
9.6.2: Normal Mode	. . . . . . . . . . . . .	. 9-10
9.7: Digital Dry Contact Relay Output (Form C) Module	. . . . . . . . . . . .	. 9-11
9.7.1: Overview	. . . . . . . . . . . . .	. 9-11
9.7.2: Communication	. . . . . . . . . . . . .	. 9-12
9.7.3: Normal Mode	. . . . . . . . . . . . .	. 9-12
9.8: Digital Solid State Pulse Output (KYZ) Module .	. . . . . . . . . . . . . . 9-13
9.8.1: Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-13
9.8.2: Communication	. . . . . . . . . . . . .	. 9-14
9.8.3: Normal Mode	. . . . . . . . . . . . .	. 9-14

9.9: Digital Status Input Module	.	. 9-15
9.9.1: Overview	.	. 9-15

9.9.2: Communication	. . 9-15
9.9.3: Normal Mode	. . 9-16
9.10: Specifications	. . 9-16
Chapter 10: Nexus Monitor with INP2 - Internal Modem Option
10.1: Hardware Overview	. . 10-1
10.2: Hardware Connection . . . . . . . . . . . . . . . . . . . . . . . . . . 10-2
10.3: Dial-In Function	. . 10-2
10.4: Dial-Out Function	. . 10-2

Chapter 11: Nexus Monitor with Internal Network Option

11.1: Hardware Overview .	. .	. . . . . .	. . . . . . . . . . . . . . . .	. . 11-1
11.2: Hardware Connection	. .	. . . . . .	. . . . . . . . . . . . . . . .	. . 11-3
Chapter 12: Flicker
12.1: Overview	. .	. . . . . .	. . . . . . . . . . . . . . . .	. . 12-1
12.2: Theory of Operation	. .	. . . . . .	. . . . . . . . . . . . . . . .	. . 12-1
12.3: Setup	. . . . . . . . . . . . . . . . . . . . . . . . . . 12-3
12.4: Software - User Interface		. . . . . . . . . . . . . . . . . . . . . . . . 12-4
12.5: Logging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-7
12.6: Polling	. .	. . . . . .	. . . . . . . . . . . . . . . .	. . 12-7

Electro Industries/GaugeTech Doc # E107706 V1.25 vii