Grass Valley NV9700 User Manual
NV9700
Switch and Status LEDs for
System Controller 1
Switch and Status LEDs for
System Controller 2
Buzzer and
Mute Switch
Panel
Health LED
Power Supply
LEDs
This brief guide describes the NV9700 Remote Diagnostic and Changeover Panel, a small and simple device that is part of a redundant NV9000 control system.
Please refer to the NV9000 documentation for information about NV9000 and its operation.
Introduction
The NV9700 is a slim 1RU device that allows an NV9000 operator these capabilities:
In addition, the NV9700 has a set of relay (GPO) outputs at the rear that can control fairly heavyduty external circuitry. The relays reflect the status conditions that are indicated at the front of the
panel. (See the Specifications
This is the front of the panel:
• See at a glance which NV9000 system controller is active.
• See at a glance whether an NV9000 system controller has an abnormal condition.
• Force a switch from one system controller to the other at any time.
• Hear an alert signal when an alarm condition occurs.
on page 10.)
There are two large push-button switches and 3 status LEDs for each of the two redundant system
controllers. Pressing the button forces the system active. The 3 LEDs indicate:
• Left, green LED
— system controller is “healthy.”
• Middle, amber LED — the system controller is active. Normally, one controller is active.
• Right, red LED
— the system controller has an alarm condition.
Buzzer
The front of the panel has an internal buzzer that sounds when an alarm condition arises. The
buzzer is behind the speaker icon imprinted on the panel. The buzzer can be disabled.
Next to the buzzer is a mute button. When the buzzer sounds and an operator responds to the alarm,
the operator may press the mute button to turn off the buzzer. (The mute is not a toggle. The buzzer
remains muted until another alarm condition occurs.)
Panel Health
At the right end of the panel are 3 more LEDs. Two represent the two (redundant) power supplies
and are illuminated when the power supply is connected and power is good. The remaining LED
NV9700 • User’s Guide 1
NV9700
Relay (GPO) Output
Connector
Controller
Connectors
DIP SwitchesPS1, PS2
Connections
(“Panel Health”) is green when the NV9700 itself is functioning properly and red if the NV9700 is
malfunctioning.
Panel Rear
This is a view of the rear of the panel:
At the left end are two power supply connectors. The NV9700 uses one or two PS0001 power sup-
— two for redundancy. The connectors are keyed 4-pin Molex connectors. It is not possible to
plies
connect the power supplies incorrectly. The connectors are labeled PS1 and PS2. LEDs on the front
of the panel are also labeled PS1 and PS2 and indicate whether a (good) power supply is connected.
Controller Connectors
Next to the power supply connectors are two DE9 connectors. These connect to the NV9000 system controllers. The protocol is RS-422.
See Controller Connections
for detail.
Relay Outputs
In the middle is a DB25 connector that supports relay output. The connector is labeled ‘GPI Interface’. (This is a bit of misnomer. The DB25 supports general-purpose outputs or GPOs.)
The connector presents 7 relay outputs:
• Three (health, active, alarm) for system controller 1.
• Three (health, active, alarm) for system controller 2.
• One (alarm) triggered when any alarm condition exists.
See Relay Connections
for detail.
DIP Switches
At the far right is an exposed set of DIP switches. There are 4 switches. The up position means the
switch is closed; the down position means the switch is open.
Switch 1 (on the left) enables the buzzer, when the switch is up.
Switch 4 (on the right) enables a technician to install new firmware in the panel. This switch should
be down under normal operation (and up to allow the firmware installation).
Switches 2 and 3 are unused at present.
Connections
For it to be useful, you must connect the NV9700 to both system controllers. You have the option of
using any or all of the relays to control external circuitry.
2 Rev 1.3 • 25 Nov 14
NV9700
Connections
Controller Connections
The first step is to connect one serial (controller) port to one NV9000 system controller and the
other serial port to the other NV9000 system controller.
Each of the NV9000 system controllers must have a serial card installed. (There are several options
regarding the serial cards. Consult your service representative to determine your options.) Depending on the serial card installed in the NV9000, you will need either a straight-through serial cable or
a cross-over cable. See Cabling
These are two 8-port examples. There are other types of serial cards. In any case, the protocol is
RS-422, 9600 Baud, 8 data bits, 1 stop bit, no parity.
The second step is to create a registry variable in each of the NV9000 controllers:
, next page.
The registry variable allows the NV9000 software to monitor the serial port.
The variable is named
the NV97000 connection. In the preceding illustration, the port number is 5.
The numbering of the serial monitors starts at 0.
To launch the registry editor, choose ‘Run...’ from the Start menu, type ‘regedit’ and click OK:
Refer to the NV9000-SE Utilities User’s Guide for additional information.
NV9700 • User’s Guide 3
SerialMonitor0, a DWORD, and its value is the serial port number used by
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