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Environmental Monitoring and Control Adapters
 

PDF print version of this specification : A4 or Letter

The Environmental Monitoring and Control (EMAC) Adapters provide a compact solution for monitoring the health of a system's internal environment, including power supplies, temperatures, smoke detectors and cooling fan operation. Eight open collector and eight digital output lines are also provided for the control of the monitored system.

The adapter is available in the following industry standard compliant formfactors :

  • PMC

    • Air-coolded PMC adapter with frontpanel I/O (IEEE Std 1386.1-2001)

    • Conduction-Cooled PMC (CCPMC) adapter with backplane I/O (ANSI/VITA 20-2001)

  • PC/104-Plus (PC/104-Plus v2.0)

A standalone EMAC unit (based on the board-level EMAC Adapter) is also available. In the standalone form, the EMAC communicates to its host via an RS-232 serial link.
 

Features

  • The EMAC PMC and CCPMC Adapters employ a PCI-based dual channel, industry standard 16550 compatible UART

  • The EMAC PC/104-Plus Adapter employs both a PCI and an ISA-based dual channel UART. Either of these can be configured to interface with the EMAC functions, the other UART providing two additional COM ports to the user

  • Equipped with a Watchdog Timer to restart the EMAC PMC Adapter in case of software failure

  • The firmware is field upgradeable

Functions

  • Monitoring

Power Supply Voltages
Up to six positive and two negative DC (Direct Current) voltages can be monitored via a 10-bit analogue-to-digital converter. The EMAC PMC Adapter is configured to monitor -12 V, +5 V, +12 V and +24 V by default, but can be modified to measure a wider range of DC voltages.

Temperature
Up to eight DS18S20 or DS18B20 temperature sensors can be monitored at any time. Power to the sensors is supplied by the EMAC PMC Adapter.

Fan Speed
The rotation speed of up to eight cooling fans can be monitored at any time. The EMAC PMC Adapter is able to connect to an open collector signal output or a TTL compatible output of a cooling fan sensor equipped with Pulse Width Modulated (PWM) outputs. The output signal of each cooling fan is isolated by a photocoupler.

Smoke Detectors
The status of up to eight smoke detectors can be monitored at any time by the EMAC PMC Adapter. The output signal of each smoke detector is isolated by a photocoupler.

  • Controlling

Eight outputs to drive, for example, LEDs. Eight open collector outputs can sink 24 V @ 1,6 A each to control, for example warning lamps and alarms or for other functions. The default configurations are :

Power Warning : When any one of the power modules exceeds the user-specified operating temperature.
Temperature Warning : When any one of the temperature sensors indicates temperatures outside the user-specified range.
Voltage Warning : When any one of the power modules operates outside the user-specified voltage limits.
User Warning : Any function can be implemented in firmware on request.

 

Specifications

Bus Interface

32-bit, 33/66 MHz
Electrically : PCI Rev.2.3, 3,3 V and 5,0 V signalling

I/O Addresses

Automatically assigned to the slot by PCI Rev. 2.3 Plug-and-Play

EEPROM

1 K EEPROM for board PCI ID (Plug-and-Play) and configuration options
64 K EEPROM for configuration and user parameters, accessed via the embedded firmware

Interrupts

PCI INT A

I/O Interface

Various frontpanel (PMC and PC/104+) and rear connector (PMC and CCPMC Jn4) pin assignments

Data Rate

4 800 baud to 38,4 kbaud (9 600 baud standard)

CAN Interface

Two Controller Area Network (CAN) interfaces provided, conforming to CAN Specification Version 2.0 Part A and B, with a maximum bit rate of 1 MHz

Power

5,0 V @ 0,60 A (PCI / ISA supply)
6,0 V to 60,0 V @ 0,45 A (external supply)

Software Drivers

The EMAC uses an industry standard UART to the user. As such, no specific driver is required for most Operating Systems. VxWorks source code to locate the device in PCI spates and obtain a pointer to the UART is supplied as an example

 

Characteristics

Formfactor

Dimensions

Mass

PMC (IEEE Std 1386.1-2001)

149,00 mm x 74,00 mm, conforming to CMC envelope

92 10 g

CCPMC (ANSI/VITA 20-2001)

143,65 mm x 74,00 mm, conforming to VITA 20 envelope

80 10 g

PC/104-Plus (PC/104-Plus v2.0)

95,9 mm x 90,2 mm x 23,8 mm

100 10 g

 

Reliability

MTBF

Figures according to MIL-HDBK-217F, Parts Count Method (Predicted)

Ground, Mobile
Naval, Sheltered
Airborne, Inhabited Cargo

Ta = 45 C
Ta = 40 C
Ta = 55 C

21 000 hrs
35 000 hrs
25 000 hrs

 

Environmental Specifications

 

Commercial Grade

Industrial Grade

Conduction-Cooled/Ruggedised Grade

Temperature
- Operating
- Storage

 
   0 C to +55 C
-40 C to +85 C

 
-15 C to +75 C
-40 C to +85 C


-40 C to +  85 C
-55 C to +125 C

Humidity

0% - 90%

0% - 95%

0% - 95%

Shock

N/A

30 g peak for 11 ms

40 g peak for 11 ms

Vibration
- Sine
- Random


2 g (peak) 10 Hz to 100 Hz
0,04 g/Hz at 15 Hz to 2 kHz


10 g (peak) 5 Hz to 2 kHz
0,1 g/Hz at 15 Hz to 2 kHz


10 g (peak) 5 Hz to 2 kHz
0,1 g/Hz at 15 Hz to 2 kHz

 

Part Selector

Part Designation

Formfactor

Grade

I/O Options

CCII/EMAC/PMC/FP/COM

PMC

Commercial

Frontpanel or Backplane I/O

CCII/EMAC/PMC/FP/IND

PMC

Industrial

Frontpanel or Backplane I/O

CCII/EMAC/PMC/FP/RGD

PMC

Ruggedised

Frontpanel or Backplane I/O

CCII/EMAC/PMC/BP/CC

CCPMC

Conduction-Cooled

Backplane I/O

CCII/EMAC/PC104/FP/COM

PC/104-Plus

Commercial

Frontpanel I/O

CCII/EMAC/PC104/FP/IND

PC/104-Plus

Industrial

Frontpanel I/O

CCII/EMAC/PC104/FP/RGD

PC/104-Plus

Ruggedised

Frontpanel I/O

 


CLCPS002 Rev.2  2010-06-06
CCII Systems (Pty) Ltd P.O. Box 171 Rondebosch 7701  South Africa 
Telephone : (+27 21) 683 5490 Facsimile : (+2721) 683 5435 WWW : www.ccii.co.za