ICS GPIB-to-Serial Interface Board 4804B

Levertijd:
3~4 weken
SKU
4804B

GPIB to Serial Interface Board

● Provides user selectable single-ended RS-232 and balanced RS-422/RS-485 serial signals. Matches any asynchronous serial interface.
● Functions as a GPIB-to-Serial Interface (G-Mode) or as a Serial-to-GPIB Controller for a single device (S-Mode). Versitle interface board.
● > 600 kbyte/sec GPIB transfer rate. Reduces bus transfer time.
● GPIB/Serial configurations stored in E2PROM. Easy setup eliminates removing covers to change or check the configuration.
● GPIB Address can be set by SCPI commands, by an external rocker switch or by a serial command. User can select address setting method.
● On board regulator for operation from 5 ~ 15 VDC power. Runs off of almost any power supply.
● Designed for easy installation as an OEM interface. Not just a board without its enclosure.
● Includes Test LEDs. Provides visual indication of unit's operation and selftest status.

The Model 4804B GPIB <-> Serial Interface Board is a transparent bidirectional IEEE 488.2/GPIB to Serial Interface that is used to adapt devices with serial interfaces to the GPIB or HP-IB bus. The ICS GPIB-to-Serial Interface Board 4804B provides user selected RS-232 or RS-422 full-duplex signals at rates up to 38,4000 baud. The 4804B can also be programmed for half-duplex, two wire operation to control an RS-485 device or network. In a typical application, the ICS GPIB-to-Serial Interface Board 4804B is located inside the device chassis and is powered by a small amount of DC power from the host's power supply. The 4804B is a quick and easy way to add an IEEE-488.2 interface to any device with a RS-232 or RS-422/RS-485 serial interface.

 

The ICS GPIB-to-Serial Interface Board 4804B operates in either of two modes. In the G-Mode it interfaces serial devices to the GPIB bus. In the S-Mode it can control a single GPIB device from a serial source.

Meer informatie
Art.nr.
4804B
Fabrikant
ICS Electronics
Land van herkomst
Verenigde Staten
GPIB Capabilities
IEEE 488 Bus Interface
The 4804B's 488 Bus interface meets IEEE STD 488.1-1987 and has the following capabilities:
G Mode: SH1, AH1, T6, L3, SR1, PP0, DC1, RL0, DT1, C0 and E1/E2 drivers.
S Mode: SH1, AH1, T3, L2, SR0, PP0, DC0, RL0, DT0, C0 and E1/E2 drivers.
GPIB Addresses 0-30 primary addresses
SRQ Generation
SRQs are generated if the unit is not addressed to talk, if SRQs are enabled and one of the following occurs:
488.2 Mode: Any combination of enabled ESR, STB, Operational or Questionable register bit(s). Includes data in Rx buffer, Rx message received, Rx buffer full, GPIB buffer empty and GPIB buffer full.
NI-CV Emulation Mode: GPIB buffer empty and data in serial buffer only.
Escape Sequence In G mode the 4804B powers up in the transparent Data sub-mode. Device Trigger is used to switch from Data to Command sub-mode to query or configure the board. The SCPI SYST:OPER DATA command is used to switch back to the Data sub-mode.
488.2 Common Commands *CLS, *ESE, *ESE?, *ESR?, *IDN?, *OPC, *OPC?, *RST, *SRE, *STB, *TST?, IST?, *PRE, *PRE?, *PCB, *SRE? and *WAI
Buffers
GPIB Input 2048 bytes
Serial Input 2048 bytes
Data Transfer Rate > 600 Kbytes/sec.
4804/4804A Compatibility In the G-Mode, the 4804B uses the GPIB Device Trigger command to switch from Data to the Command sub-mode. The older Model 4804s and 4804As used an Listen-Unlisten escape sequence which is not recommended for use with high-speed computers. All other functions and commands are identical.
Interface Specifications
Serial Interface Serial signals conform to EIA Specifications for RS-232 single or RS-485 (RS-422) differential signals.
Baud Rates 300, 600, 1.2K, 2.4K, 4.8K, 9.6K,19.2K and 38.4K baud
Data Bits 7 or 8 bits
Parity Odd, even or none
Stop Bits 1 or 2
Data Transfer Protocol
Hardware handshake always enabled.
X-on/X-off enabled by SCSI command.
SCSI Commands

The 4804B conforms to the SCPI 1994.0 Specification and uses SCPI commands to select:
- 488.2/CV mode
- GPIB /Serial mode
- GPIB Bus Address
- SRQ Enable/Disable
- Direction swap selection (Serial mode only)
- 7/8 data bits
- 1/2 stop bits
- Xon/Xoff protocol enable
- Odd/even parity
- Parity enable/disable
- Baud rate select

Controls and Indicators
Test LEDs PWR, RDY, TALK, LSTN, BUSY and
BUFFER FULL
Grootte
139.7 x 114.3 x 12.7mm (l x w x h)
Connectors and Headers
GPIB 24-pin 3M 2524 male connector
GPIB/Addr 26-pin 3M 2526 male connector
Serial
26-pin 3M 2526 male connector
DB-25P male connector
Omgeving
Operating Temperature -10 °C ~ +70 °C
Storage Temperature -20 °C ~ +85 °C
Humidity 0-90% RH without condensation
Power
Regulated +5 Vdc or Unregulated +5.5 to +15 VDC @ 300 mA (typical)
Included Accessories
Instruction Manual
Configuration Disk with sample programs.
ICS GPIB-to-Serial Interface Board 4804B aanpassen
Aantal

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GPIB to Serial Interface Board
ICS GPIB-to-Serial Interface Board 4804B
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