Caen V977, Technical Information Manual

Page: 6 / 21

Document type: Title: Revision date: Revision:
User's Manual (MUT) Mod. V977 16 Channel I/O Register (Status A) 27/08/2004 1
NPO: Filename: Number of pages: Page:
00118/01:V977X.MUTX/01 V977_REV1.DOC 21 6
2. Specifications
2.1. Packaging
1-unit wide VME unit. Height: 6U.
2.2. External components
CONNECTORS:
Function Logic Type
connector Note
16 CHANNELS INPUTS NIM or TTL LEMO 00 50
Ω
impedance
16 CHANNELS OUTPUTS NIM or TTL (selectable) LEMO 00
1 TEST OUTPUT NIM or TTL (selectable) LEMO 00
1 CLEAR INPUT NIM or TTL LEMO 00 50
Ω
impedance
1 GATE INPUT NIM or TTL LEMO 00 50
Ω
impedance
2 OR and NOT OR OUTPUT NIM or TTL (selectable) LEMO 00
LEDS
Name Function Color
16 I/O STATUS Depends on the module’s programming
status (see § 3.1) Green
16 I/O STATUS Depends on the module’s programming
status (see § 3.1) Green
1 DTACK
DATA ACKNOWLEDGE command; lights up
each time a VME access is performed.
Green
1 TEST Lights up as a test signal is sent via
pushbutton Green
1 PATTERN Indicates the module’s programming status;
lights up as the module is programmed in
PATTERN mode (see § 3.1) Yellow
1 NIM/TTL Indicates the selected outputs level:
RED=NIM
GREEN=TTL Red/Green
All LEDs also lights up for a while at power ON to indicate that the board is configuring.
PUSHBUTTON:
No.1, to send the TEST input pulse.