Uniblitz N-CAS VINCENT ASSOCIATES VLM1, User Manual

Page: 19 / 23

VLM1/VLM1B User Manual 19
Specifications
System Characteristics
Name Description
VLM1/VLM1B
Interface
Allows the FS Series Shutter to be operated from a TTL signal source
for user/computer control of an FS shutter
Power Supply
Requirements +5V 0.5A min (USB5 - 1A wall adapter included – VLM1 Only). A
USB interface cable (USB A 2.0 to USB Micro B) is included
(
VLM1 only) for use with the USB5 Power Supply, or it can be
connected to a computer to supply power and data. Computer USB
must be able to supply a min of 0.5A. (See
VLM1/VLM1B
schematic in Figure #8.)
External Input Characteristics
Name Description
PULSE INPUT BNC
Active High/Active Low input. On-board jumper selectable. Default
- Active Low. (See
BNC I/O Active State Selection .)
TTL Compatible:
Minimum High Level - +2.0VDC
Maximum low Level - +0.8VDC
Max Trigger Voltage on Input - +10.0VDC
Power Requirements
PWR/COM
PWR/COM - Micro B Connector - +5VDC 0.5A min (USB5 - 1.0A
wall adapter included with the VLM1 )
USB Requirements
PWR/COM
USB 2.0 - Driver should automatically load – Link to driver is
supplied (see
USB Operation ) if computer will not load proper
driver required.
Two input ASCII commands recognized for shutter open and shutter
closed: @ - Open, A - Close.
USB - Serial UART Interface protocol settings:
Baud Rate 9600, 8 Data bits
No Parity, No Flow Control
USB Serial Commands Command Decimal HEX Octal Binary ASCII
Open 64 40 100 01000000 @
Close 65 41 101 01000001 A