Scanlab RTC 5 PC Interface Board Installation And Operation Manual page 571

Inputs for external TTL active-LOW, internally
start and stop signals connected to +3.3 V via
pull-up resistors (4.7 k)
edge sensitive
• /START
level sensitive
• /STOP
GND
• Reference
Other signals
5 V, TTL active-high,
• BUSY OUT
max. 10 mA
max. 100 mA
• +5 V
GND
• Reference
• EXTENSION 1 Connector
Connector 40-pin socket connector,
output signal level
configurable (via JP1)
Digital output 16 bits, buffered
< 0.4 V
• LOW level
• HIGH level > 2.0 V (3.3 V or 5 V)
• Max. current load
±8 mA
• Reference GND
• LATCH signal
3.3 V or 5 V,
TTL active-high,
5 µs pulse, max. 10 mA
Digital input 16 bits
< 0.5 V
• LOW level
> 2.6 V ... 24 V
• HIGH level
–0.5 V ... +26 V
• Max. input voltage
range
• Input resistance > 10 k
• Reference
GND
• SYNC signal
3.3 V or 5 V, TTL active-
high, square wave signal
(5 µs pulse, 10 µs period)
max. 10 mA
®
RTC 5 PC Interface Board
Rev. 1.9 e
14 Technical Specifications of the RTC
®
5 PC Interface Board
Other signals
3.3 V or 5 V, TTL active-
• BUSY OUT
high, max. 10 mA
3.3 V or 5 V,
• VCC
max. 100 mA
max. 100 mA
• +5 V
GND
• Reference
• EXTENSION 2 Connector
Connector 26-pin socket connector,
configurable (via JP2-JP8)
Digital output 8 bits, buffered
• LOW level
< 0.4 V
> 2.0 V
• HIGH level
±8 mA
• Max. current load
• Reference GND
• LATCH signal
5 V, TTL acive-high,
5 µs pulse, max. 10 mA
Laser signals LASER1, LASER2
(see LASER connector)
Other signals
max. 100 mA
• +5 V
GND
• Reference
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