Communication Port Connection - UGO BASILE 47883 Instruction Manual

4.8 Connections

4.8.1 Communication port connection

Librae Incapacitance Tester is provided with a D-sub (DA-15 Female) TTL I/O port (see Figure
3.8.2). This port can be used to synchronize some events with external instruments or
acquisition systems. TTL Output signal are electrically isolated to provide an electrical barrier
between Librae Incapacitance Tester and any other external device.
TTL signals are refered to Power Ground (pimn 14 and pin 15)
Refers to Figure 4.8.1.1 and Table 4.8.1.1 for connector pinout
Figure 4.8.1.1
Page: 30 < Librae instruction manual Back to contents 4 Operation
DB-15 Pin# Signal Name Signal Type
1 Start/Stop TTL OUT
2 Manual/Autostart TTL OUT
3 Reserved TTL OUT
4 Reserved TTL OUT
5 Reserved TTL OUT
6 Reserved TTL OUT
7 Reserved TTL OUT
8 Reserved ANALOG OUT
9 Reserved TTL IN
10 Reserved TTL IN
11 Reserved TTL IN
12 Reserved TTL OUT
13 Reserved TTL OUT
14 GND POWER
15 GND POWER
Table 4.8.1.1
NOTE: TTL OUT is designed for connection with scientific instruments! DO NOT CONNECT ANY
POWER DEVICE!
NOTE: DO NOT SINK a current more than 10mA from each TTL pin. DAMAGE WILL OCCUR
4 Operation Back to contents
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Description
Start -> TTL High Level
Stop -> TTL Low Level
Manual -> TTL High Level
Autostart -> TTL Low Level
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Power Ground
Power Ground
Librae instruction manual > Page: 31