Installation
Connecting External Devices
2-6
Model 15
i
Instruction Manual
Thermo Fisher Scientific
Figure 2–5.
I/O Terminal Board Views
Table 2–1.
I/O Terminal Board Pin Descriptions
Screw
Signal Description
Screw
Signal Description
1 Analog1
13
Power_Fail_NC
2 Analog
ground
14
Power_Fail_COM
3 Analog2
15
Power_Fail_NO
4 Analog
ground
16
TTL_Input1
5 Analog3
17
TTL_Input2
6 Analog
ground
18
TTL_Input3
7 Analog4
19
TTL_Input4
8
Analog ground
20
Digital ground
9 Analog5
21
TTL_Input5
10
Analog ground
22
TTL_Input6
11 Analog6
23 TTL_Input7
12
Analog ground
24
Digital ground
The analog outputs are arranged on the rear panel connector as shown in
Figure 2–6
. See
Table 2–2
for channels and pin connections.
Component Side Viewed from Top of Board
Detail “A”
Detail “B”
Assembled Connector
See Detail “A”
See Detail “B”