25-Pin Terminal Board; Figure 2-9. D/O Terminal Board Views; Table 2-4. D/O Terminal Board Pin Descriptions - Thermo Scientific 5028i Instruction Manual

See Detail "A"
Component Side Viewed from Top of Board
Assembled Connector

25-Pin Terminal Board

Thermo Fisher Scientific
See Detail "B"
Figure 2–9. D/O Terminal Board Views
Table 2–4. D/O Terminal Board Pin Descriptions
Screw Signal Description
1 Relay1_ContactA
2 Relay1_ContactB
3 Relay2_ContactA
4 Relay2_ContactB
5 Relay3_ContactA
6 Relay3_ContactB
7 Relay4_ContactA
8 Relay4_ContactB
9 Relay5_ContactA
10 Relay5_ContactB
11 Relay6_ContactA
12 Relay6_ContactB
The 25-pin terminal board is included with the optional I/O Expansion
Board. Figure 2–10
cable (customer supplied) to the terminal board using the included tie-
down and spacer. Table 2–5
signals.
Detail "A"
Screw
13
14
15
16
17
18
19
20
21
22
23
24
shows the recommended method for attaching the
identifies the connector pins and associated
Installation
Connecting External Devices
Detail "B"
Signal Description
Relay7_ContactA
Relay7_ContactB
Relay8_ContactA
Relay8_ContactB
Relay9_ContactA
Relay9_ContactB
Relay10_ContactA
Relay10_ContactB
(not used)
+24V
(not used)
+24V
Model 5028i Instruction Manual 2-15