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