
Installation
8LS User’s Guide 19
RTB Connections
The RTB provides the control outputs and additional digital inputs and
outputs as follows:
All digital outputs and the PID outputs on this ribbon connection are
Sink Outputs. They are in reference to the 5Vdc supply. The outputs will
be low when they are on.
All digital inputs are TTL level inputs and may be selected from
software if they will be high/false or low/true inputs.
Terminal Function Terminal Function
1 +5 Vdc 2 +5 Vdc
3 Logic COM 4 Logic COM
5 Spare 6 Spare
7 Spare 8 Spare
9 PID 1 Out 10 Dig 30 Out
11 PID 2 Out 12 Dig 29 Out
13 PID 3 Out 14 Dig 28 Out
15 PID 4 Out 16 Dig 27 Out
17 PID 5 Out 18 Dig 26 Out
19 PID 6 Out 20 Dig 25 Out
21 PID 7 Out 22 Dig 24 Out
23 PID 8 Out 24 Dig 23 Out
25 Dig 5 Out 26 Dig 22 Out
27 Dig 6 Out 28 Dig 21 Out
29 Dig 7 Out 30 Dig 20 Out
31 Dig 8 Out 32 Dig 19 Out
33 Dig 9 Out 34 Dig 18 Out
35 Dig 10 Out 36 Dig 17 Out
37 Dig 11 Out 38 Dig 16 Out
39 Dig 12 Out 40 Dig 15 Out
41 Dig 13 Out 42 Dig 14 Out
43 Dig 1 In 44 Dig 2 In
45 Dig 3 In 46 Dig 4 In
47 Dig 5 In 48 Dig 6 In
49 Dig 7 In 50 Dig 8 In
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