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TB1/TB2/TB3/TB4: Wiring Terminal Block
TB1
Name
Pin
PA00
1+,1-
PA01
2+,2-
PA02
3+,3-
PA03
4+,4-
PA04
5+,5-
PA05
6+,6-
PA06
7+,7-
PA07
8+,8-
PB00
9+,9-
PB01
10+,10-
PB02
11+,11-
PB03
12+,12-
TB5: External Power Source Connector
External power source connector for Dry contact mode isolation input
channels. When using Dry contact input mode, it is necessary to provide
external power through TB5. The voltage range is +5V ~ 30V DC.
TB6: Reserved for the Counter Function on PCI-1751/PCI-1751U
SW1~SW12: Wet/Dry Contact Selection
SW1 ~ SW12 are used to switch the input channels as "Wet Contact" or
"Dry Contact". The factory settings of the switches are in "Off" position,
and the input channels are in Wet contact mode.
You can set each input channel as Dry contact mode by setting the switch
to the "On" position. Following is the mapping table of the DIP switch
and the input channels.
TB2
Name
Pin
PB04
13+,13-
PB05
14+,14-
PB06
15+,15-
PB07
16+,16-
PC00
17+,17-
PC01
18+,18-
PC02
19+,19-
PC03
20+,20-
PC04
21+,21-
PC05
22+,22-
PC06
23+,23-
PC07
24+,24-
TB3
Name
Pin
PA10
25+,25-
PA11
26+,26-
PA12
27+,27-
PA13
28+,28-
PA14
29+,29-
PA15
30+,30-
PA16
31+,31-
PA17
32+,32-
PB10
33+,33-
PB11
34+,34-
PB12
35+,35-
PB13
36+,36-
7
TB4
Name
Pin
PB14
37+,37-
PB15
38+,38-
PB16
39+,39-
PB17
40+,40-
PC10
41+,41-
PC11
42+,42-
PC12
43+,43-
PC13
44+,44-
PC14
45+,45-
PC15
46+,46-
PC16
47+,47-
PC17
48+,48-
Chapter 2
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