1114 Dimensions are shown for
reference purposes only. Dimensions are in inches over
(millimeters) unless otherwise
specified.
Specifications and availability
subject to change.
P&B
Catalog 1308242
Issued 3-03 (PDF Rev. 8-04)
www.tycoelectronics.com
Technical support:
Refer to inside back cover.
2IO series
Mounting Boards for
Input/Output Modules
• LED status indicators, plug-in fuses & pull-up resistors
• Card edge logic connections (2IO8, 2IO16 & 2IO24)
• Screw terminal logic connections (2IO4A, 2IO4B, 2IO4C, 2IO16A,
2IO16B & 2IO16C)
• Screw terminals for field wiring
• UL recognized/CSA certified for 125V max. with 5A fuses;
250V max. with #22 solid copper jumper wire instead of fuses
File E61482
File LR15734-93
Ordering Information – Boldface items listed below are more likely to be maintained in stock by authorized distributors.
Part Number 2IO4A 2IO4B 2IO4C 2IO8 2IO16 2IO16A 2IO16B 2IO16C 2IO24
Number of I/O Channels 444816161616 24
Number of Module Positions 444816161616 24
Field Terminals: Screw Terminals XXXXXXXX X
Logic Terminals: Screw Terminals X X X X X X
Logic Terminals: 26-pin card edge connector X
Logic Terminals: 50-pin card edge connector X X X
Designed for neg. true logic; one logic voltage X X X X X
Designed for neg. or pos. true logic; mult. logic voltages X X
Designed for neg. true logic; mult. logic voltages X X
2IO4C Schematic
Designed to operate with neg. true logic (active low) systems & different logic voltages.
POWER BARRIER BLOCK
9 TERMINAL 2 PLACES
FUSE
5 AMP
PULL-UP
RESISTOR
3.3k Ω
SIGNAL
BARRIER
BLOCK
4.50
(114.3)
4.00
(101.6)
0.25
(6.35)
3.00
(76.20)
3.50
(88.90)
LED STATUS
INDICATOR
2.20 MAX. TO TOP
(55.8) OF MODULES
.150 DIA.
(3.81)
RIVETED STANDOFF
THRU HOLE
4 PLACES
123456789
1
2
34
56
78
9
0.75
(19.05)
LOGIC INPUT/OUTPUT
BARRIER
STRIP
PULL-UP
RESISTOR
3.3k Ω
TYPICAL
LED
123 45 67 89
3
4
5
+ LOGIC
FIELD INPUT/OUTPUT SIDE IS IDENTICAL TO 2104A
FIELD INPUT/OUTPUT SIDE IS IDENTICAL TO 2104A
LOGIC INPUT/OUTPUT
BARRIER
STRIP
PULL-UP
RESISTOR
3.3k Ω
TYPICAL
LED
123 45 67 89
3
4
5
LOGIC
GND.
2IO4A, 2IO4B & 2IO4C Outline Dimensions Suggested Mating Connectors and Fuses
26-pin card edge connector 3M 3462-0001*
50-pin card edge connector 3M 3415-0001*
5 amp fuse Littelfuse 251-005*
1 amp fuse** Littelfuse 251-001*
* Or equivalent. Customer assumes ultimate responsibility for applicability.
** Used on 2IO24 only.
Designed to operate with either neg. or pos. true logic (active low or high) systems & different
logic voltages. (output modules only - input modules must be used in negative logic systems
only.)
2IO4B Schematic
FIELD INPUT/OUTPUT
BARRIER
STRIP
FUSE
5 AMP
TYP.
BARRIER
STRIP
LOGIC GND.
LOGIC INPUT/OUTPUT
PULL-UP
RESISTOR
3.3k Ω
TYPICAL
LED
123 456798
123 45 679
8
1
2
3
4
5
SPARE
+ LOGIC
Designed to operate with neg. true logic (active low) systems & one logic voltage.
2IO4A Schematic
Users should thoroughly review the technical data before selecting a product part
number. It is recommended that users also seek out the pertinent approvals files of the
agencies/laboratories and review them to ensure the product meets the requirements
for a given application.
1115
Dimensions are shown for
reference purposes only. Dimensions are in inches over
(millimeters) unless otherwise
specified.
Specifications and availability
subject to change. www.tycoelectronics.com
Technical support:
Refer to inside back cover.
P&B
Catalog 1308242
Issued 3-03 (PDF Rev. 8-04)
2IO8 Outline Dimensions
16 151413121110 9 8 7 6 54321
+
-
01234567
BARRIER STRIP
2 TERMINAL
LOGIC SUPPLY INPUT BARRIER STRIP
16 TERMINAL
FUSE
5 AMP
3.50
(88.90)
3.00
(76.20)
0.25
(6.35)
PULL-UP
RESISTOR
3.3k Ω
7.5
(190.5)
8.00
(203.2)
PIN
49/25
1.40
(35.56)
0.39
(7.62)
0.40
(10.16)
0.45
(11.43)
2.60
(66.04)
KEY SLOT
LED STATUS
INDICATOR
2.20 MAX TO TOP
(55.8) OF MODULES
0.75
(19.05)
RIVETED STANDOFF
THRU HOLE
4 PLACES .150 DIA.
(3.81)
1 2 3 4 5 6 7 8 9 10 1112 1314
15 16
+
-
49
47
45
43
41
39
37
35
33
25
1
25
23
21
19
17
15
13
11
9
1
FIELD INPUT/OUTPUT
BARRIER STRIP
EDGE
CONN.
BOT.
ALL
EVEN
PINS
LOGIC GND.
TOP
+LOGIC
LOGIC INPUT/OUTPUT
50
PIN
CONN.
26
PIN
CONN.
OR LED
PULL-UP
RESISTOR
3.3k Ω
TYPICAL
FUSE
5 AMP
TYP.
USER INSTALLABLE
JUMPER 2 (PLCS)
1
2
3
4
5
2IO8 Schematic
Designed to operate with neg. true logic (active low) systems & one logic voltage.
2IO16 Outline Dimensions
PULL-UP
RESISTOR
3.3k Ω
32313029282726252423222120191817
1615141312
1110 987654321
-
+
0
123456789
10 11 12 13 14 15
BARRIER STRIP
2 TERMINAL
LOGIC SUPPLY INPUT
BARRIER STRIP
16 TERMINAL
2 PLACES
EDGE CARD IS ARRANGED TO
ACCOMMODATE 50 CONTACT 0.1" (3mm)
CENTER CARD EDGE CONNECTOR
LED STATUS
INDICATOR
14.05
(356.87) 0.25
(6.35)
1.40
(35.56)
1.60
(40.64)
0.25
(6.35)
FUSE
5 AMP
2.20 MAX. TO TOP
(55.8) OF MODULES
0.75
(19.05)
150 DIA.
(3.81)
6.25
(158.75) RIVETED STANDOFF
THRU HOLE
4 PLACES
NYLON STANDOFF
7.30
(185.42)
0.45
(11.43)
1
11
13
KEY SLOT
3.50
(88.90)
0.40
(10.16)
2.60
(66.04)
3231
30
2928272625242322212019
18
171615
14
1312
11
10
9
876542
13
1
17
19
21
23
25
27
29
31
33
35
37
39
41
43
45
47
49
-
+
BARRIER STRIPS FIELD INPUT/OUTPUT
LED
USER INSTALLABLE
JUMPER (2 PLACES)
+ LOGIC
LOGIC ALL
GND. EVEN
PINS
LOGIC INPUT/OUTPUT
EDGE
CONN.
BOT.
TOP
PULL-UP
RESISTOR
3.3k Ω
TYPICAL
FUSE
5 AMP
TYP.
1
2
3
4
5
2IO16 Schematic
Designed to operate with neg. true logic (active low) systems & one logic voltage.
1116 Dimensions are shown for
reference purposes only. Dimensions are in inches over
(millimeters) unless otherwise
specified.
Specifications and availability
subject to change.
P&B
Catalog 1308242
Issued 3-03 (PDF Rev. 8-04)
www.tycoelectronics.com
Technical support:
Refer to inside back cover.
2IO16A Schematic
Designed to operate with neg. true logic (active low) systems & one logic voltage.
2IO16A, 2IO16B & 2IO16C Outline Dimensions
1 2 3 4 5 6 7 8 9 10 1112 1314 1516 1718 1920 2122 2324 2526 2728 2930 3132
+ - 1 2 3 4 5 6 7 8 9 10 1112 1314 1516 1718 1920 2122 2324 2526 2728 2930 3132
FIELD INPUT/OUTPUT
FUSE
5 AMP
TYP.
LED
BARRIER STRIP
PULL-UP
RESISTOR
3.3k Ω
TYPICAL
1
2
3
4
5
LOGIC INPUT/OUTPUT
+ LOGIC
LOGIC GND.
BARRIER STRIP
+ - 1 2 3 4 5 6 7 8 9 10 1112 1314 1516 1718 1920 2122 2324 2526 2728 2930 3132
LED
BARRIER STRIP
PULL-UP
RESISTOR
3.3k Ω
TYPICAL
3
4
5
FIELD INPUT/OUTPUT SIDE IS IDENTICAL TO 21016A
LOGIC INPUT/OUTPUT
+ LOGIC
LOGIC GND.
2IO16B Schematic
Designed to operate with either neg. or pos. true logic (active low or high) systems & different logic voltages.
(Note above applies to output modules only. Input modules must be use in negative logic systems only.)
PULL-UP
RESISTOR
3.3k Ω
32
31 30 29 28 27 26 25 24 23 22 21
20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
-
+
5678914 15 16 18 19 2324 27 28 30 32
BARRIER STRIP
2 TERMINAL LOGIC SUPPLY INPUT
BARRIER STRIP
16 TERMINAL
4 PLACES 14.05
(356.87)
0.25
(6.35)
1.40
(35.56)
0.25
(6.35)
FUSE
5 AMP
2.20 MAX. TO TOP
(55.8) OF MODULES
0.75
(19.05)
150 DIA.
(3.81)
6.25
(158.75) RIVETED STANDOFF
THRU HOLE
4 PLACES
NYLON STANDOFF
7.30
(185.42)
3.50
(88.90)
31
29
26
25
2221
20
17
131211104
321 1.60
(40.64)
LED STATUS
INDICATOR
SIGNAL
POWER
1117
Dimensions are shown for
reference purposes only. Dimensions are in inches over
(millimeters) unless otherwise
specified.
Specifications and availability
subject to change. www.tycoelectronics.com
Technical support:
Refer to inside back cover.
P&B
Catalog 1308242
Issued 3-03 (PDF Rev. 8-04)
2IO16C Schematic
Designed to operate with neg. true logic (active low) systems & different logic voltages.
+ - 1 2 3 4 5 6 7 8 9 10 1112 1314 1516 1718 1920 2122 2324 2526 2728 2930 3132
LED
BARRIER STRIP
LOGIC INPUT/OUTPUT
PULL-UP
RESISTOR
3.3k Ω
TYPICAL
+ LOGIC
LOGIC GND.
3
4
5
FIELD INPUT/OUTPUT SIDE IS IDENTICAL TO 21016A
2IO24 Schematic
Designed to operate with neg. true logic (active low) systems & one logic voltage.
2IO24 Outline Dimensions
48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 3029 28 27 26 25 24 23 22 21 2019 18 17 16 15 14 13 1211 10 9 8 7 6 54 213
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
0
18.75
(476.25) 16.50
(419.10)
11.00
(279.40)
5.50
(139.70) 1.13
(28.58)
4.50
(114.30)
4.00
(101.60)
0.25
(6.35)
8.06
(204.72)
0.40
(10.16)
KEY SLOT
2.60
(66.04)
1.00
(25.4)
2 PLACES
BARRIER STRIP
16 TERMINAL
3 PLACES
FUSE
5 AMP
BARRIER STRIP
2 TERMINAL
LOGIC SUPPLY INPUT
FUSE
1 MAP CUSTOMER
OPTION PULL-UP
RESISTOR 3.3k Ω
Notes
EDGE CARD IS ARRANGED TO
ACCOMMODATE 50 CONTACT,
0.1" (3mm) CENTER, CARD EDGE
CONNECTOR
+ LOGIC AVAILABLE AT
PIN 49 BY RELOCATING FUSE
LED STATUS
INDICATOR
RIVETED STANDOFF
THRU HOLE
8 PLACES
2.20 MAX. TO TOP
(55.8) OF MODULES
0.75
(19.05)
150 DIA.
(3.81)
12
1
2
-+
26
28
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
35
37
39
41
43
45
47
49
-
+
LED STATUS
INDICATOR
PULL-UP
RESISTOR
3.3k Ω
TYPICAL
USER INSTALLABLE
JUMPER OR FUSE
+ LOGIC
LOGIC ALL
GND. EVEN
PINS
LOGIC INPUT/OUTPUT
EDGE
CONN.
BOT.
FUSE
1 AMP 48
474645
444342
41
40393837363534
33
3231
30
2928272625242322212019
18
171615
14
1312
11
10
9
876542
13
BARRIER STRIPS FIELD INPUT/OUTPUT
FUSE
5 AMP
TYP.
TOP
1
2
3
4
5
