50-pin card edge connector Thomas & Betts 622-5015 1
50-pin header connector Thomas & Betts 609-5030 1
5 amp fuse Littelfuse 251-005 1
7 amp fuse 3Littelfuse 251-007 1
1 amp fuse 2Littelfuse 251-001 1
P art Number 2IOM4A 2IOM4B 2IOM8D 2IOM16 2IOM16A 2IOM16D 2IOM16E 2IOM24 2IOM24D 2IOM24E 2IOM32 2IOM32D 2IOM32E
Number of I/O Channels 4 4 8 16 16 16 16 24 24 24 32 32 32
Number of Module Positions 4 4 8 16 16 16 16 24 24 24 32 32 32
Field Terminals: Scre w Terminals X X X X X X X X X X X X X
Logic Terminals: Screw Terminals X X X
Logic Terminals: 50-pin card edge connector X X X X X
Logic Terminals: 50-pin straight header X X X X
Logic Terminals: 50-pin right angle header XXX
Will accept 50-pin dual row header X X
Designed for neg. true logic; one logic voltage X X X X X X X X X X X X
Designed for neg. or pos. true logic; mult. logic voltages X
Uses P&B optional hold do wn cover kit SSA-0003 X X X X 2 req’d 2 req’d 2 req’d
Uses P&B optional hold do wn cover kit SSA-0009 X X
Uses P&B optional hold do wn cover kit SSA-0010 X
2IOM4B Schematic
Designed to operate with neg. or pos. true logic systems & mult. logic voltage.
(Note above applies to output modules only. Input modules must be used in
negative systems only.)
2IOM4A Schematic
Designed to operate with neg. true logic (active low) systems & one logic voltage.
2IOMseries
Space Saving Mounting Boards for Slim
Line Input/Output Modules
• LED status indicators, plug-in fuses & pull-up resistors
• Card edge, straight header, right-angle header and screw terminal
logic connections
• 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
19
3210
19
.250
(6.35)
2.75
(69.85)
3.25
(82.55)
3.25
(82.55)
2.75
(69.85)
2.16
(54.84) MAX. TO TOP
OF FASTENER
OPTIONAL NYLON
STANDOFF SSA-21B273
OPTIONAL COVER
FASTENER SSA-24C648
OPTIONAL CLEAR
HOLD-DOWN COVER
SSA-24C670
RIVETED STANDOFF
THRU HOLE 4 PLACES
.150 DIA.
(3.81)
.250
(6.35)
BARRIER STRIP
9 TERMINAL
2 PLACES
LED
STATUS
INDICATOR
FUSE
7-AMP
4 PLACES
.250
(6.35)
0.75
(19.05)
PULL-UP
RESISTORS
3.3K Ω
Notes: 1. Or equivalent.
2. Used only on 24 and 32 position models.
3. Used only on 2IOM4A, 2IOM4B, 2IOM8D and 2IOM16A.
Ordering Information - Boldface items listed below are normally maintained in stock for immediate delivery.
2IOM4A & 2IOM4B Outline Dimensions Mating Connectors and Fuses
FIELD INPUT/OUTPUT
PULL-UP
RESISTOR
3.3k Ω
TYPICAL
LED
FUSE
7 AMP
TYPICAL
1
2
3
4
5
BARRIER
STRIP
SPARE
+ LOGIC
BARRIER
STRIP
LOGIC INPUT/OUTPUT
LOGIC
GND.
123456789
123 45 67 89
FIELD INPUT/OUTPUT
PULL-UP
RESISTOR
3.3k Ω
TYPICAL
LED
FUSE
7 AMP
TYPICAL
1
2
3
4
5
BARRIER
STRIP
SPARE
LOGIC GND
BARRIER
STRIP
LOGIC INPUT/OUTPUT
12 3 4 5 6 7 8 9
123 45 67 89
116
76543210
.620
(15.75)
3.25
(82.55)
6.00
(152.40)
.750
(19.05)
5.13
(130.18)
2.16
(54.84) MAX. TO TOP
OF FASTENER
RIVETED STANDOFF
THRU HOLE
4 PLACES
.150 DIA.
(3.81)
.250
(6.35)
.250
(6.35)
.250
(6.35)
2.75
(69.85)
BARRIER STRIP
16 TERMINAL
BARRIER STRIP
2 TERMINAL
LOGIC SUPPLY INPUT
.250
(6.35)
OPTIONAL NYLON
STANDOFF SSA-21B273
OPTIONAL CLEAR
HOLD-DOWN COVER
SSA-24C671
OPTIONAL COVER FASTENER
SSA-24C648
STRAIGHT
50-PIN
HEADER
PULL-UP
RESISTORS
3.3K Ω
LED
STATUS
INDICATOR
+- FUSE
7AMP
8 PLACES
FIELD INPUT/OUTPUT
PULL-UP
RESISTOR
3.3k Ω
TYPICAL
LED
FUSE
7 AMP
TYPICAL
BARRIER
STRIP
12 34 56 78 910 11 12 13 14 15 16
+
–
49
47
45
43
41
39
37
35
33
25
1
1
2
3
4
5
+ LOGIC
+ LOGIC
+ LOGIC
TOP
FACTORY INSTALLED JUMPER
USER INSTALLABLE JUMPER
50-PIN
CONN.
ALL
EVEN
PINS
LOGIC
GND.
EDGE CONN. BOT.
2IOM16D With Straight Header
2IOM16E With Right-Angle Header
FIELD INPUT/OUTPUT
LED
FUSE
5 AMP
TYPICAL
BARRIER
STRIPS
12
+
–
1
17
19
21
23
25
27
29
31
33
35
37
39
41
43
45
47
49
1
2
3
4
5
+ LOGIC
+ LOGIC
TOP
USER INSTALLABLE JUMPER (2 PLACES)
LOGIC INPUT/OUTPUT
ALL
EVEN
PINS
LOGIC
GND.
EDGE CONN. BOT.
34567891011 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
PULL-UP
RESISTOR
3.3k Ω"
TYPICAL
2IOM8D Outline Dimensions
2IOM8D Schematic
Designed to operate with neg. true logic (active low) systems & one logic voltage.
2IOM16, 2IOM16D & 2IOM16E Outline Dimensions
116
49
1
+- 17
32
1514131211109876543210
10.00
(254.0) .200
(5.08)
BARRIER STRIP
16 TERMINAL 2 PLACES
BARRIER STRIP
2 TERMINAL LOGIC SUPPLY INPUT
.400
(10.16) .250
(6.35)
.250
(6.35)
1.45
(36.83)
.200
(5.08)
OPTIONAL CLEAR HOLD DOWN
COVER SSA-24C649
3.50
(88.90)
KEY
SLOT
2.60
(66.04)
.450
(11.43)
EDGE CARD
IS ARRANGED
TO ACCOMODATE
50 CONTACT
0.1” (3mm) CENTER,
CARD EDGE
CONNECTOR
NYLON
STANDOFF
RIVETED STANDOFF
THRU HOLE 4 PLACES
.150 DIA.
(3.81)
.750
(19.05)
4.23
(107.32)
5.13
(130.18)
WILL ACCEPT 50 PIN DUAL
ROW HEADER
LED STATUS INDICATOR
OPTIONAL COVER FASTENER
DSA-24C648
1.55
(39.37)
FUSE
5 AMP
MAX. TO TOP
OF FASTENER
2.16
(54.84)
PULL-UP RESISTORS 3.3K Ω
2IOM16, 2IOM16D & 2IOM16E Schematic
Designed to operate with neg. true logic (active low) systems & one logic voltage.
1514131211109876543210
+-
11617 32
11617 32
.250
(6.35)
3.25
(82.55)
MAX. TO TOP
OF FASTENER
.750
(19.05) 2.16
(54.84)
.250
(6.35)
9.00
(228.60)
FUSE
7 AMP
16 PLACES
LED STATUS
INDICATOR
PULL-UP
RESISTOR
3.3K Ω
2.75
(69.85)
.250
(6.35)
BARRIER STRIP
16 TERMINAL
4 PLACES
9.50
(241.30)
OPTIONAL COVER FASTENER
SSA-24C648
BARRIER STRIP 2 TERMINAL
LOGIC SUPPLY INPUT
4.68
(118.75)
1.13
(28.58)
OPTIONAL CLEAR
HOLD DOWN COVER
SSA-24C649
RIVETED STANDOFF
THRU HOLE
4 PLACES
.150 DIA.
(3.81) 9.00
(228.6)
+-
1 2 3 4 5 6 7 8 9 10 11
12131415617181920212223
48 37 36 25
11213
24
8.00
(203.20) .250
(6.35)
BARRIER STRIP 12 TERMINAL
4 PLACES
BARRIER STRIP 2 TERMINAL
LOGIC SUPPLY INPUT
.400
(10.16)
.250
(6.35)
5.50
(139.70)
.250
(6.35)
PULL-UP
RESISTORS 3.3K Ω
OPTIONAL
CLEAR
HOLD DOWN
COVER
SSA-24C649
6.00
(152.40) KEY SLOT
2.60
(66.04)
EDGE CARD IS
ARRANGED TO
ACCOMODATE 50 CONTACT
0.1” (3mm) CENTER,
CARD EDGE CONNECTOR
MAX. TO TOP
OF FASTENER
NYLON STANDOFF
RIVETED STANDOFF
THRU HOLE 4 PLACES
.150 DIA.
(3.81)
.750
(19.05) 2.16
(54.84)
7.50
(190.50)
WILL ACCEPT 50 PIN DUAL ROW HEADER
OPTIONAL COVER
FASTENER SSA-24C650
.250
(6.35)
FUSE
1 AMP FUSE
5 AMP
24 PLACES
OPTIONAL CLEAR HOLD DOWN COVER
SSA-24C648
LED
STATUS
INDICATOR
49
0
2IOM24D With Straight Header
2IOM24E With Right-Angle Header
2IOM16A Outline Dimensions
2IOM16A Schematic
Designed to operate with neg. true logic (active low) systems & one logic voltage.
2IOM24, 2IOM24D & 2IOM24E Outline Dimensions
12
0
34
1
56
2
78
3
910
4
11 12
5
47
45
43
41
39
37
35
33
31
29
27
25
1
2
3
4
5
50-PIN
CONNECTOR
ALL
EVEN
PINS
2-50
+- 13 14
6
15 16
7
17 18
8
19 20
9
21 22
10
23 24
11
49
48 47
23
46 45
22
44 43
21
42 41
20
40 39
19
38 37
18
23
21
19
17
15
13
11
9
7
5
3
15
4
3
2
1
36 35
17
34 33
16
32 31
15
3029
14
28 27
13
26 25
12
PULL-UP
RESISTOR
NETWORK
3.3k Ω
LED
FUSE
5 AMP
BARRIER STRIP
FOR FIELD WIRING
OF MODULE
INPUT/OUTPUT
MODULE
LOCATION
BARRIER STRIP
FOR FIELD WIRING
OF MODULE
INPUT/OUTPUT
FUSE
1 AMP
OPTIONAL
FUSE 1 AMP
MODULE
LOCATION
49
1
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
16171819202122232425262728293031
116
+- 17
32
64 49 48 33
10.20
(261.62 .250
(6.35)
BARRIER STRIP
16 TERMINAL
4 PLACES
BARRIER STRIP 2 TERMINAL
LOGIC SUPPLY INPUT
.400
(10.16)
.250
(6.35)
5.7
(144.78)
.250
(6.35)
PULL-UP
RESISTORS
3.3K Ω
6.20
(157.48)
2.60
(66.04)
EDGE CARD
IS ARRANGED
TO ACCOMODATE
50 CONTACT
0.1” (3mm) CENTER,
CARD EDGE
CONNECTOR
MAX. TO TOP
OF FASTENER
RIVETED STANDOFF
THRU HOLE
6 PLACES
.150 DIA.
(3.81) .750
(19.05)
2.16
(54.84)
OPTIONAL COVER
FASTENER SSA-24C650
.250
(6.35)
FUSE 1 AMP.
FUSE
5 AMP
32 PLACES
OPTIONAL CLEAR
HOLD DOWN COVER
SSA-24C648
9.70
(246.38)
3.30
(83.82)
5.50
(139.7)
LED
STATUS
INDICATOR
2IOM32D With Straight Header
2IOM32E With Right-Angle Header
FIELD INPUT/OUTPUT
FIELD INPUT/OUTPUT
PULL-UP
RESISTOR
3.3k Ω
LED
INDICATOR
FUSE
5 AMP
BARRIER
STRIP
12
+
–
LOGIC INPUT/OUTPUT
34567891011 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
17
19
21
22
23
25
26
28
30
31
32
34 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
LOGIC GROUND
FUSE
1 AMP
5
4
3
2
1
1
2
3
4
5
14
12
13
11
16
9
15
10
4
1
7
3
2
8
5
6
45
46
43
49
48
44
50
47
41
36
42
35
40
38
39
37
2IOM24, 2IOM24D & 2IOM24E Schematic
Designed to operate with neg. true logic (active low) systems & one logic voltage.
2IOM32, 2IOM32D & 2IOM32E Outline Dimensions
2IOM32, 2IOM32D & 2IOM32E Schematic
Designed to operate with neg. true logic (active low) systems & one logic voltage.
SSA-0009-Hold Down Cover Kit For 2IOM4A, 2IOM4B
Consists Of:
0.875
(22.23)
0.187
(4.75)
2.25
(57.15)
1.125
(28.58)
0.25
(6.35)
0.062
(1.58) 1.75
(44.45)
One Hold Down Cover
One Nylon Standoff For Hold Down Cover
One Standoff Nut
0.19
(4.75)
.062
(1.57)
2.5
(6.4)
1.75
(44.45)
2 X .03 R.
2 X (.79)
4.40
(111.76)
2.20
(55.88)
.88
(22.23)
4.30
(109.22) 8.60
(218.44)
.187
(4.75) .875
(22.23)
.062
(1.57)
2.50
(6.35)
1.75
(44.45)
SSA-0010-Hold Down Cover Kit For 2IOM8D
Consists Of: One Hold Down Cover
One Nylon Standoff For Hold Down Cover
One Standoff/Nut
SSA-0003-Hold Down Cover Kit For 2IOM16, 2IOM16D, 2IOM16E, 2IOM32*, 2IOM32D* & 2IOM32E*
Consists Of: One Hold Down Cover
One Nylon Standoff For Hold Down Cover
One Standoff/Nut
* Two kits are required for each 32 position board.
2IOM Series Hold Down Cover Kits
Specifications and availability subject to change without notice.
13C4226 Printed in U.S.A. IH/4-00
Tyco Electronics Corporation - P&B, Winston-Salem, NC 27102
Technical Support Center: 1-800-522-6752, www.pandbrelays.com