
SMC-50 I/O Option Module Installation Instructions
(Cat 150-SM3; 150-SM4)
WARNING: To prevent electrical shock, disconnect from power source before
installing or servicing. Install in a suitable enclosure. Keep free from contaminants.
25U6
IND. CONT. EQ.
N223
1
90°
2
0.45 Nm
(4 lb-in)
1
Port Compatibility
7 8 9
ok ok ok
7
2
8
9
3
4
1
2
PN-164120
DIR 10000152878 (Version 01)
Publication 150-IN052B-EN-E
Printed in U.S.A.

5
1
3
90°
2
0.2 - 2.5 mm
(#24 - #14 AWG)
NOTE: When installed in Control Module port number 7 the orientation of the module is rotated 180°.
PN-164120
DIR 10000152878 (Version 01)
Publication 150-IN052B-EN-E
2
7.0 mm
(0.27 in)
0.8 Nm
(7 lb-in)
2
3
A1
A2
A3
A4
A5
A7A6
A8
A9
(2)
1
A10
A11
A12

Field Wiring Terminal Identification
L1
NOTE: For control wiring
details refer to the SMC-50
User Manual
A1 A2 A3 A4 A5 A6 A7 A8
InA1
InA3 InA4
InA2
120 / 240V AC
Inputs
150-SM4 Input and Output Specifications
Nominal Operating Voltage
Operating Voltage Range
On-state Current, Minimum
Control Circuit:
150-SM4
Optional Inputs:
Terminals A1 and A2
On-state Voltage, Minimum
Off-state Voltage, Maximum
Off-state Current, Maximum
Inrush Current Max
Input Delay Time
Rated Insulation Voltage
Rated Impulse Voltage
Dielectric Withstand
L2 L2 L2 L2
L1 L1 L1
A9
In
COM
AuxA1
AuxA2 AuxA3
Relay Outputs
UL/CSA/NEMA IEC
120/240V AC
85 to 264V AC @ 47 to 63 Hz
9.7 mA @ 47 Hz, 9.7 mA @ 62.4 Hz
74.5V AC @ 47 Hz, 55.9V AC @ 62.4 Hz
68.8V AC @ 47 Hz, 53.6V AC @ 62.4 Hz
9.0 mA @ 47 Hz, 9.3 mA @ 62.4 Hz
3.64 A
On-to-Off: 30 mS, Off-to-On: 25 mS
1600V AC 2000V
A10
A11
A12
NC
NA 240V
NA 3000V
Nominal Operating Voltage
Operating Voltage Range
On-state Current, Minimum
Control Circuit:
150-SM4
Optional Inputs:
Terminals A3 and A4
On-state Voltage, Minimum
Off-state Voltage, Maximum
Off-state Current, Maximum
(1)
Inrush Current Max
Input Delay Time (Maximum)
Rated Insulation Voltage
Rated Impulse Voltage
Dielectric Withstand
(1) Meets IEC Type 2 specification per IEC 60947-1 for 240V AC only
Specification
Type of Output Electromagnetic Relay Contact
Number of Contacts 1
Type of Contact Programmable: Normally Open (N.O.) or
Control Circuit:
150-SM4
Optional Outputs:
Terminals A6 thru A11
Rated Operational Current (Inductive) 3A @ 120V AC, 1.5A @ 240V AC
Rated Operational Current (Resistive) 8A @ 250V AC, 5A @ 30V DC
Rated Thermal Current (Ith) 5A (AC)
Max. Make / Break 3600VA Make, 360VA Break
UL Utilization Ratings AC-15, B300 (AC Pilot Duty: NEMA)
Output De
lay Time (max) On-to-Off: 25 mS; Off-to-On 30 mS
Relay Life (electrical-Inductive Load
cos ø = 0.4)
Relay Life (mechanical) 10 million operations
UL/CSA/NEMA IEC
120/240V AC
85 to 264V AC @ 47 to 63 Hz
5.1 mA @ 47 Hz, 5.0 mA @ 62.4 Hz
74.5V AC @ 47 Hz, 55.8V AC @ 62.4 Hz
68.6V AC @ 47 Hz, 53.5V AC @ 62.4 Hz
4.7 mA @ 47 Hz, 4.8 mA @ 62.4 Hz
3.64 A
On-to-Off: 30 mS, Off-to-On: 25 mS
NA 240V
NA 3000V
1600V AC 2000V
Normally Closed (N.C.)
250,000 operations
(3A @ 120V AC, 1.5A @ 240V AC)
NOTE: For additional information refer to the SMC-50 User manual (150-UM011x-EN-P) available from www.ab.com - Publications Library - Literature Library
PN-164120
DIR 10000152878 (Version 01)
Publication 150-IN052B-EN-E
(3)

Voltage
or Current
Load
+
Voltage
or Current
Load
+
-
-
+
Voltage
Transmitter
or
Voltage
Transmitter
+
-
or
-
B1
V / I
OUT
1+
Output #1
B2
V / I
OUT
1-
B3
V / I
OUT
2+
Output #2
B4
V / I
OUT
2-
B5
V
IN
1+
150-SM3 Input and Output Specifications
Specification
Control Circuit:
150-SM3
Optional Inputs:
Terminals B1 thru B4
Number of Inputs 2 differential inputs
Normal Operating Input Ranges +/-10V, 0 to 10V, 0 to 5V, 1 to 5V, 0 to 20mA, 4 to 20mA
Full Scale Operating Input Ranges +/-10.5V, 0 to 10.5V, -0.5 to 5.25V, 0.5 to 5.25V,
Input Resolution 16 bit (sample rate = 60Hz)
Data Refresh Rate: Filter dependent: 100mSec (sample rate = 60Hz)
Rated Working Voltage 24V dc / 17V ac
Common Mode Voltage Range +/-10V dc / channel
Input Impedance: 220K ohms: voltage mode
Input Channel Diagnostics Over and Under Range and Open Circuit
Open Circuit Detection Time: Positive Full Scale Reading: within 3 seconds (max)
Maximum Overload at Input Terminals Voltage: +/-24V dc continuous at 0.1mA
External Calibration Not required: auto-calibration performed by the module
Module Isolation to Control Board Yes (1000V ac)
Removable Terminal Block Yes (150-SM3RTB as a spare replacement part)
Cable Type: Belden 8760 (or equiv.) 0.750mm
Current
Transmitter
B6
I
IN
1+
Input #1
Current
Transmitter
B7
V / I
IN
1-
B8
V
IN
2+
B9
IN
2+
B10
I
V / I
B11 B12
NCNCControl
IN
2-
Input #2
0 to 21mA, 3.5 to 21mA
13 bit (sample rate = 250Hz)
24mSec (sample rate = 250Hz)
249 ohms: current mode
Current: +/-30mA continuous at 7V dc
if required to meet specs.
100% shield with drain)
2
(18 AWG twisted pair
Ground
Control Circuit:
150-SM3
Optional Outputs:
Terminals B5 thru B10
PN-164120
DIR 10000152878 (Version 01)
Publication 150-IN052B-EN-E
Printed in U.S.A.
Number of Outputs 2 Single-ended
Normal Operating Input Ranges +/-10V, 0 to 10V, 0 to 5V, 1 to 5V, 0 to 20mA, 4 to 20mA
Full Scale Operating Input Ranges +/-10.5V, 0 to 10.5V, -0.5 to 5.25V, 0 to 21mA, 3.5 to 21mA
Output Resolution
+/-10.5V, 0 to 10.5V, -0.5 to 5.25V,
0.5 to 5.25V, 0 to 21mA, 3.5 to 21mA
Resistive Load on Current Output 0 to 750 ohms
Load Range on Voltage Output 1K ohm at 10V dc
Max. Inductive Load (Current Outputs) 15mH
Max. Capacitive Load (Voltage Outputs) 100uF
Overall Accuracy Voltage Terminal: +/-0.5% full scale at 25° C
Accuracy Drift with Temperature +/-5 PPM / ° C
Output Impedance 15 ohms (typical)
Open and Short-Circuit Protection Yes
Maximum Short-Circuit Current 45mA
Output Overvoltage Protection Yes
Specification
16 bit (15 plus sign bipolar)
Current Terminal: +/-0.35% full scale at 25° C