Manual

Publication 1771-IN069B-EN-P - November 2005
12 Electromechanical Relay Contact Output Module
Specifications
Specifications ac/dc (240V ac/150V dc) Electromechanical Relay
Contact Output Module (cat. no. 1771-OW16)
Number of Outputs 16
Module Location 1771-I/O Chassis, 1 slot
Voltage Rating 240V ac @ 47-63 Hz; 150V dc - Refer to page 14
Current Rating Refer to Table 2 on page 14
Maximum surge current dc: 2 A max per output (at rated power)
ac: Refer to Table 3 on page 14
Minimum Contact Load
1
10 mA
Operate/Release Time 10 ms maximum; 5 ms (+1 ms)
Switching Frequency 1/3 Hz at maximum load
Bounce Time 4.0 ms maximum
Expected Life of
Electrical Contacts
300 K operations @ 25 °C (cos θ = 1)
Backplane Current 1.3 A maximum
Power Dissipation All relays on: 6.5 Watts
Thermal Dissipation All relays on: 22.24 BTU/hr
Isolation Voltage
(continuous-voltage withstand
rating)
250V basic system to user side
125V basic between channels
Tested to 1500 V ac for 60 s
Fusing Fusing of outputs is recommended. Use 3.0 A, 250V ac slow-blow fuses
(Littelfuse pt. no. 239003).
External Over-current Protection 15 A branch circuit protection
Indicators 8 yellow status indicators - show status of individual outputs. If relay output
bit is on, corresponding output indicator is on.
Environmental Conditions
Operating Temperature IEC 60068-2-1 (Test Ad, Operating Cold),
IEC 60068-2-2 (Test Bd, Operating Dry Heat),
IEC 60068-2-14 (Test Nb, Operating Thermal Shock):
0 to 60 °C (32 to 140 °F)
Storage Temperature IEC 60068-2-1 (Test Ab, Unpackaged Nonoperating Cold),
IEC 60068-2-2 (Test Bb, Unpackaged Nonoperating Dry Heat),
IEC 60068-2-14 (Test Na, Unpackaged Nonoperating Thermal Shock):
–40 to 85 °C (–40 to 185 °F)
Relative Humidity IEC 60068-2-30 (Test Db, Unpackaged nonoperating Damp Heat):
5 to 95% noncondensing
Vibration IEC 60068-2-6 (Test Fc, Operating):
2g @ 10…500 Hz
Shock
Operating
Nonoperating
IEC 60068-2-27 (Test Ea, Unpackaged Shock):
30g
50g
ESD Immunity IEC 61000-4-2:
6 kV indirect contact discharges
Radiated RF Immunity IEC 61000-4-3:
10 V/m with 1kHz sine-wave 80%AM from 30 MHz to 1000 MHz
EFT/B Immunity IEC 61000-4-4:
±1 kV at 5 kHz on signal ports
Surge Transient Immunity IEC 61000-4-5:
±1 kV line-line(DM) and ±2 kV line-earth(CM) on signal ports
Conducted RF Immunity IEC 61000-4-6:
10 Vrms with 1 kHz sine-wave 80%AM from 150 kHz to 30 MHz
Emissions CISPR 11:
Group 1, Class A (with appropriate enclosure)
Enclosure Type Rating None (open-style)
Conductors Wire Size
Category
2
0.34…2.5 mm
2
(22…14 AWG) stranded copper wire rated at 75 °C or higher
1.2 mm (3/64 inch) insulation maximum
2 - on signal ports
Field Wiring Arm Catalog Number 1771-WN
Field Wiring Arm Screw Torque 1.0 Nm (9 pound-inches)