2
Drawing No. LP1155 Effective 06 2020
SPECIFICATIONS
1. POWER REQUIREMENTS:
The DA50A Gateway must use a Class 2 circuit according to
National Electrical Code (NEC), NFPA-70 or Canadian
Electrical Code (CEC), Part I, C22.1 or a Limited Power Supply
(LPS) according to IEC 60950-1 or Limited-energy circuit
according to IEC 61010-1.
Power connection via removable five position terminal block.
Supply Voltage: 12 to 24 VDC +/- 15%, Class 2 source
INPUT VOLTAGE 12 V 24 V
Typ. Power DA50A Gateway only 2.5 W 2.6 W
Max Power DA50A Gateway only 3.0 W 3.1 W
Max Power DA50A Gateway, with Sleds 5.6 W 5.7 W
2. BATTERY: 3 V Lithium coin cell. Typical lifetime of 5 years, at
nominal usage. To maintain UL rating, replacement battery
must be: Red Lion CRA000 BT3V0 00000, Rayovac BR1225X-
BA or Panasonic BR1225A/BN.
3. MEMORY:
On Board User Memory: 1 GB of non-volatile Flash memory.
Memory Card: microSD slot accepts Class 5 or better microSD
cards up to 256 GB capacity. FAT32, industrial grade.
4. COMMUNICATION CAPABILITIES:
USB Device Port: Isolated USB 2.0 full speed, type B
connection. USB DEVICE PORT IS FOR SYSTEM SET-UP
AND DIAGNOSTICS AND IS NOT INTENDED FOR
PERMANENT CONNECTION.
Ethernet Ports: Two 10BaseT/100BaseTX RJ-45 Ports, auto
MDI/MDI-X.
Isolation from Ethernet network to gateway: 1500 Vrms
Serial Ports: Two serial ports with individual port isolation; 1 -
RS-232 port (RJ12 connector) and 1 - RS-485/422 port
(RJ45 connector)
5. DIGITAL OUTPUT (DOUT):
Configuration: Open Collector, reference to ground
Absolute Maximum IDC: 500 mADC (Vce = 750 mVDC)
Absolute Maximum VDC: 30 VDC (open circuit)
Absolute Minimum VDC: -0.4 VDC (open circuit)
6. DIGITAL INPUT (DIN):
Configuration: Unisolated level detection, reference to ground
Active level: 2.5 VDC to 30 VDC
Inactive level: 0 VDC to 1.3 VDC
Absolute Minimum VDC: -0.3 VDC
Absolute Maximum VDC: 33 VDC
Leakage IDC at 5 VDC: 150 uADC
7. ANALOG INPUT (Shared with Digital Input) (DIN/AI1):
Configuration: Unisolated input, reference to ground
Resolution: 4096 (ADC 12-bit)
VDC per step: 9.483 mVDC (full scale level: 38.8 V)
Accuracy: 2%
Zero level: 0 VDC
Absolute Minimum VDC: -0.3 VDC
Absolute Maximum VDC: 33 VDC
Leakage IDC at 5 VDC: 265.96 uADC typical
8. ENVIRONMENTAL CONDITIONS:
Operating Temperature Range: -40 to 75 °C
Storage Temperature Range: -40 to 85 °C
Operating and Storage Humidity: 0 to 85% max. RH non-
condensing
Vibration to IEC 60068-2-6: Operational 5-500 Hz, 2 g
Shock to IEC 60068-2-27: Operational 15 g
Altitude: Up to 2000 meters
Installation Category II, Pollution Degree 2 as defined in IEC/
EN 60664-1.
9. CERTIFICATIONS AND COMPLIANCES:
CE Approved
EN 61326-1 Immunity to Industrial Locations
Emission CISPR 11 Class A
IEC/EN 61010-1
RoHS Compliant
ATEX Approved
II 3 G Ex ec IIC T4 Gc
DEMKO 20 ATEX 2268X
IECEx Approved
IECEx UL 20.0007X
UL Hazardous: File # E317425
Rugged IP30 enclosure
10. CONNECTIONS:
Power Connection: Five-pin top mounted connector
Wire Strip Length: 0.3" (7.5 mm)
Wire Gauge Capacity: 12 to 24 AWG (3.31 to 0.20 mm
2
)
copper wire only
Torque: 4.4-5.3 inch-lbs (0.5-0.6 N-m)
11. CONSTRUCTION: Polycarbonate enclosure with IP30 rating.
For use only in an approved enclosure.
12. MOUNTING REQUIREMENTS: Mounts onto standard DIN
style top hat (T) profile mounting rails according to EN50022
– 35 x 7.5 mm and 35 x 15 mm.
13. WEIGHT: 13 oz (404.3 g)
3.40
(86.29)
(51.60)
6.00
(152.40)
6.86
(174.34)
6.86
(174.34)
5.11 (129.75)
DIMENSIONS In Inches (mm)
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General