Installation
Specifications
Relay Contacts: With a working voltage of 115/230 Vac, these are electrically isolated from all
other circuits to withstand a HIPOT potential of 345 Vdc for 2 seconds per Annex K of
EN61010-1
RS422/485 Modbus
RTU
Communications
Interface (Optional)
Baud Rate: 4800, 9600,19,200 or 38,400 baud selectable
Data Format: Floating point or integer
Length of Link:
2000 ft (600 m) max. with Belden 9271 Twinax Cable and 120 ohm termination resistors
4000 ft. (1200 m) max. with Belden 8227 Twinax Cable and 100 ohm termination resistors
Link Characteristics: Two-wire, multi-drop Modbus RTU protocol, 15 drops maximum or up
to 31 drops for shorter link length.
Ethernet TCP/IP
Communications
Interface (Optional)
Type: 10Base-T
Length of Link: 330 ft. (100 m) maximum
Link Characteristics: Four-wire, single drop, five hops maximum
IP Address: IP Address is 10.0.0.2 as shipped from the Factory
Recommended network configuration: Use Switch rather than Hub in order to maximize
UDC Ethernet performance
Infrared
Communications
(Standard)
Type: Serial Infrared (SIR)
Length of Link: 3 ft. (1 m) maximum for IrDA 1.0 compliant devices
Baud Rate: 19,200 or 38,400 baud selectable
Power Consumption
20 VA maximum (90 to 264 Vac)
15 VA maximum (24 Vac/dc)
Power Inrush Current
10A maximum for 4 ms (under operating conditions), reducing to a maximum of 225 mA (90
to 264 Vac operation) or 750 mA (24 Vac/dc operation) after one second.
CAUTION
When applying power to more than one instrument, make sure that sufficient
power is supplied. Otherwise, the instruments may not start up normally due to voltage drop
from the inrush current.
Weight
3 lbs. (1.3 kg)
Environmental and Operating Conditions
Parameter Reference Rated Operative
Limits
Transportation and Storage
Ambient Temperature
25 ± 3 °C
77 ± 5 °F
15 to 55 °C
58 to 131 °F
0 to 55 °C
32 to 131 °F
–40 to 66 °C
–40 to 151 °F
Relative Humidity
10 to 55* 10 to 90* 5 to 90* 5 to 95*
Vibration
Frequency (Hz)
Acceleration (g)
0
0
0 to 70
0.4
0 to 200
0.6
0 to 200
0.5
Mechanical Shock
Acceleration (g)
Duration (ms))
0
0
1
30
5
30
20
30
Line Voltage (Vdc)
+24 ± 1 22 to 27 20 to 30 - -
Line Voltage (Vac)
90 to 240 Vac
24 Vac
120 ± 1
240 ± 2
24 ± 1
90 to 240
20 to 27
90 to 264
20 to 27
- -
- -
- -
Frequency (Hz)
(For Vac)
50 ± 0.2
60 ± 0.2
49 to 51
59 to 61
48 to 52
58 to 62
- -
- -
* The maximum moisture rating only applies up to 40 °C (104 °F). For higher temperatures, the RH specification is derated to
maintain constant moisture content.
14 UDC3200 Universal Digital Controller Product Manual 12/04
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