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Installation
10 UDC2500 Universal Digital Controller Product Manual 4/07
Specifications
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. Use Shielded twisted-pair, Category 5 (STP
CAT5) Ethernet cable.
Link Characteristics: Four-wire plus shield, 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.
Configuration: Ethernet parameters are configured via the Process Instrument Explorer.
Email: The capability to send an Email is provided. This must be configured via the Process
Instrument Explorer.
Infrared
Communications
(Optional)
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)