Emerson Edition 4 Water Heater User Manual


 
Rosemount Tank Radar REX
Chapter 14 Technical Data
14-10
Installation Manual
308014EN, Edition 4
May 2013
14.8 Field Communication Unit, FCU 2160
Ambient operating temperature -40°C to +70°C (-40°F to +158°F)
Power Supply 115 or 230 VAC, +10% to -15%,
50-60 Hz, max 10 W.
Group bus interface TRL/2 Bus, RS 232 or RS 485.
Field bus interface TRL/2 Bus. Max 8 units on one
port.
Number of Group/Field buses Individually configurable:
4+2
1)
(Field bus/Group bus)
3+3 (Field bus/Group bus)
2+4 (Field bus/Group bus).
Hazardous locations certifications None.
Number of tanks RTG and SDAU: Max 32
(max 8 per field bus).
14.9 Field Bus Modem, FBM 2180
Power supply (for RS-232) DC 7-12 V, 50 mA
Cable to Host PC RS 232: 3 m (10 ft)
USB: 3 m (10 ft)
Hazardous locations certifications None
Field bus over-voltage protection Galvanic insulation, transient
protection, suppressors
Field interface TRL/2
Computer/Host interface RS-232 or USB
LED indicators External power, host connection,
TRL/2 transmit and receive
14.10 Enraf Bus Modem, EBM
Power supply 8 to 14 VDC unregulated, 9 V
typical. Maximum 300 mA @ 9 V
input voltage.
Cable to PC 3 m (10 ft), RS 232, included in
delivery.
Hazardous locations certifications None.
1.Standard