
CHAPTER 2
–
OPERATING CONDITIONS AND COMPONENTS
17
MultiLoad II/ RCU II Explosion Proof Lite (EXL) Installation Guide - Part # 6070
Operating Characteristics
The
MultiLoad II/ RCU II
– Explosion Proof Lite (EXL) Model
has the following characteristics:
Characteristics
Description
Operating Voltage
85 - 250 Vac, 47-63 Hz, 300
– 150 mA
Voltage Option 9 - 30 Vdc, 600mA
Operating Temperature
40°F to 140°F, -40°C to 60°C
Enclosure
Type 4, IP65
ETL Listed (US, Canada) Class I, Division 1, Groups C & D, T4
Weight
24 lbs : 11 kg
Display
Color 8.4” Diagonal VGA
Prox Card Reader
Captive or Non-captive: supports TWIC
Lockable External W&M Bolts
Program Access, Weights & Measures Parameter Access (on MultiLoad
only)
Keypad
47 Key Alpha/ Numeric Membrane Switch Keypad
Communications
3 serial ports (1 RS-485, 2 User Selectable RS-232 or RS-485)
1 Ethernet port 10/100 Mbps
Internal I/O Options:
Two versions of an optional internal I/O board are available:
-
the Digital/ Analog I/O Board
-
the 2 Meter I/O Board
The quantity and electrical ratings of each I/O are described in the table below:
Type I/O
Digital/ Analog I/O
Quantity, Location
2 Meter I/O Quantity,
Location
Electrical Rating
AC Outputs:
5 (TB1)
8 (TB2, TB3)
12 - 250 Vac rms, 500 mA (per point), TB1
AC Inputs
0
2 (TB1)
90 - 250Vac
DC Outputs:
3 (TB3)
2 (TB9)
0 - 30 Vdc, 600 mA (per point), TB3
DC Inputs:
5 (TB2-Right)
(2 High Speed)
6 (TB7, TB8)
(4 High Speed)
5 - 30Vdc, TB2B
Dual Channel flow meter inputs (1-5000Hz)
Miscellaneous signal inputs
12Vdc Source:
167mA Max Load
(TB2-Left)
250mA Max Load
(TB6)
Isolated Power Supply
Power for flow meter pulsers or preamps
RTD Input:
1 (TB4)
2 (TB4, TB5)
100-ohm platinum, four wire
Coefficient 0.00385 Ohm/Ohm/°C
Analog Input
1 (TB5)
0
4 - 20mA, 1.5V maximum burden
Analog Output
1 (TB6)
0
4 - 20mA, Requires 12Vdc
– 30Vdc Supply