Toptech MultiLoad II EXL User Manual

CHAPTER 5– CONNECTING FIELD DEVICES TO THE I/O BOARD
35 MultiLoad II/ RCU II Explosion Proof Lite (EXL) Installation Guide - Part # 6070
Available I/O Points per Board
The quantity and electrical ratings of the available I/O points per board are described in the table
below.
For easy recognition and use, a circuit symbol corresponding to its’ board is located in the last
column:
TYPE I/O
DIGITAL/
ANALOG
2 METER
ELECTRICAL
CIRCUIT
I/O BOARD
I/O BOARD
RATING
SYMBOL
QUANTITY
QUANTITY
AC Outputs
5
8
12 - 250 Vac rms, 500 mA (per point),
TB1
AC Inputs
0
2
90 - 250Vac
DC Outputs
3
2
0 - 30 Vdc, 600 mA (per point), TB3
DC Inputs
5
6
5 - 30Vdc, TB2B
Dual Channel flow meter inputs (1-
5000Hz)
Miscellaneous signal inputs
12Vdc
Source
167mA Max
Load
250mA Max
Load
Isolated Power Supply
Power for flow meter pulsers or preamp
RTD Input
1
2
100-ohm platinum, four wire
Coefficient 0.00385 Ohm/Ohm/°C
Analog
Input
1
0
4 - 20mA, 1.5V maximum burden
Analog
Output
1
0
4 - 20mA, Requires 12Vdc – 30Vdc
Supply
Certain I/O circuit symbols have dedicated functions, which are described in the table below.

Toptech MultiLoad II EXL Specifications

General

Brand	Toptech
Model	MultiLoad II EXL
Category	Controller
Language	English