Available I/O Points Per Board - Toptech MultiLoad II EXL Installation Manual

CHAPTER 5– CONNECTING FIELD DEVICES TO THE I/O BOARD

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:
D
IGITAL
T I/O
YPE
A
NALOG
I/O BOARD
Q
UANTITY
AC Outputs 5
AC Inputs 0
DC Outputs 3
DC Inputs 5
12Vdc 167mA Max
Source Load
RTD Input 1
Analog
1
Input
Analog
1
Output
Certain I/O circuit symbols have dedicated functions, which are described in the table below.
35
MultiLoad II/ RCU II Explosion Proof Lite (EXL) Installation Guide - Part # 6070
/
2 M
ETER
I/O BOARD
Q
UANTITY
12 - 250 Vac rms, 500 mA (per point),
8
TB1
2 90 - 250Vac
2 0 - 30 Vdc, 600 mA (per point), TB3
5 - 30Vdc, TB2B
Dual Channel flow meter inputs (1-
6
5000Hz)
Miscellaneous signal inputs
250mA Max Isolated Power Supply
Load Power for flow meter pulsers or preamp
100-ohm platinum, four wire
2
Coefficient 0.00385 Ohm/Ohm/°C
0 4 - 20mA, 1.5V maximum burden
4 - 20mA, Requires 12Vdc – 30Vdc
0
Supply
E
LECTRICAL
R
ATING
C
IRCUIT
S
YMBOL