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9Chapter 1 Introduction
Series 90–70 Modules for a Remote Drop
The table below lists modules that can be placed in a remote drop, and gives their
catalog numbers, I/O capacities, and loads.
Module
Catalog
Number
I/O Points
or
Channels
Module Description
Load in
Amps at
+5 VDC
IC697BEM733 Remote I/O Scanner 0.80
IC697BEM713 Bus Transmitter Module 1.40
IC697BEM711 Bus Receiver Module 0.80
Discrete Modules
IC697MDL240 16 120 VAC Isolated, Input, 16 points 0.25
IC697MDL241 16 240 VAC Isolated, Input, 16 points 0.25
IC697MDL250 32 120 VAC Input, 32 point 0.35
IC697MDL650 32 24 VDC Input, 32 point 0.30
IC697MDL651 32 Input module, negative logic, TTL 0.525
IC697MDL652 32 12 VDC Pos/Neg Logic Input, 32 points 0.30
IC697MDL653 32 24 VDC Pos/Neg Logic Input, 32 points 0.30
IC697MDL654 32 48 VDC Pos/Neg Logic Input, 32 points 0.30
IC697MDL340 16 120 VAC Output, 16 point 0.25
IC697MDL341 16 120/240 VAC Isolated 2A Output, 16 points 0.25
IC697MDL350 32 120 VAC Output, 32 point 0.50
IC697MDL740 16 24/48 VDC Output, 16 point 0.25
IC697MDL750 32 24/48 VDC Output, 32 point 0.15
IC697MDL752 32 12 VDC 0.5A Output, 32 points 0.50
IC697MDL753 32 5/48 VDC 0.5A Neg Logic Output, 32 points 0.50
IC697MDL940 16 Relay Output 16 points 0.75
Analog Modules
IC697ALG230 8 Analog Input Base Converter 0.80
IC697ALG440 16 Analog Input Current Expander 0.40
IC697ALG441 16 Analog Input Voltage Expander 0.40
IC697ALG320 4 High Level Analog Output, Voltage/Current 1.66
Option Modules
IC697PCM711 Programmable Coprocessor Module 1.00
IC697GDC701 Graphics Display Coprocessor Module 1.20
IC697ADC701 Alphanumeric Display Coprocessor Module 1.00
Remote Drop Capacity
The maximum number of I/O and option modules that can be installed in a remote
drop is 63, which requires eight 9–slot racks. There are two limits that cannot be
exceeded when locating modules in a remote drop:
There must not be too many option modules in a remote drop. See “Option
Modules”, below.
The configuration data for all the I/O modules in a remote drop must not add up to
more than 4500 bytes. This amount of configuration data will not be reached in
any remote drop where all I/O modules are included in the Remote I/O Scanner’s
configured I/O map. However, it is possible to have I/O modules in a remote drop
configured to use references outside the I/O map, as explained in chapter 3. If the
drop will have some modules configured outside the Remote I/O Scanner’s I/O
map, refer to appendix B.