Micromod MOD: MODCELL Multiloop Processor 2002N Model C and Associated Hardware - Manual (Page 19)

MODCELL Multiloop Processor
PRODUCT DESCRIPTION
1.5.2 2032N RS-485 Communication Module for Modbus (2-Wire)
This RS-485 Communication module is a 75LBC176D bidirectional transceiver that
provides 2-wire Modbus communications capability for the processor. This module can be
used for either a point-to-point or point-to-multipoint network. The Modbus
communications supported by this module are used only for reading and writing controller
attributes.
Slot restrictions are as follows:
MSC1 - PORT1 (slots 32)
MSC2 - PORT2 (slots 29 or 30)
MSC3 - PORT3 (slots 26 or 27 or 28)
MSC
Catalog Number Description for 2032N
BASE NUMBER
2032N RS-485 Communication Module for Modbus (2-Wire)
UNUSED Z Unused Character
ELECTRICAL CODE 10 General Purpose, standard
8
9
10
11
12
7
3
4
5
6
2
1
UNUSED 000 Unused Character
MODEL B Design Level (replaced by Model C)
C Design Level (optically isolated)
Sample Number 2032NZ10000C
1.5.3 2033N RS-232 Communication Module for Modbus
The RS-232 Communication module is a driver/receiver that provides Extended Modbus
communications capability for the processor. The RS-232 module can be used for a
point-to-point Modbus network. The Extended Modbus communications supported by this
module include data base downloading, reading diagnostics, reading the system event
queue, and reading and writing controller attributes.
Slot restrictions are as follows:
MSC1 - PORT1 (slots 31-32)
MSC2 - PORT2 (slots 28-29 or 29-30)
MSC3 - PORT3 (slots 25-26 or 26-27 or 27-28)
MSC
Catalog Number Description for 2033N
BASE NUMBER
2033N RS-232 Communication Module for Modbus
UNUSED Z Unused Character
ELECTRICAL CODE 10 General Purpose, standard
15
16
17
6
7
3
4
5
8
9
10
11
12
14
13
2
1
UNUSED 000 Unused Character
MODEL A Design Level
Sample Number 2033NZ10000A
1 3