Modbus Connection - ABB AquaMaster 3 FET200 User Manual

AquaMaster 3 FET200
Electromagnetic flowmeter Transmitter

3.4 MODBUS Connection

This section describes the AquaMaster3 MODBUS serial data communications option and must be used in
conjunction with:

MODBUS Tables Supplement (COI/FET2XX/MOD/TBL–EN)

Programming Guide (COI/FET2XX–EN)
Detailed specifications and recommendations for using and implementing MODBUS communications are
contained in the following external publications:

MODBUS over Serial Line – Specification and Implementation Guide V1.02. Dec 20, 2006.
http://www.modbus.org/. Refer to this guide for hardware, cabling, grounding and shielding on
MODBUS.

MODBUS Application Protocol Specification V1.1b. Dec 28, 2006 – http://www.modbus.org/.
Part No
WEBC2101
Connector
Fig. 3.13 MODBUS Connection
Note. A USB Comms lead driver is required when using WEBC2100 –
download from www.ftdichip.com/FTDrivers.htm
22
USB
3 Electrical Installation
A
B
G
C
D
MODBUS Connector
Pin MODBUS
A D0
B D1
C Not used
D Not used
E Not used
F Not used
G Common
Connector B20434 available
for hard-wired installations
F
E
OI/FET200–EN Rev. I