DRAFT 02 March 2016
July 2019
TSN MTL830x Rev 1
Technical support note
MTL intrinsic safety solutions
Eaton Electric Limited,
Great Marlings, Butterfield, Luton
Beds, LU2 8DL, UK.
Tel: + 44 (0)1582 723633 Fax: + 44 (0)1582 422283
E-mail: [email protected]
www.mtl-inst.com
© 2019 Eaton
All Rights Reserved
Publication No. TSN838C Rev 1
July 110719
1
Replacing an MTL830B System with an MTL830C
System connected to a Honeywell LLMUX card
MTL838B-HON
Receiver
MTL3052
Isolator
MTL831B
Transmitter
Honeywell System
RS485
RS485
Data Highway 1
MTL3052
Isolator
Data Highway 2
MTL831B
Transmitter
MTL838C Receiver
MTL5553
Isolator
MTL831C
Transmitter
Honeywell System
RS485
RS485
Data Highway
MTL831C
Transmitter
16 Sensor Inputs
(RTD, TC, or mV)
16 Sensor Inputs
(RTD, TC, or mV)
16 Sensor Inputs
(RTD, TC, or mV)
16 Sensor Inputs
(RTD, TC, or mV)
19-30Vdc
Power
19-30Vdc
Power
1 Introduction
This document provides instructions for replacing an MTL830B temperature multiplexer system with a MTL830C temperature
multiplexer system. A block diagram showing an example hardware installation before and after installation is shown below for
reference.
Figure 1:
Example of Hardware Changes Associated with Replacing an MTL830B System with an MTL830C System
