10 .3 Mtl5051 Serial Data Comms Isolator - Eaton MTL5501-SR Instruction Manual

10 .3 MTL5051 serial data comms isolator

The MTL5051provides either bi-directional serial data communications from a computer system
in a safe area to instrumentation in a hazardous area or data communications across
a hazardous area. It is used to provide a fully floating dc supply for, and serial data
communications to MTL640 text displays and MTL650 text and graphics terminals or to other
IS and non-IS instrumentation and keyboards.
10 .3 .1 Wiring connections
See the figures 10.3 and 10.4 and the terminal specifications in tables 10.2 and 10.3 for wiring
connections.
Hazardous area Safe area
Figure 10.3: MTL5051 wiring diagram (to a hazardous area)
Hazardous area Safe area
Figure 10.4: MTL5051 wiring diagram (across a hazardous area)
70 INM 5500 Rev 10