20
RS-232
↔
CURRENT LOOP INTERFACE CONVERTER
6.1 Indicators
TX LED
On Continuously
: Indicates
(1) receive current loop not
attached; (2) no current flowing;
or (3) you have an open loop.
Check the polarity of the receive
loop and/or the active/passive
options.
Off
: The CL050 is not connected to
an AC outlet or loop current is
flowing continuously (which is
normal in an idle state).
Flashing
: Data is being transmitted
from the RS-232 port to the RS-
232C interface.
RX LED
On Continuously
: Error. Call
Technical Support.
Off
: No data being received by the RS-
232 port.
Flashing
: Data is being received by the
RS-232 port from the RS-232C
interface.
6. Operations and Troubleshooting
