Omron CQM1H series - Nomenclature

10
2-1 Nomenclature
CQM1-B7A21
Front View
Indicators (see following table)
B7A Link Terminal connection terminals 1
For connection of a 16-point output B7A Link Terminal.
External power terminals
Required for transmission with the B7A Link Terminal. Con-
nect a 12- to-24 VDC power supply.
Terminal screws: M3
(Optimum tightening torque: 0.5 N S m)
B7A Link Terminal connection terminals 2
For connection of a 16-point Input B7A Link Terminal.
Name Color Function
RDY Unit ready Green Lit while the CQM1H/CQM1 is supplied
with power.
ERR Input
transmission
error
Red Lit if the B7A Link Terminal for input is
malfunctioning or the B7A Link Terminal
for input is disconnected.
3ms Transmission
delay time
Orange Lit while transmission delay time is set
to RAPID (3 ms). Not lit when set to
STANDARD (19.2 ms).
LOAD OFF Transmission
error
processing
Orange Lit while transmission error processing
is set to LOAD OFF. Not lit when set to
HOLD.
15IN+ERR Input mode Orange Lit while input mode is set to 15IN+ERR.
Not lit when set to 16IN.
Indicators
Nomenclature Section 2-1