Nomenclature - Omron CQM1H series Operation Manual

Nomenclature

2-1 Nomenclature
CQM1-G7M21 Master
Front View
Transmission Ready terminals
(Refer to 3-2 External Output
Connection Cables)
Terminals shorted while in trans-
mission status with power on.
Read signal at CPU and confirm
transmission ready status be-
fore enabling data.
Refer to 4-2 Handling Power
On. The output from these ter-
minals linked to ON/OFF status
of the T/R RDY indicator.
ALM output terminals
(Refer to 3-2 External Output
Connection Cables)
Terminals shorted if an error oc-
curs in the output of a unit with
error detection function
(G730-ROC04-A).
Indicators
34
Terminal screws: M3
(Optimum tightening torque: 0.5 N S m)
Name
RDY Unit Ready
IN 1CH IN Mode
OUT 1CH OUT Mode
T/R RDY Transmission
Ready
HOLD HOLD Setting
T/R Transmitting
END Terminator
NODE Slave Setting
Error
ALM Slave Alarm
Indicators (see following table)
+
Transmission terminal
(Refer to 3-1 Transmission Cables)
–
For connection of transmission
cable to Expansion Master or
Slave.
Color
Green Lit when power is on and if
CQM1H/CQM1 recognizes a Master.
Orange Lit while number of inputs set to 1
word (16 points). Not lit when set to 2
words (32 points).
Orange Lit while number of outputs set to 1
word (16 points). Not lit when set to 2
words (32 points).
Green Lit while in transmission status with
power on. Not lit while in transmission
error.
Orange Lit while DIP switch set to HOLD (data
held when a transmission error
occurs).
Red Flashes while searching for terminator
or during transmission with power
turned on. Lit when there is a
transmission error. Not lit when there
is an error in the Master.
Red Lit when the power is turned on. Goes
out when the terminator is found.
Flashes when multiple terminators are
present.
Red Lit when Slave set to #28 to #30.
Flashes for other address setting error
(refer to Appendix B Troubleshooting
for details).
Red Lit after error occurs with Slave output
(G730-ROC04-A).
Section 2-1
Function