Hochiki CHQ-PCM(SCI) - Manual (Page 2)

2-3-0-1156/ISS2/OCT11
Connection Details
The module has been designed for easy installation
and contains two connector blocks for termination of
the field wiring; refer to Fig. 4 (right) for correct
connection details.
A – EOL Monitoring Resistor, 10 KΩ
B – Operational Resistor, 470 Ω
(volt-free contact)
Setting the Fault Monitoring
The general purpose inputs on the
CHQ-PCM(SCI) are fully monitored for open and
short circuit, however, if the monitoring facility is not
required then they can be disabled by the two-way
DIL switch, refer to the table below:
Fig 4
CHQ MODULE
SWITCH 1 DOWN INPUTS 1 & 2 MONITORED
In Non-Monitored mode*,
the unit ignores open or
short-circuit condition –
but still requires 470 Ω to
activate.
SWITCH 1 UP INPUTS 1 & 2 NOT MONITORED
SWITCH 2 DOWN INPUTS 3 & 4 MONITORED
SWITCH 2 UP INPUTS 3 & 4 NOT MONITORED
DIN MODULE
SWITCH 1 DOWN INPUTS 1 & 2 NOT MONITORED
SWITCH 1 UP INPUTS 1 & 2 MONITORED
SWITCH 2 DOWN INPUTS 3 & 4 NOT MONITORED
SWITCH 2 UP INPUTS 3 & 4 MONITORED