User guide

Hochiki Europe (UK) Ltd
Page 2 2-3-0-778/ISS8/DEC11
CHQ-DIM - DUAL INPUT MONITOR
This device is a loop-powered module designed to interface to a variety of inputs,
such as, door contacts, sprinkler flow/door switches and plant equipment fault
contacts, this module is particularly suited to applications where a fast response is
required to the input change.
Setting Contact Monitoring
Both volt free input contacts can be configured to be either N/O or N/C, by setting the
2-bit DIL switch
CHQ MODULE
SWITCH 1 UP I/P 1 Normally Closed (N/C)
SWITCH 1 DOWN I/P 1 Normally Open (N/O)
SWITCH 2 UP I/P 2 Normally Closed (N/C)
SWITCH 2 DOWN I/P 2 Normally Open (N/O)
DIN MODULE
SWITCH 1 UP I/P 1 Normally Open (N/O)
SWITCH 1 DOWN I/P 1 Normally Closed (N/C)
SWITCH 2 UP I/P 2 Normally Open (N/O)
SWITCH 2 DOWN I/P 2 Normally Closed (N/C)
LOOP CONNECTIONS: S = Cable Screen
(
if re
q
uired
)
, - = Loo
p
Ne
g
ative
(
-ve
)
, + = Loo
p
Positive
(
+ve
)
O
r
de
r
codes
C
H
Q
-DIM
(SC
I
)
/
C
H
Q
-DIM
/
M
(SC
I
)
/
C
H
Q
-DIM
/
DIN
(SC
I
)
*
1
Transmission method Di
g
ital communication usin
g
ESP
O
p
eratin
g
volta
g
e 17 - 41 VDC
Quiescent current
280

A
Current in short-circuit 8 mA
Current consum
p
tion whilst
p
ollin
g
22 mA  20 %
Maximum short-circuit current
(
Loo
p)
1 A
Current consum
p
tion with in
p
uts active 4.3 mA
(
Both active
)
*
2
In
p
ut line resistance
ON threshold <50 
,
OFF threshold >100 K

Weight (g) &
Dimensions (mm)
CHQ-DIM(SCI)
CHQ-DIM/M(SCI)
327
L157 x W127 x D35 (CHQ Module plus Lid)
D=79 (CHQ Module plus Lid plus CHQ-BACKBOX)
(add 235 to module weight when using CHQ-BACKBOX)
L108 x W119 x D24 (CHQ DIN Module)
CHQ-DIM/DIN(SCI) 113
Colour and enclosure material CHQ Module & CHQ-BACKBOX White ABS
,
DIN Module Green ABS
*
1
Fire alarm control panel compatibility required for these products.
*
2
Note: - Add 85

A
p
er in
p
ut for normall
y
closed contact monitorin
g
CHQ-DZM - DUAL ZONE MONITOR
This device is an externally powered module designed to allow up to 60
conventional detectors (30 per zone) to be interfaced to Hochiki’s ESP analogue
addressable system. The unit features three End Of Line (EOL) monitoring options
(see page 3 for further details).
Setting EOL Monitoring Option
Select the required EOL monitoring option using the 2-bit DIL switch.
CHQ MODULE
SWITCH 1 DOWN
ZENER
SWITCH 2 DOWN
SWITCH 1 UP
A
CTIVE/RESISTIVE
SWITCH 2 DOWN
DIN MODULE
SWITCH 1 UP
ZENER
SWITCH 2 UP
SWITCH 1 DOWN
A
CTIVE/RESISTIVE
SWITCH 2 UP
LOOP CONNECTIONS: S = Cable Screen
(
if re
q
uired
)
, - = Loo
p
Ne
g
ative
(
-ve
)
, + = Loo
p
Positive
(
+ve
)
Order codes CHQ-DZM(SCI) / CHQ-DZM/DIN(SCI) Transmission method Digital communication using ESP
Operating voltage 17 - 41 VDC
Low Power Mode (typ)
110 A
Resistance on Zone (max) 50 Ω
Quiescent current (typ)
330 A
Capacitance on Zone (max) 0.3 µF
Current consumption (external) (Quiescent) 2mA, (Alarm) 70mA (both zones in fire)
Current in short-circuit 8 mA Maximum short-circuit current (Loop) 1 A
Output rating 24 VDC 8.5 mA
Detectors per zone
DCA, DFB, DFE – No limit, SLG, SLK, SLR, SIF, SIH, SIJ, DCC, DCD, DFJ – 30 max,
SPB-ET, SPC-ET or SRA-ET– Only one and no other detectors, HF-24 – Only one and no other detectors,
DRD-E – 15 max, Conventional Call Points – No limit
Weights (g) &
Dimensions (mm)
CHQ-DZM(SCI) 350
L=157 x W=127 x D=35 (CHQ Module plus Lid)
D=79 (CHQ Module plus Lid plus CHQ-BACKBOX)
(add 235 to module weight when using CHQ-BACKBOX)
CHQ-DZM/DIN(SCI) 130
Colour and enclosure material CHQ Module & CHQ-BACKBOX White ABS, DIN Module Green ABS
*
1
Fire alarm control panel compatibility required for these options.
Fig 5
Fig 4