TREND IQ251 User Manual
Important: Retain these instructions
IQ251
Installation Instructions
IQ251
Controller
Contents
1 Unpacking ............................................. 1
2 Storing .................................................. 1
3 Installation ............................................. 1
1 Unpacking
2 Storing
(14 °F)
+50 °C
(122 °F)
HO
2
0-10 °C
3 Installation
3.1 Installation - Mounting ....................... 1
3.2 Installation - Configuration ................ 7
4 Mounting in an Enclosure, ENCLS/.. ....... 12
5 Connecting to PC using Supervisor Port 12
6 Replacing the Battery ........................ 13
/24VAC,
90 %RH
/24VDC only
/230 only
/EIN/, /EAO/,
or /EDO/
(option)
PART/LA102359K
(option)
It is recommended that the installation should
comply with the HSE Memorandum of Guidance
on Electricity at Work Regulations 1989.
For USA install equipment in accordance with
the National Electric Code.
7 Zero Address/Baud Rate Switch Reset 15
8 Replacing the Fuse ............................... 16
9 Disposal ............................................... 16
IQ251 Installation
Instructions,
TG103483
3.1 Installation - Mounting
Dimensions
1
30 mm (2")
IQ251
30 mm (2")
a
b
440 mm (17.32")
550 mm (21.7")
c
IQ251
d
HO
2
0 °C
(32 °F)
0 %RH
175 mm (6.9")
+45 °C
(113 °F)
90 %RH
Requirements
2
IQ251
e
IQ251/USA: This unit is UL rated as 'UL916, listed open
energy management equipment'.
IQ251
IQ251
IQ251 Installation Instructions TG103483 Issue 3, 8/10/08
1
IQ251 Installation Instructions
3.1 Installation - Mounting (continued)
510 mm (20.08")
Mounting
3
If mounting on:
Wall
a
4 holes
Ø 8 mm (0.31")
b Insert rawl plugs b Tap holes
c Insert lower screws
No 12 wood screws
Metal Panel rear access Metal Panel no rear access ENCLS
a
4 holes
Ø 8 mm (0.31")
b -
c Insert lower screws
M6 screws and nuts
415 mm (16.34")
a
c Insert lower screws
see section 5
4 holes
Ø 8 mm (0.31")
Tap 4 M6 holes
M6 screws
d
Fit earthing (grounding) bars
If PART/LA102359K available
4
a
earthing (grounding) bar
b
IQ251
e
IQ251
f
IQ251
Route Cables
5
positions of earthing
(grounding) bars
2
IQ251 Installation Instructions TG103483 Issue 3, 8/10/08
Installation Instructions IQ251
3.1 Installation - Mounting (continued)
Tie Cables
6
Fit I/O Modules
8
a Snap off section if required
IQ251
Remove side plates
7
a
b
cable
cleats
c
c Locate positions
IQ251< v1.2 IQ251 (v1.2 or greater)
EIN
EIN
only
EAO
or
EDO
or
EAO
or EDO
EIN
or
EAO
or
EDO
snap off
sections
b Select Modules
/EIN/ 8 A na log + 8 Digital i nput channels
/EAO/ 8 Analog output channels
/EDO/ 8 Digital (relay) output channels
Replace Side Plates
9
ab
d Slide into position
Terminate Screens
10
M4 (supplied)
If earthing (grounding) bar fitted
slot
2 eyelets
maximum
tongue
IQ251
IQ251 Installation Instructions TG103483 Issue 3, 8/10/08
earthing (grounding) bars
3
IQ251 Installation Instructions
S
3.1 Installation - Mounting (continued)
11
Connect Inputs
IQ system TP/1/1/22/HF/200 (Belden 8761) cable recommended for all inputs
Cable size 0.5 to 2.5 mm2 (20 to 14 AWG) - Cu only
8 8
A I 1
A I 2
A I 3
A I 4
A I 5
A I 6
I N C
I N C
I N C
I N C
I N C
I N C
I N C
A I 7
Analogue Input (AI1 to AI8)
Current Input (loop powered)
I (0 to 20 mA)
SIG
S
24 V
Current Input (externally powered)
I (0 to 20 mA)
SIG
S
0 V
A I 8
D I 1
I N C
I N C
IN
C (24 V)
Earthing
(grounding) bar
IN
C (0
V)
Earthing
(grounding) bar
I N C
D I 2
AIn
AIn
I N C
/EIN/ module
8 8
A I 1
A I 2
A I 3
A I 4
A I 5
A I 6
A I 7
A I 8
D I 1
D I 2
D I 3
D I 4
D I 5
D I 6
D I 7
IN C
IN C
IN C
IN C
IN C
IN C
IN C
IN C
IN C
IN C
IN C
IN C
D I 3
D I 4
D I 5
D I 6
D I 7
I N C
I N C
I N C
I N C
I N C
D I 8
D I 8
IN C
IN C
IN C
IN C
earthing (grounding) bar (option)
IL
Thermistor Input
T
IN
AIn
C
Earthing
(grounding) bar
IX
Voltage Input
V
V (0 to 10 V)
+
IN
AIn
C (0 V)
0 V
Earthing
(grounding) bar
Connect Analogue Outputs
12
IQ system TP/1/1/22/HF/200 (Belden 8761) cable recommended for all analogue outputs
if /EAO/ fitted
Cable size 0.5 to 2.5 mm2 (20 to 14 AWG) - Cu only
/EAO/ module
8
A O 2
A O 1
O U T
C
O U T C
O U T C
A O 3
A O 4
A O 5
A O 6
A O 7
O U T C
O U T C
O U T C
O U T C
O U T C
A O 8
Analogue Output Channels (AO1 to AO8)
0 to 10 V (max), 20 mA (max)
AOn
OUT
+
C
0
LOAD
I Q 2 5 x
Earthing
(grounding) bar
WARNING: The wires may be connected to
hazardous voltages. Disconnect power
before attempting any wiring.
8
A O 1
A O 2
A O 3
A O 4
A O 5
A O 6
A O 7
O U T
C
O U T C
O U T C
O U T C
O U T C
A O 8
O U T C
O U T C
O U T C
earthing (grounding) bar (option)
R e l a y
M o d u l e
S R M V =
2 S R M =
2 R M =
3 R M = x 3
n R M
x 1
x 2
x 2
(RLM/HLM)
(HCM/TCM)
6 R M = x 6
4
IQ251 Installation Instructions TG103483 Issue 3, 8/10/08
Installation Instructions IQ251
EJ105383
24V
Earth
3.1 Installation - Mounting (continued)
Connect Digital Outputs
13
If /EDO/ fitted
Cable size 0.5 to 2.5 mm2 (20 to 14 AWG) - Cu only
8
D O 2 D O 3 D O 4 D O 5 D O 6 D O 7 D O 8D O 1
C N o N c C N o N c C N o N c C N o N c C N o N c C N o N c C N o N c C N o N c
Digital Output Channels (DO1 to DO8)
n+1
Æ
a
n
Æ
b
n+1
Æ
a
n
Æ
a
Drive on, load on
n
IQ
NC
NO
C
LOAD
Power
Drive off, load on
n
IQ
NC
NO
C
LOAD
24 Vdc (inductive) 2 A
240 Vac single phase throughout 7 A (resistive) 5 A (inductive, Cosø > = 0.4)
30 Vdc at 5 A (resistive)
For IQ251/USA, UL rating applies up to 30 V
/EDO/ module
C A U T IO N
H IG H V O L T A G E
M A Y B E P R E S E N T
IS O L A T E E L S E W H E R E
C N o N c C N o N c C N o N c C N o N c C N o N c C N o N c C N o N c C N o N c
8
D O 2 D O 3 D O 4 D O 5 D O 6 D O 7 D O 8D O 1
earthing (grounding) bar (option)
2 outputs - raise/lower
n + 1
IQ
NC
NO
Actuator
L
C
n
NC
NO
C
R
C
Power
Power
WARNING: The wires may be connected to
hazardous voltages. Disconnect power
before attempting any wiring.
14
Connect Input Power
A switch or circuit breaker must be included in the input
power to the unit and be in close proximity to it, and must be
clearly marked as the disconnecting device for the unit.
IQ251 Consumption <=100 VA
if /230
230 Vac +15 %, -10 %,
50 to 60 Hz
IEC
Arc suppression
recommended
Relay Output Arc
Suppression Installation
Instructions TG200208
if /24 VAC or /24 VDC
24 Vac +25 %, -10 %, 50 to 60 Hz
24 Vdc + 25%, -10 %, 50 to 60 Hz
If /24VAC
24 Vac: Isolated transformer
winding supply 1 controller
If /24VDC
24 Vdc: May supply several
controllers
only
Earth (ground) recommended
24 Vac 24 Vac
Mat-N-Loc to
terminal adaptor
(supplied)
24 V 0 V
24V
EJ105383
Earth
DO NOT
O
SWITCH
I
ON
IQ251 Installation Instructions TG103483 Issue 3, 8/10/08
WARNING: This apparatus must be
earthed (grounded)
using input power
connector.
5
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