Connect inputs, Connect outputs, Connect auxiliary supply – TREND IQ241_242 User Manual
Page 4: Connect network, Configure/commission
1 - 4
IQ241/242 Series Controllers Installation Instructions TG103012 Issue 2/D 07/4/05
IQ241/242
Installation Instructions - Fixing
1.3 Installation - Fixing
(continued)
Connect Inputs
16
Digital Inputs
(Channels 1 to 32 only)
Sensor Voltage Inputs
(Channels 13 to 32 only)
S
S
S
IN
C
Earth bar
Sensor Current Inputs
(Channels 13 to 32 only)
IN
C
Earth bar
→ I (0 to 20 mA)
Sensor Thermistor Inputs
(Channels 13 to 32 only)
IN
C
Earth bar
0 V
SIG
IN
C
Earth bar
V (0 to 10 V)
Sensor External Powered Current Inputs
(Channels 13 to 32 only)
IN
C
Earth bar
→ I (0 to 20
mA)
SIG
Connect Outputs
17
Analogue Voltage Outputs (Channels 21 to 40 only)
WARNING: If external relays are
fitted, the wires may be
connected to hazardous
voltages. Disconnect
power before attempting
any wiring.
Connect Auxiliary Supply
18
IQ system TP/1/1/22/HF/200 (Belden
8761) cable recommended for all inputs
Terminal size 0.5 to 2.5 mm
2
Terminal size 0.5 to 2.5 mm
2
Additional Relay Modules
(RLM/
HLM)
(HCM/
TRM)
IQ system TP/1/1/22/HF/200 (Belden 8761) cable
recommended for voltage outputs
OUT
C
Earth
bar
Load
IQ24x
Relay
Module
nRM
SRMV =
x 1
2SRM =
x 2
3RM =
x 3
6RM =
x 6
2RM =
x 2
0 to 10 Vdc
0 Vdc
maximum current 20 mA per channel
e.g.
Load 1
Load 2
24 V
IQ241/242
+
AU
X
+
Imax = 500 mA
(load 1+ load 2)
24 V
IQ241/242
+
AU
X
OUT
24 V
0 V
IN
2RM
Note that channels 13 to 32 require S cards to be fitted see 2.1
step 9. IQ242 already has S cards fitted for channels 13 to 20.
Connect Network
19
Network Engineering
Manual
92-1735
T R
T R
T R
T R
T R
T R
T R
T R
T R
T R
T R
T R
N
ET
W
O
R
K
N
ET
W
O
R
K
LAN
earth bar
T- T+ R- R+ T- T+ R- R+
LAN
earth bar
2 wire
4 wire
Configure/Commission
20
IQ241/242 Installation Instructions -
Sheet 2: Configuration
2
T- T+ R- R+ T- T+ R- R+
Terminal size 0.5 to 2.5 mm
2
polarity independent
earth bar
e
l
b
a
C
d
u
a
b
2
k
1
d
u
a
b
6
k
9
d
u
a
b
2
k
9
1
s
e
r
i
W
f
o
.
o
N
2
8
1
9
n
e
d
l
e
B
m
0
0
0
1
m
0
0
0
1
m
0
0
7
2
7
0
2
9
n
e
d
l
e
B
m
0
0
0
1
m
0
0
0
1
m
0
0
5
2
m
e
t
s
y
s
Q
I
0
0
2
/
F
H
/
2
2
/
1
/
1
/
P
T
)
1
6
7
8
n
e
d
l
e
B
(
m
0
0
0
1
m
0
0
7
m
0
5
3
2
m
e
t
s
y
s
Q
I
0
0
2
/
F
H
/
2
2
/
2
/
2
/
P
T
)
3
2
7
8
n
e
d
l
e
B
(
m
0
0
0
1
m
0
0
5
m
0
5
2
4