2108i
Temperature/Process Indicator and Alarm Unit
Installing and Operating Instructions
Thank you for choosing the 2108i indicator and alarm unit. This
indicator may be supplied in three hardware variants:
1. Indicator only - providing accurate measurement and display of
temperature and other process variables. In this case the alarm
relays are not fitted .
2. Indicator plus one alarm relay
3. Indicator plus two alarm relays
Identification Labels
The indicator is identified by a label fixed to the top of the case
which gives the serial number and ordering code. The ordering code
defines the configuration of your particular indicator. Details of the
code are given on page 7.
D
A
I
IMENSIONS
ND
NSTALLATION
96 mm (3.78 in)
ε
48 mm
(1.89 in)
OP1
OP2
Latching ears (top & bottom)
Panel retaining clips (both sides)
103 mm (4.01 in)
E
C
LECTRICAL
ONNECTIONS
3C
3B
3A
Relay Output 2
Relay Output 1
Sensor inputs
V- V+
VI
AC
T/C
(lead length
Pt100
must not
exceed 1
mA
2.49Ω
PV
+
-
Issue 1,
Apr-98
Applies to software version 1.0
Providing outputs for machine
and product protection.
2108i
*
Panel cut-out
92
X
-0.0
+0.8
3.62
0.0 +0.03
ACK/
RESET
Model 2108 i
85-264Vac
AB
AA
LC LB
LA
Neutral
Link for
Ground
Keylock
metre)
Alarm
acknowledge
/reset
D
ISPLAY
A peel-off label set , illustrated below, is supplied with the indicator.
If a unit label is required, a convenient position is to fix it to the top
right hand corner of the display, as shown
o
C
m/s
x10
p.s.i
p.s.i.x10
EUROTHERM
To install the indicator
Please read the safety information on pages 7 & 8 before
proceeding.
1. Prepare the panel cut-out to the size shown.
2. Insert the indicator through the cut-out.
3. Spring the panel retaining clips into place. Secure the indicator
45 mm
in position by holding it level and pushing both retaining clips
-0.0 +0.6
forward.
X
1.77 in
4. Peel off the plastic film protecting the front of the indicator.
-0.0 +0.02
Unplugging the indicator
The indicator can be unplugged from its sleeve by easing the
latching ears outwards and pulling it forward out of the sleeve.
When plugging the indicator back into its sleeve, ensure that the
latching ears click into place to maintain the IP54 sealing.
Relay Ratings
2A, 264Vac resistive
Wire Sizes
The screw terminals accept wire sizes from 0.5 to 1.5 mm (16 to
22 AWG), Hinged covers prevent hands or metal making
accidental contact with live wires. The rear terminals screws
N
L
should be tightened to 0.4Nm (3.5lb in).
Line
This indicator meets the European directives on safety and
EMC
-
-
1
U
L
S
NITS
ABEL
ET
o
F
K
kPa
cm/s
l/h
mWG
1x10
l/min
T/h
bar
mbar
mPas
2
mmHg
Kg/cm
gal/min
Recommended minimum
spacing of indicators
(Not to scale)
38 mm
(1.5 in)
*
V
mV
A
mA
%
%RH
%pH
pH
rev/min
mile/h
Amps
38 mm
(1.5 in)
ENG
HA026277
Need help?
Do you have a question about the 2108i and is the answer not in the manual?
Questions and answers