Jumper Links For Relay Outputs - Cm30 And Cm50 Controllers; Removing The Controller From Its Case - Cm30 And Cm50; Resetting Jumper Links - Cm30 And Cm50 - ABB ControlMaster CM30 User Manual

ControlMaster CM30, CM50 and CMF310
Universal process controllers,
4.4 Jumper Links for Relay Outputs –
CM30 and CM50 Controllers
The factory-set default for relay action is N/O.
4.4.1 Removing the Controller
– CM30 and CM50
from its Case
The ControlMaster inner assembly must be
removed from its case to access the relay contact
jumper links.
Referring to Fig. 4.11:
1. Insert the bezel release tool
into the front panel slot
function keys.
2. Press the bezel release tool
C
then down until the shoulder on the tool
engages with
controller front plate.
3. Pull the bezel release tool
the inner assembly from the case
Note. If the bezel release tool is mislaid, 2 small
flat-headed screwdrivers (4 mm [0.15 in.]) can
be used as alternative tools, one inserted into
the front panel slot and the second for leverage
in the notch on the underside of the controller
front plate. The notch is the only area that can
be used as a leverage point – do not attempt to
lever the front panel from any other area.
B
D
Fig. 4.11 Removing the Controller from its Case
IM/CM/ED–EN Rev. X
1 1
/ , / DIN and fieldmount
4 2
A
(supplied)
B
below the
A
fully in and
the notch behind
A
to withdraw
D
.
C
4.4.2 Resetting Jumper Links –
CM30 and CM50
Note. The factory-set default for all jumper links
is N/O.
1. The links associated with the relay outputs
are shown in Fig. 4.12.
2. If necessary, move the link to select the relay
action required (N/O or N/C).
CM30 Option Board 1 / 1a
LK1 = Relay O/P 2
the
LK2 = Relay O/P 3
LK3 = Relay O/P 4
CM50
Option
Board 1
LK1 = Relay O/P 3
LK2 = Relay O/P 4
Fig. 4.12 Jumper Links for Relay Outputs
4 Installation
LK1
N/C N/O
LK2
N/C N/O
LK3
N/C N/O
CM50
Standard
Board 1
LK1 = Relay O/P 1
LK2 = Relay O/P 2
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