4 Electrical connection
Mycom S CPM 153
14
Hauser
Connections in the front cover
Fig. 8:
Terminal assignment in the housing cover of the transmitter
Connections in the back cover
Fig. 9:
Terminal assignment in the lower housing section of the transmitter
4.1.3
Contact assignment
In the basic version, the Mycom S CPM 153 possesses 1 alarm and 2 additional
contacts. The instrument can be upgraded with the following
additional
equipment:
•
3 contacts
•
2 contacts and 1 current or resistance input (only for non-Ex)
•
1 contact, 1 current input and 1 current or resistance input (only for non-Ex)
The available contacts can be assigned via the software (see the "PARAM" menu
➞
"Set
up 1"
➞
"Contacts" from page 36)
!
Note!
•
If you use NAMUR contacts (acc. to recommendations of process control engineering
of the chemical and pharmaceutical industry), the contacts are set to the relays as
follows:
– Failure to "ALARM"
– Maintenance required to "RELAY 1" and
– Function check to "RELAY 2".
•
You can assign up to three relays to the controller.
pH
DRN
DRN
SRC
SRC
pH
Ref
Ref
Ref
Ref
12
12
12
12
13
13
13
13
11
11
11
11
S
S
S
S
PA
PA
PA
PA
C H A N N E L 1
C H A N N E L 2
C07-CPM153xx-04-06-00-en-007
For
pH glass electrode:
For
IsFET pH sensor:
31
85
41
L
32
86
42
A
93
57
n.c.
B
94
58
33
81
47
N
34
82
48
L+
89
L–
90
C07-CPM153xx-04-06-00-xx-006
Selection by software
NAMUR on
NAMUR off
ALARM
Failure
Alarm
RELAY 1
Warning when
maintenance
required
freely selectable
RELAY 2
Function check
freely selectable