Mechanical Contacts - ABB Contrac PME120AI Instructions Manual

8.4

Mechanical Contacts

8.4.1 Wiring Diagram
3
3
13
contact 1
Fig. 8: Wiring scheme for mechanical contacts
8.4.2 General Contact Data
(acc. to DIN / VDE 0660)
Rated current:
400V
250 V
30 V
Table 5:
250V
30 V
Table 6:
8.4.2.1
(Gold plated contacts)
voltage:
current:
load:
Values are peak values for AC voltage.
8.4.3 Adjustment
- loosen electronic fastening screws
- disconnect the internal cable connectors and put electronic unit aside
- loosen screws (1) of connector pcb (2) and push pcb aside to get access to the contacts (refer to
fig. 9)
- connect a measuring instrument to the appropiate plug pins of the 10-pole plug socket (see fig. 8
for pin allocation)
- shift the cams (see fig. 10) until the relevant contact is open / closed
12 Electrical Part Turn Actuators for Continuous Modulating Control PME120AI (Contrac)
pin allocation
4 5 6 7
5 6
4 7
21 22
14 13
AC 2 A
AC 7 A
DC 0.5A
ohmic load
3 A
5 A
7 A
ohmic load
0.4 A
7 A
Electrical Contact Data
min. 5 V / max. 30 V
min. 4 mA / max. 400 mA
< 0.12 VA
8 9 10
plug for
contacts
8 9 10
14 21 22
contact 2
400 V
250 V
250 V
inductive loadcos phi 0.6
2 A
3 A
5 A
inductive load; cos phi 0.6
0.03 A
5 A
Electrical Connection
contact allocation scheme
21 22
13
14
(identical for both contacts)
A68-2005-003 EN