16-3
OP27, OP37 Equipment Manual
Release 05/99
16.3
Connection Elements
Ê
Ë
Ì
Î
Ï
Ð
Ñ
Ò
Í
Figure 16-2 OP27: Arrangement of connections
No.
Name/Purpose
Description
Serial interfaces
1)
:
Level
Usage
Ê
IF1A
RS232/TTY (active/passive)
PLC
Ë
IF2
RS232/TTY (active/passive)
PC, PU, printer
Í
IF1B
RS422/RS485
PLC
Ì
DIL switch
For setting serial interface IF1B (refer to Appendix B). Set and check with
the table in Section 13.1.2, Configuring the IF1B interface.
Î
Chassis ground
–
Ï
Power supply/relay output
Power supply (+ 24 V DC) and contact assemblies
(For pin assignment, refer to Section 13.1).
Ð
PCMCIA slot
For JEIDA/PCMCIA cards.
Ñ
DKM or CPI (optional)
For connecting a direct key module with 8 digital outputs or a control panel
interface with max. 16/32 digital inputs/outputs.
Ò
Battery compartment
(covered)
–
1) The connection plug pin assignment is described in Appendix B.
OP27 Unit Description
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