Connection Elements - Siemens simatic hmi op27 Equipment Manual

OP37 Unit Description
17.3

Connection Elements

Slot B
Slot A
Figure 17-2 OP37: Arrangement of connections
No Name
.
Ê
Chassis ground
Ë
Power supply/Relay output
Ì
PS2 keyboard connection
Serial interfaces
Í
Ï
Ñ
Ò
Î
PS2 mouse connection
Ð
DIP switch
Ó
Parallel interface
Relay output
Battery compartment (covered)
Direct key module or CPI (optional)
AT expansion slot connection
PCMCIA Slot A and Slot B
17-4
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Ì Í Î Ï Ð
Ê Ë
Power supply (+ 24 V DC) and contact assemblies for driving a
horn or a light, for example.
For DOS mode only
Level
IF1A V.24/TTY (active/passive)
IF2 V.24/TTY (active/passive)
IF1B RS422/RS485
IF3 TTY (passive)/RS422/RS485
For DOS mode only
For setting serial interface IF1B (refer to Appendix B). Set and
check with the table in Section , 13.1.2Configuring the IF1B inter-
face.
LPT1 For parallel printer
Contact assembly for temperature monitoring and driving a light or
an auxiliary blower, for example. The relay is tripped when the
outside temperature reaches 45 C.
For connecting a direct key module with 12/ 16 digital outputs or a
control panel interface with max. 16/32 digital inputs/outputs.
Connection of an AT expansion slot for accommodating two short
AT cards. (The AT expansion slot is not supported by the OP firm-
ware.)
For JEIDA/PCMCIA cards (Slot A is for DOS mode only, Slot B
for OP and DOS modes)
Ó
Ñ Ò
Description
–
PLC
PC, PU, printer
PLC
Not used at present
–
OP27, OP37 Equipment Manual
Usage
Release 05/99