Fig. 2. b
        IROPZ48500: 
Interfaccia scheda seriale RS485
Serial board interface RS485
        IROPZKEY**: 
Chiave di programmazione
Programming key
1
Fig. 2. c
110
70
60
46
Fig. 2. d
IROPZ485S0: 
Interfaccia scheda
seriale RS485
intelligente
Smart serial board
interface RS485
IROPZKEY**: 
Chiave di
programmazione
Programming key
IROPZKEY**: 
Chiave di
programmazione
Programming key
IROPZSER30: 
Interfaccia scheda 
seriale RS485
Serial board 
interface RS485
Fig. 2. e
ENG
ir33 universale  +030220801 - rel. 1.0 - 16.04.2008
2.  INSTALLATION
2.1  IR33: panel mounting and dimensions
2.1.1  IR33 optional connections
2.2  DN33: DIN rail mounting and dimensions
2.2.1 DN33 optional connections