Instruction Manual

5.6 SUPPORTED OPTOMUX CONFIGURATIONS
As shown in Figure 5-5, typical OPTOMUX installation configurations that are supported by the
PCS are multidrop connection and cascade (daisy chain) connection.
5.7 RS-232/485 ITB-PLC CONNECTION
As illustrated in Figure 5-6, TB2 (RS-485) of the RS-232/485 ITB is connected to the OPTOMUX
board. The lug connections for TB2 are for the standard four wire bundle: T+ (out), T- (out),
R+ (in), and R- (in).
The maximum cable length for RS-485 is 4000 feet (1219 m).
Typical Multidrop Connection
Typical Cascade (Daisy Chain) Connection
Figure 5-5. Typical Installation Configurations
53MC5000
PCS
RS-232/485
ITB
17
02
01
00
01
18
39
• • •
02
53MC5000
PCS
RS-232/485
ITB
16
00
• • •
RS-232/485 ITB TB2 OPTOMUX BOARD
CONNECTION CONNECTION
RECEIVE (R-) 1 TO HOST (-)
RECEIVE (R+) 2 TO HOST (+)
TRANSMIT (T-) 3 FROM HOST (-)
TRANSMIT (T+) 4 FROM HOST (+)
SHIELD 5 GROUND
Figure 5-6. RS-232/485 ITB TB2 to OPTOMUX Board Connections
Section 5. OPTO 22 Mode
OPTO
5-13