53
Nomenclature and Functions
Section 4-2
Note
CONNECT1 and CONNECT 2 are shorted in the NSH5 Cable (NSH5-232CN-
3M/10M).
1
2
3
4
S1
S2
S3
S4
+
RS-232C connector
RS-422A connector
Isolation between
RS-232 and RS-422A
Isolation from
24 VDC to 5 VDC
Hard-wired terminal
block
Terminating
resistance switch
−
Relay
Fuse
Key switch
(NO)
Relay (NO)
Rotary switch
Relay (NC)
Relay (NC)
RD
SD
RS
CS
0 V (SG)
24 V
0 V
FG
0 V (SG)
CONECT1
CONECT2
CONECT1
CONECT2
EMG1A1
EMG1A2
EMG2A1
EMG2A2
ENB1A1
ENB1A2
ENB2A1
ENB2A2
F1
F2
F6
F7
SWCOM
F1
F2
F6
F7
SWCOM
EMG1A1
EMG1A2
EMG2A1
EMG2A2
ENB1A1
ENB1A2
ENB2A1
ENB2A2
ENB-CH1
ENB-CH2
0 V
FG
24 V
SDA
−
SDB+
RDA
−
RDA+
RSA
−
RSA+
SG
FG
Summary of Contents for NSH5
Page 2: ......
Page 4: ...iv ...
Page 12: ...xii ...
Page 16: ...xvi ...
Page 24: ...xxiv EC Directives 6 ...
Page 58: ...34 Installing the Mounting Bracket Section 2 5 ...
Page 86: ...62 Connection Method Section 4 5 ...
Page 92: ...68 Precautions When Replacing the PT Section 5 4 ...
Page 98: ...74 General Specifications Appendix A ...
Page 99: ...75 Appendix B Dimensions 75 50 176 223 75 Four M4 70 5 16 5 ...
Page 102: ...78 Types of Memory Appendix C ...
Page 107: ...83 Recommended Enabling Circuits Appendix D Program Example ...
Page 108: ...84 Recommended Enabling Circuits Appendix D ...