![background image](http://html1.mh-extra.com/html/omron/nsh5/nsh5_operation-manual_744522029.webp)
5
Overview
Section 1-1
• Setting parameters and monitoring operation when an error occurs
• Setting parameters and monitoring operation anywhere in expansive facil-
ities
1-1-6
Switch Output Configuration
The stop/emergency stop switch uses DPST-NC c NO bit. Of these,
DPST-NC contacts are used for external hardware outputs. The remaining NO
bit can be allocated any bit in the internal memory or in the host (PLC) mem-
ory.
Six function switches can be allocated any bits in the internal memory or in
the host (PLC) memory. Four of the function switches can be output to exter-
nal contact outputs.
The enabling switch (DPST-NO) can also be output to external contact out-
puts.
1-1-7
External Connections
Use a Special Cable (NSH5-232/422-CW-
@@
M, UL type:
NSH5-232/422UL-
@@
M
), loose-wires and D-Sub connector on one end) to connect the signals
as follows:
• Emergency stop switch/stop switch
When using as a safety system, connect to safety components. (Do not
connect to the PLC.)
• Enabling switch
When using as a safety system, connect to safety components. (Do not
connect to the PLC.)
• Serial communications (RS-232C or RS-422A)
Connect to the serial port of the PLC.
• Function switches
Connect to an DC Input Unit of the PLC.
F6
F7
F8
F9
F1
F2
F3
F4
F5
F10
F3
F4
F8
F5
F9
F10
NSH5
F3
F4
F8
F5
F9
F10
Stop/emergency stop switch
(DPST-NC c NO bit)
10 function switches
Color TFT LCD*
Allocation
Internal memory
External
output
24-VDC power supply
Stop/emergency stop
switch outputs (DPST-NC)
4 function
switch outputs
Enabling switch outputs
(DPST-NO)
The hard-wired outputs operate even when the PT power supply is OFF.
Enabling switch
(DPST-NO)
Stop/emergency stop switch
Allocation
or
RS-232C
or RS-422A
Host (PLC) memory
Stop/emergency stop switch
* PTs with lot numbers 05X0 and
earlier have STN LCDs. Refer
to
NSH5-series PT Lot Num-
bers
on page 73 for information
on lot numbers.
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 ...