R3-NP1
P. / 4
EM-848 Rev.3
COMPONENT IDENTIFICATION
SW3
SA1
SA2
ON
4
3
2
1
1
2
3
4
5
6
5
4 3 2 1
0
9
8
7
6
5
4 3 2 1
0
9
8
7
6
RUN LED
■
FRONT VIEW
■
SIDE VIEW
ERR LED
Configuration Jack
Node Address Setting
Rotary SW, upper digit
Node Address Setting
Rotary SW, lower digit
Network Connector
■
PROFIBUS INTERFACE
PIN NO.
SIGNAL
SIGNIFICANCE
1
2
3
NC
NC
B_line
Not used
Not used
Network, B-line
4
5
6
RTS
GND
P5V
RTS signal
0V
5V
7
8
9
NC
A_line
NC
Not used
Network, A-line
Not used
■
FRONT ROTARY SW
• Node Address
: SA1, SA2
Node Address is set in Hexadecimal.
■
SIDE DIP SW
• Dual Communication
: SW3
When two network modules are mounted, one must be
‘Main’ (OFF) network and the other must be ‘Sub’ (ON) net-
work. For single communication, the network module must
always be set to ‘Main’ (OFF).
SW
DUAL COMMUNICATION
MAIN (
*
)
SUB
SW3-1
OFF
ON
• Input Error Data
: SW3
Hold:
When the communication from an input module is lost
due to the input module error, the network module holds the
signal and stands by until the communication recovers.
Set to ‘0’:
When the communication from an input module
is lost due to the input module error, the network module
outputs ‘0.’
SW
INPUT ERROR DATA
HOLD (
*
)
SET ‘0’
SW3-2
OFF
ON
• LED Function
: SW3
Functions assigned to the front RUN and ERR LEDs can
be selected.
When SW3-4 is OFF: R3 Network Status (*)
RUN
ERR
EXPLANATION
Green ON
OFF
Normal (Data_Exchange)
Green ON
Green Flash External Diagnostics
OFF
Green ON
Error (No Data_Exchange)
When SW3-4 is ON: PROFIBUS Status
RUN
ERR
EXPLANATION
EXTERNAL
DIAGNOS-
TICS
OFF
OFF
No Power
---
ON (Orange)
OFF
No Connection
No
Flash (Red)
Yes
Flash
(Green/Orange)
OFF
Para / Cfg
No
Flash (Red)
Yes
ON (Green)
OFF
Data_Exchange
No
Flash (Red)
Yes
(*) Factory setting
6
9
1
5
