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COMPONENT IDENTIFICATION
FRONT VIEW
RUN LED
ERR LED
Maintenance
Connector
RUN
CFG2
ERR
920Run
920Link
CFG1
920Run LED
920Link LED
NC
NC
NC
NC
■ STATUS INDICATOR LED
ID
STATUS
COLOR FUNCTION
RUN*
1
ON
Green
ON
Red
ERR*
1
ON
Green
ON
Red
920Run
ON
Green
920Link
ON
Green
0.5 Hz
Green
blinking
Blinking
Red
ON
Red
*1. Refer to "LED Function: SW3-4" below.
■ SIDE DIP SW
(*) Factory setting
• Data Allocation: SW1, SW2
Data Allocation Type*
must be assigned to each I/O module
2
slot position to specify how many data areas (four types) are
to be occupied by each module.
Two bits from SW1 and SW2 are assigned to each position,
so as to specify data areas for each of the slots No. 1 to 8.
Setting for No. 9 and later slots is identical to No. 8.
SW ASSIGNMENT
SW1-1
SW1-2
SW1-3
SW1-4
SW1-5
SW1-6
SW1-7
SW1-8
SW2-1
SW2-2
SW2-3
SW2-4
SW2-5
SW2-6
SW2-7
SW2-8
SW SETTING
OFF
OFF
ON
OFF
OFF
ON
ON
ON
*2. Refer to the specifications of the related series for the Data
Allocation Type of I/O modules.
Antenna Connector
Configuration Jack
Tension clamp
Terminal
RUN Contact Output,
Power Input Terminal
Output writable port: normal
communication
Wired: receiving data
Output writable port: commu-
nication error
Wired: transmitting data
Wireless: normal communica-
tion
Wireless: coordinator is con-
nected
Wireless: coordinator connec-
tion in process
Network authentication failure
NO detour
SLOT
1
2
3
4
5
6
7
8
DATA ALLOCATION
1
4
8
16
5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN
Phone: +81(6)6659-8201 Fax: +81(6)6659-8510 E-mail: info@m-system.co.jp
SIDE VIEW
• Dual Communication: SW3-1
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
MAIN (*)
SW3-1
• Input Error Data: SW3-2
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
HOLD (*)
SW3-2
• Main/Sub Switching Control: SW3-3
The host PC or PLC can choose whether 'Main' or 'Sub' bus
is used when the switching control is set to 'Host.'
In 'Normal' mode, 'Main' bus is normally used, while 'Sub'
bus is when the main communication has failed.
MAIN/SUB SWITCHING CONTROL
SW
NORMAL (*)
SW3-3
Note 1: Be sure to match this control mode for both network
modules in dual communication mode.
Note 2: Must be "OFF" in single communication mode.
• LED Function: SW3-4
Functions assigned to the front RUN and ERR LEDs can
be selected.
SW3-4
RUN
Green when normal
OFF (*)
OFF when Timeout
ON
Red when receiving Red when transmitting
R3-NMW1F
DIP SW
SW3
SW2
4
8
8
3
7
7
2
6
6
1
5
5
4
4
ON
3
3
2
2
1
1
ON
DUAL COMMUNICATION
SUB
OFF
ON
INPUT ERROR DATA
SET '0'
OFF
ON
HOST
OFF
ON
LED FUNCTION
ERR
Green ON/blinking when abnormal
OFF when normal
EM-8286 P. 3 / 10
SW1
ON
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