RZMS-U9
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
EM-7602 Rev.11 P. 7 / 8
■
RS-232-C INTERFACE
1
5
6
9
ABBR.
PIN NO. EXPLANATION OF FUNCTION
BA (SD)
2
Transmitted Data
BB (RD)
3
Received Data
AB (SG)
5
Signal Common
CB (CS)
7
Clear to Send
CA (RS)
8
Request to Send
1
4
6
9
Not Used.
DO NOT connect. Connecting may
cause malfunctions.
R1M Series
RZMS-U9
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
The above connection including solid and broken lines is an example of
‘Interlink’ cable.
■
RS-232-C CABLE
• Use a ‘Straight’ cable to connect the module to a PC if not with the cable
included in the product package.
• For connecting the module to the R1M or the R2K-1 via RS-232-C,
the RS-232-C cable must satisfy the following conditions:
(1) Includes the connections shown with solid lines in the figure below.
(2) Pins No. 8 are not connected between each other. (May cause
breakdowns.)
‘Interlink’ or ‘Reverse’ cables are usually applicable.
•
Pin Assignments
WIRING INSTRUCTIONS
■
M3 SCREW TERMINAL (Input signal, alarm output)
Torque: 0.6 N·m
■
SOLDERLESS TERMINAL
Refer to the drawing below for recommended ring tongue
terminal size. Spade tongue type is also applicable.
Applicable wire size: 0.75 to 1.25 mm
2
(AWG19 to 16)
Recommended manufacturer: Japan Solderless Terminal
MFG.Co.Ltd, Nichifu Co.,ltd
6 max
(.24)
3 (.12) max
3.2 (.13) dia.
mm (inch)
■
EURO TYPE CONNECTOR TERMINAL (Power input, Modbus)
Applicable wire size: 0.2 to 2.5 mm
2
(AWG24 to 12)
Stripped length: 7 mm
COMMUNICATION CABLE CONNECTIONS
RZMS-U9
T1
T2
T3
T4
RZMS-U9
T1
T2
T3
T4
T1
T2
T3
T4
RZMS-U9
CONNECTO
R
RS-232-C
RS-485
*
1
*
1
*
1. Internal terminating resistor is used when the device is at the end of a transmission line.
*
2. Install shielded cables to all sections and ground them at single point.
*
2
FG
RS-485
