IT60SW6F
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-2436 P. 7 / 8
COMMUNICATION CABLE CONNECTIONS
■
WIRING CONNECTION WITH SLAVE DEVICES
DA
DB
DG
SLD
FE
DA
DB
DG
SLD
FE
DA
DB
DG
SLD
FE
Remote Unit
Remote Unit
TERMINATOR
TERMINATOR
*
2
*
1. Connect SLD and FE for reducing noise interference if necessary.
*
2. For units at both ends of communication line, “DA” and “DB” must be connected with a terminator,
however, for the unit, it is possible to set it by turning Terminator SW ON instead.
*
1
*
2
■
WIRING CONNECTION WITH SLAVE DEVICES
The Unit
■
TENSION CLAMP TERMINAL BLOCK
Applicable wire size
: 0.2 – 1.5 mm
2
Stripped length
: 10mm
Recommended solderless terminal
• AI0,25-10YE 0.25 mm
2
(Phoenix Contact)
• AI0,34-10TQ 0.34 mm
2
(Phoenix Contact)
• AI0,5-10WH 0.5 mm
2
(Phoenix Contact)
• AI0,75-10GY 0.75 mm
2
(Phoenix Contact)
MODBUS FUNCTION CODES & SUPPORTED CODES
■
DATA AND CONTROL FUNCTIONS
CODE
NAME
01
Read Coil Status
Digital output from the slave (read/write)
02
Read Input Status
Status of digital inputs to the slave (read only)
03
Read Holding Registers
General purpose register within the slave (read/write)
04
Read Input Registers
Collected data from the field by the slave (read only)
05
Force Single Coil
Digital output from the slave (read/write)
06
Preset Single Registers
General purpose register within the slave (read/write)
15
Force Multiple Coils
Digital output from the slave (read/write)
16
Preset Multiple Registers
General purpose register within the slave (read/write)
■
EXCEPTION CODES
CODE
NAME
01
Illegal Function
Function code is not allowable for the slave.
02
Illegal Data Address
Address is not available within the slave.
03
Illegal Data Value
Data is not valid for the function.
04
Slave Device Failure
05
Acknowledge
06
Slave Device Busy
07
Negative Acknowledge