Modbus Digital Remote I/O. ARM Series. Modbus Sensor Connector Type Digital Remote I/O. Features. User Manual For Communication. Ordering Information

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1 RM Series Modbus Digital Remote I/O Modbus Connector Type Digital Remote I/O Features Modbus RTU standard protocol Connects with sensor connector, e-con: saves wiring work (sensor connector, CNE Series, sold separately) Compact size : Small size with W6 L76 H5mm to install at narrow space : vailable DIN Rail mounting and screw lock mounting method Real-time monitoring by various functions : Communication speed auto-recognition, power voltage monitoring : Reading number of expansion units and specifications, Reading model name of basic and expansion units : Monitoring Single byte input/output, Multi byte input/output and status Flag Easy expansion : vailable to connect up to 6 basic units per master unit : vailable to connect up to 7 expansion units per basic units (controllable input/output for max. 6 points) : Combines the desired specifications of input/output by various input/output units : Organizes power and communication system by only communication cable lines High reliability : uilt-in surge, short, over-heat, reverse power polarity and static prevention circuits Please read Caution for your safety in operation manual before using. User Manual For Communication Visit our website ( to download the user manual for communication for Modbus communication. The user manual for communication describes for Modbus RTU protocol, Modbus Mapping Table. Ordering Information R M D I 08 N S () () Door/rea Terminal block I/O specifications I/O points I/O type Digital/nalog Item S connector -pin socket N NPN open collector P PNP open collector 08 8 points type I Input type O Output type D Digital type M asic unit (Modbus RTU type) X Expansion unit (Use in DeviceNet/Modbus) R utonics Remote I/O asic unit Expansion unit Specification RM-DI08N-S RX-DI08N-S 0-8 NPN input 8-point (0m/point) RM-DI08P-S RX-DI08P-S 0-8 PNP input 8-point (0m/point) RM-DO08N-S RX-DO08N-S 0-8 NPN output 8-point (0.m/point) RM-DO08P-S RX-DO08P-S 0-8 PNP output 8-point (0.m/point) & s S-

2 RM Series Specifications asic unit RM-DI08N-S RM-DI08P-S RM-DO08N-S RM-DO08P-S Expansion unit RX-DI08N-S RX-DI08P-S RX-DO08N-S RX-DO08P-S Power supply Rated voltage:, Voltage range: -8 Power consumption Max. W I/O points NPN input 8 points PNP input 8 points NPN output 8 points PNP output 8 points Control I/O Voltage Output (voltage drop: Max. 0.5V) Current 0m/point (sensor current: 50m/points) 0./point (leakage current: Max. 0.5m) COMMON method 8 points, common Modbus RTU POLL Compliance with EI RS85 -wire half duplex Max. 800m Max. Multi-Drop 8 bits 00, 800, 9600, 900, 800, 57600, 500bps (default 9600bps) Protocol Media access pplication standard Communication method Communication distance Multi-drop Data bit Communication speed Stop bit or bits (default: ) Parity bit None/Odd/Even (default: None) Insulation resistance Min. 00MΩ (at 500 megger) Noise resistance ±0V the square wave noise (pulse width: μs ) by the noise simulator Dielectric strength,000vc 50/60Hz for minute Vibration.5mm amplitude or 00m/s at frequency of 0 to 55Hz (for min.) in each X, Y, Z direction for hours Shock 500m/s² (approx. 50G) in each of X, Y, Z directions for times Environ -ment mbient temperature -0 to 55, storage: -5 to 75 mbient humidity 5 to 85%RH, storage: 5 to 85%RH Protection structure IP0 (IEC standards) Protection circuit Surge, Short-circuit, Overheating and static protection, Reversed polarity protection circuit Over current protection (Operated at min. 0.7) Over current protection (Operated at min. 0.7) Indicator status (NS) LED (Green, Red), Module status (MS) LED (Green, Red) I/O status LED (Input: Green, Output: Red) Material Front case: PC, ody case: PC Mounting DIN Rail or Screw lock type Isolation type I/O and inner circuit: insulated, Modbus and inner circuit: non-insulated, unit power: non-insulated pproval Unit asic unit pprox. 66g weight Expansion unit pprox. 56g Environment resistance is rated at no freezing or condensation. Unit Descriptions asic unit connector No. For Organization 5 (+) 5: : N C : N C : :. switch for node address : Two rotary switches are used for setting address. X0 switch represents the 0 s multiplier and X0 switch represents the s multiplier.. Status LED : It is LED for displaying Unit status (MS) and status (NS).. I/O status LED: It is LED for displaying I/O status. 5. Rail Lock: It is used for mounting DIN Rail or with screws. 6. Connnector output part: It is used for connecting an expansion unit. 7. connector: It is connector for connecting external device I/O. 8. External power connector: It is used for supplying external power. S-

3 Modbus Digital Remote I/O Expansion unit 7 6. Connnector input part :It connects an Expansion unit and is joined into the connnector output part.. I/O status LED: It is LED for displaying I/O status.. Rail Lock : It is used for mounting DIN Rail or with screws.. Connnector output part: It is used for connecting an expansion unit. 5. connector: It is connector for connecting external device I/O. 6. External power connector: It is used for supplying external power. () () Door/rea I/O Circuit Diagram Type connector Inner circuit connector NPN input IN PNP input IN NPN output OUT & s PNP output OUT IN : IN0 to IN7, OUT : OUT0 to OUT7 S-5

4 RM Series Connections RM-DI08N-S RX-DI08N-S RM-DI08P-S RX-DI08P-S RM-DO08N-S RX-DO08N-S RM-DO08P-S RX-DO08P-S IN (NPN): 8P, 0m Dimensions Mounting DIN rail 6 IN (PNP): 8P, 0m OUT (NPN): 8P, 0./Point Mounting with screws -ø.5 OUT (PNP): 8P, 0./Point (unit:mm) Same dimensions are applied to both basic and expansion unit. Status LED Item Module Status (MS) LED Status (NS) LED S-6 LED status Red Green ( : On, : Flash, : Off ) Description Error of expansion units Error of MC ID Normal operation Power is not supplied Not supported communication speed (t auto baud rate) Error of packet Normal communication Communication standby

5 Modbus Digital Remote I/O Setup nd Installation Setting node address - Setup address is by rotary switches or by inner EEPROM. - If the rotary swithces are 00, the address is set by inner EEPROM. The others, the desired number of rotary switches is that address. y rotary switch for address Two rotary switches are used for setting address. X0 switch represents the 0 s multiplier and X0 switch represents the s multiplier. ddress is settable from 0 to 99. (Ex) The 0 and switches point at '', the node address is ''. X0 X fter setting the desired node address, re-supply the unit power for applying the changed address. y in the EEPROM for address During communicate status with master system (PLC or PL), set the desired address on the 09 EEPROM MC ID parameter. The set address is changed after unit power is supplied. Re-supply the unit power for applying the changed address. Unit Installation Mounting on panel Pull two Rail locks on the rear part of a unit, there is a fixing screw hole. Place unit on a panel to be mounted. Make a hole on a fixing screw hole position. Fasten the screw to fix the unit tightly. Please set the tightening torque under 0.5N m. Mounting on DIN rail Pull two Rail locks on the rear part of a unit. Place the unit on DIN rail to be mounted. Press Rail locks to fix the unit tightly. Connection of basic and expansion unit Turn OFF the power of a basic unit. Remove the cover of connector for extension with nippers. Connect connector input part of an expansion unit and connector output part of a basic unit with the connector which is enclosed with an expansion unit box. Connected expansion units are installed as the right figure. 5 Supply power to the basic unit. (re-supply power to the basic unit, and it recognizes expansion units.) Terminating Resistance 0Ω % of metallic film /W Connect terminating resistances on the both ends of the network cables. If not connecting terminating resistances, impedance can be too high or low. It may cause network problems. Caution During Use Turn OFF the power before connecting or disconnecting expansion units. ddresses of connected units on network should not be duplicated. If you change an address with rotary switch or EEPROM during operation, unit status (MS) red LED flashes and it communicates with a previous node address. Re-supply power and the changed node address is applied. Communication speed which is set on upper system (PC, PLC, etc) is set automatically. If you change the communication speed during operation, network status (NS) red LED turns ON and it does not communicate. Re-supply power and it operates normally. Make sure to use standards communication cables. It may cause communication error if non-standards cables are used. Make sure to examine disconnection or short-circuit before connecting cables. void installing the units where severe dust exists or where corrosion may occur. This unit may be used in the following environments. Indoor ltitude: Under,000m Pollution degree Installation category II () () Door/rea & s S-7