YOKOGAWA UM33A/S006 User Manual Download Page 20

Page: 20 / 22

Wiring the RS485 Communication Interface

To perform Modbus Master/Monitor communication, wire the system as shown below. Attach a terminator to

the device at the end of the circuit.

Modbus Master 4

wire system wiring

wire system wiring of Modbus Master 4

wire system terminals

Wiring of Modbus Master 4

wire system terminals and 2

wire system terminals

Summary of Contents for UM33A/S006

Page 1: ...anual UM33A S006 Digital Indicator with Alarms with RS485 Communication Function Modbus Master Monitor User s Manual Detailed Instructions IM UM33A 01EN S6 IM UM33A 01EN S6 1st Edition Functional Enha...

Page 2: ...e RS 485 communication of the Type 2 code 1 is 2 wire system Note 2 When the CT option is specified the product does not conform to the safety standards UL and CSA or CE marking Products with CT optio...

Page 3: ...il 02 Discrete Inputs 03 Holding Resister and 04 Input Resister The maximum number of read commands and displays is eight Modbus master function Description Notes Read Allowed Write Not allowed Maximu...

Page 4: ...the continuous readout commands sent from the Modbus master side to the slave side the first setting parameter length of data 16 bits 1 register for the Bit and 16 bit integer data types and 32 bits...

Page 5: ...ctions on connected devices The communication conditions namely the baud rate parity stop bit and data length of connected devices must be the same as those of this instrument 3 4 Simple flow for usin...

Page 6: ...integer signed display range FLOAT display range when fixed decimal point is selected 0 19999 99999 High limit 1 Low limit 0 High limit 32767 Low limit 19999 High limit 99999 Low limit 19999 High limi...

Page 7: ...displayed Communication PV number is shown on the group display Only when the acquired data type is 16 bit integer hexadecimal expression can be used by changing FRMT MB ST menu to HEX When the acquir...

Page 8: ...tion ONOFF MB ST menu values are all set to hidden only the PV input is displayed If the PV input is hidden at least one of the ONOFF MB ST menu value is ON 3 9 Display Screen PV Input The PV input is...

Page 9: ...ing and manual switching using the Fn key Switching is also possible using parameters 3 11 Display Screen for Communication Errors When a communication error occurs the PV display area of the communic...

Page 10: ...The setting range is the same also for FLOAT If communication is disconnected retransmission output produces the previously saved value Note The communication PV retransmission output continues produc...

Page 11: ...alarms Table 3 12 1 Alarm function Item PV Communication PV Number of alarms 4 2 Type of alarm Not set 0 PV high limit 1 PV low limit 2 PV velocity 29 Self diagnostics 30 FAIL 31 Not set 0 PV high li...

Page 12: ...ation PV3 alarm 1 value 4646 Communication PV3 alarm 2 value 4647 Communication PV4 alarm 1 value 4648 Communication PV4 alarm 2 value 4649 Communication PV5 alarm 1 value 4650 Communication PV5 alarm...

Page 13: ...play Screen for Communication Errors Guide display is available only in English Other languages are not supported SELECT Display Function key function of standard model Guide Display ON OFF function p...

Page 14: ...M UNI Analog operation screen display unit STD no units VOLT voltage A current C Celsius F Fahrenheit ppm concentration PSCL pressure KPACL pressure MPACL pressure pH hydrogen ion exponent l volume m3...

Page 15: ...monitor function on off EASY OFF Function disabled not shown on the operation screen ON Function enabled shown on the operation screen OFF ADR Slave address EASY 1 247 1 DATA Read data type EASY BIT...

Page 16: ...menu menu MLOC Parameter symbol Name of parameter Display level Setting range Initial value MB ST MB ST menu lock PRO OFF MB DP MB DP menu lock PRO OFF M ALM M ALM menu lock PRO OFF OFF Display ON No...

Page 17: ...V alarm type 1 and 2 EASY 0 Not set 1 PV high limit 2 PV low limit PV high limit 1 AL1 T PV low limit 2 AL2 T AL1 D to AL2 D Communication PV alarm energize de energize 1 and 2 EASY 0 Energize 1 De en...

Page 18: ...END END END END END END END END A BS RTRY A FL RVV A SR END A LC END P S S S S P P P S S S S P P P S P S S S S S S S S S S S S S S S S S S S S S S S S S S S S S MB DP KEY DISP CSEL KLOC MLOC DI SL DI...

Page 19: ...B2 1 B2 2 A5 AL5 M HY1 M HY1 M HY1 M HY1 M HY1 M HY1 M HY1 M HY1 END A3 1 A3 2 A6 AL6 M HY2 M HY2 M HY2 M HY2 M HY2 M HY2 M HY2 M HY2 B3 1 B3 2 A7 AL7 MB A1 MB A1 MB A1 MB A1 MB A1 MB A1 MB A1 MB A1 A...

Page 20: ...communication wire the system as shown below Attach a terminator to the device at the end of the circuit Modbus Master 4 wire system wiring 2 wire system wiring of Modbus Master 4 wire system termina...

Page 21: ...20 Modbus Master wire system wiring LP option only 4 wire system wiring of Modbus Monitor 4 wire system terminals...

Page 22: ...21 2 wire system wiring of Modbus Monitor 4 wire system terminals 2 wire system wiring of Modbus Monitor 2 wire system terminals LP option only...