KEYENCE DL-RS1A/FD-MH - Manual (Page 3)

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Contents
Safety Precautions
General Cautions
Handling Errors
Operating Precautions
Installation environment
Noise countermeasures
Before Using the Unit
Checking the Package Contents ..................................................................................... 2
Part Names and Functions ............................................................................................... 2
Connecting the Unit to Sensor Amplifiers
Mounting the Unit ............................................................................................................. 3
Mounting the unit on the DIN rail................................................................................................. 3
Connecting the Unit to Sensor Amplifiers ........................................................................ 4
Available sensor amplifiers ......................................................................................................... 4
Connecting the DL-RS1A to DIN rail mount sensor amplifiers.................................................... 4
Connecting the Unit to External Devices
Communication Terminal Block ....................................................................................... 5
Terminal connection .................................................................................................................... 5
Connection wiring........................................................................................................................ 5
Optional cable ............................................................................................................................. 5
Input circuit diagram ................................................................................................................... 6
Communication Specifications
Communication Specifications......................................................................................... 6
Sensor Amplifier ID Number Assignments....................................................................... 6
DIN rail mount sensor amplifiers ................................................................................................. 6
Commands and Responses
Overview of Commands and Responses......................................................................... 7
Command format......................................................................................................................... 7
Response .................................................................................................................................... 7
Error response............................................................................................................................. 8
Reading............................................................................................................................ 8
Read from the specified sensor amplifier (SR command) .......................................................... 8
Read all data from all sensor amplifiers (M0 command) ............................................................ 8
Read output states and data from all sensor amplifiers (MS command) .................................... 9
Read with external input to the DRQ terminal (DRQ read).......................................................... 9
Writing .............................................................................................................................. 9
Write to the specified sensor amplifier (SW command) .............................................................. 9
Write to all sensor amplifiers (AW command) ............................................................................. 9
Parameters of Commands and Responses
Electromagnetic Digital Flow Sensor FD-MH Series ...................................................... 10
Communication commands ...................................................................................................... 10
ID numbers................................................................................................................................ 10
Data numbers............................................................................................................................ 10
Control outputs .......................................................................................................................... 12
Error numbers............................................................................................................................ 13
Communication Response Time
Communication Response Time and Time Chart .......................................................... 13
SR command............................................................................................................................. 13
M0 command and MS command.............................................................................................. 13
DRQ input.................................................................................................................................. 14
SW command and AW command ............................................................................................. 14
Time Frames of Communication Response Time .......................................................... 14
T2 (DL-RS1A data processing time) ......................................................................................... 14
T3 (Command send time from external device)........................................................................ 14
T4 (DL-RS1A command processing time) ................................................................................ 15
T5 (Response send time from DL-RS1A) .................................................................................. 15
T6 (Sensor amplifier settings change time)............................................................................... 15
Specifications
Performance Specifications ........................................................................................... 16
Communication Specifications....................................................................................... 16
Dimensions..................................................................................................................... 16
When the unit is mounted on the DIN rail.................................................................................. 16
When the optional fixture (OP-60412) is used........................................................................... 16
Troubleshooting
ASCII Code Table
96143E
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