Yokogawa Touch Screen GP20 - Manual (Page 49)

2-35
IM 04L51B01-17EN
Commands and Responses
1
2
App
p2 Output type
Alarm Output alarms
Manual Specify the output value
p3 Operation
And Operate when all set alarms are
in the alarm state.
Or Operate when any of the set
alarms are in the alarm state.
Query SSwitch[,p1]?
Example Output an alarm on internal switch 3. Use “OR”
logic.
SSwitch,3,Alarm,Or
Description
• p3 is valid when p2=Alarm.
SSerialBasic
Serial Communication Basics (/C2 or /
C3)
Sets basic serial communication parameters.
Not Use
Syntax SSerialBasic,p1
p1 Function (Off)
Normal
Syntax SSerialBasic,p1,p2,p3,p4,p5,p6,p7
p1 Function (Normal)
p2 Address (1 to 99)
p3 Baud rate [bps] (1200, 2400, 4800, 9600,
19200, 38400, 57600, 115200)
P4 Parity (Odd, Even, None)
p5 Stop bits (1, 2)
p6 Data length [bit] (7, 8)
p7 Handshaking (Off:Off, XON;XON,
XON:RS, CS:RS)
Modbus Master and Modbus Slave
Syntax SSerialBasic,p1,p2,p3,p4,p5
p1 Function (Master, Slave)
p2 Address (1 to 247)
p3 Baud rate [bps] (1200, 2400, 4800, 9600,
19200, 38400, 57600, 115200)
P4 Parity (Odd, Even, None)
p5 Stop bits (1, 2)
Query SSerialBasic?
Example Set the baud rate to 9600, the data length to 8,
the parity check to ODD, the stop bits to 1, the
handshaking to OFF:OFF, the address to 02,
and the protocol to NORMAL.
SSerialBasic,Normal,2,9600,Odd,1,8
,Off:Off
Description
• You can set p1=Master only on GXs/GPs that have the
/MC option.
• The settings specified with this command takes effect
with the OSeriApply command. The GX/GP serial
settings do not change until you send the OSeriApply
command.
SModMaster
Modbus Master (/C2/MC or /C3/MC)
Sets the Modbus master operation.
Syntax SModMaster,p1,p2,p3,p4,p5,p6
p1 Master function (Off, On)
p2 Read cycle (100ms, 200ms, 500ms, 1s,
2s, 5s, 10s)
p3 Communication timeout (100ms, 200ms,
250ms, 500ms, 1s, 2s 5s, 10s, 1min)
P4 Gap between messages (Off, 5ms, 10ms,
20ms, 50ms, 100ms)
p5 Recovery action: retransmission (Off, 1, 2,
3, 4, 5, 10, 20)
p6 Recovery action: wait time (Off, 5s, 10s,
30s, 1min, 2min, 5min)
Query SModMaster?
Example Set the read cycle to 500ms, the
communication timeout to 250ms, the
gap between messages to 10ms, the
retransmission to 2, and the recovery wait time
to 5min.
SModMaster,On,500ms,250ms,2,5min
SModMCmd
Modbus Master Transmission Command
(/C2/MC or /C3/MC)
Sets a transmit command of the Modbus master.
Syntax SModMCmd,p1,p2,p3,p4,p5,p6,p7,p8
p1 Command number (1 to 100)
p2 Command type
Off Disable command
Write Write a value to a Modbus
register of another device
Read Read a value from a Modbus
register of another device
p3 Slave number (1 to 247)
P4 Data type
BIT Bit String data
INT16 16-bit signed integer
UINT16 16-bit unsigned integer
INT32_B 32-bit signed integer (big
endian)
INT32_L 32-bit signed integer (little
endian)
UINT32_B 32-bit unsigned integer (big
endian)
UINT32_L 32-bit unsigned integer (little
endian)
FLOAT_B 32-bit floating point (big
endian)
FLOAT_L 32-bit floating point (little
endian)
2.4 Setting Commands