113
Status Read: RX
Section 3-23
1.
The response block for Status Read (RX) does not include read data if the
end code of the response block is other than 00.
2.
Refer to
2-4 End Codes
.
3.
The contents of temperature controller errors detected with Status Read
(RX) can be checked with Error Read (RU). Refer to
3-24 Error Read: RU
.
Communications Example
In this example, the E5ZE is operated with Status Read (RX) under the follow-
ing conditions.
Unit no.:
1
Control Point:
3
RUN Status:
ON (E5ZE is operating)
Control Mode:
2
-
PID control
Output Operation:
Reverse operation
Parameters:
Written to memory
Auto
-
tuning:
Not auto
-
tuning
Heater Current Overflow: Normal current
Process Value:
OK
Sensor Input Error:
Sensor is OK
Error Output:
OFF
Alarm 1 Output:
ON
Alarm 2 Output:
OFF
HB Alarm Output:
OFF
HS Alarm Output:
OFF
Command
Bit no.
Function
Bit status
Bit no.
Function
Bit status
1
0
1
0
0
RUN Status
E5ZE is operat-
ing.
E5ZE is OFF.
8
Process Value
Underflow
Process value
is too low.
Process value
is OK.
1
Control Mode
PID
Manual
9
Process Value
Overflow
Process value
is too high.
Process value
is OK.
2
Output Opera-
tion
Direct opera-
tion
Reverse opera-
tion
10
Sensor Input
Error
Sensor error.
Sensor is OK.
3
Memory Write
Not written
Written
11
Error Output
ON
OFF
4
Auto
–
tuning
Auto
-
tuning.
Not auto
-
tun-
ing.
12
Alarm 1 Output ON
OFF
5
Undefined (The
status of bit 5 is
indefinite.)
---
---
13
Alarm 2 Output ON
OFF
6
Undefined (Bit
6 is always 0.)
---
0
14
HB Alarm Out-
put
ON
OFF
7
Heater Current
Overflow
Current is too
large.
Current is nor-
mal.
15
HS Alarm Out-
put
ON
OFF
@ 0 1 R X 0 3 0 2 4 A
s
*