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WAGO-I/O-SYSTEM 750
750-486 4AI 0/4-20 mA, Ex i
4.2
Status Bytes
Status bytes are identically implemented for all channels. Therefore, the following
description in this section applies to all status bytes of the I/O module.
Table 19: Status Byte CH1_S0
Bit 7
RegCom
Underrange
Overrange
User
Underrange
User Overrange
Short Circuit
Wire Break
General Error
RegCom
1)
Does not apply to 0-20 mA (ID0)
Status byte CH1_S0, Byte 1
Bit 6
Bit 5
Bit 4
General
Wire
Short
Error
Break
Circuit
Underrange
0:
The field-side input current is above the current lower limit.
1:
The field-side input current is below the current lower limit.
Range exceeded
0:
The field-side input current is below the current upper limit.
1:
The field-side input current is above the current upper limit.
User limiting value underrange
0:
The field-side input current is above the current lower limit configured by the
user.
1:
The field-side input current is below the current lower limit configured by the
user.
User limiting value overrange
0:
The field-side input current is below the current upper limit configured by
the user.
1:
The field-side input current is above the current upper limit configured by
the user.
Short circuit
0:
The field-side input current is within the maximum permissible input current
range.
1:
The field-side input current is above the maximum permissible input current
range.
1)
Wire break
0:
The field-side input current is above 1 mA.
1:
The field-side input current is below 1 mA.
General error
0:
No error or bit 0 (underrange), bit 1 (overrange), bit 4 (short circuit) or bit 5
(wire break) is/are not set.
1:
General error; bit 0 (underrange) or bit 1 (overrange) is/are set.
Register communication
0:
Register communication is disactivated (normal mode).
1:
Register communication is activated.
Bit 3
Bit 2
User
User
Overrange
Under-
range
Process Image
35
Bit 1
Bit 0
Overrange
Under-
range
Manual
Version 1.1.2
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