Wieland samos PRO Manual page 29

Status bits of analog value modules SP-SAR4, SP-SAC4 and SP-SACR22
Table 17: Meaning of status bits of analog value modules SP-SAR4, SP-SAC4 and SP-SACR22
Byte 0
Byte 1
Byte 2
Byte 3
Bits 1, 2 and 14 are available in the logic editor as corresponding status inputs.
Module state bit of the gateways
The module state bits have the following meaning if not otherwise indicated; normally only the first
byte of the total state is transmitted:
0 = error
1 = no error
Table 18: Meaning of gateway module state bits
Bit 7
Byte 0 Reserved
Byte 1
Byte 2
Byte 3
Example
Module 2 (SP-SDIO) has a short-circuit after high (24 V) at output 3. The following module state is
transmitted to the network (only the first 20 of 60 bytes are shown):
Wieland Electric GmbH | BA000970 | 07/2019 [9855]
Bit 7 Bit 6 Bit 5
Reserved Reserved SAC4 and
SACR22:
Voltage
outputs
X1...X4
Reserved Module Reserved Reserved Reserved Reserved Reserved Reserved
state of
input
data
Below Below Below
lower lower lower
limit of limit of limit of
monito- monito- monit.
ring ran- ring ran- range I2
ge ge or R2x
I4 or Rbx 2 I3 or Rax 1
Open Open Open
circuit I4 circuit I3 circuit I2
or Rbx or Rax or R2x
2 1
Bit 6 Bit 5
Module Module
state out- state input
put data data
Bit 4 Bit 3
Configu- Not used
ration (error
state history
flag)
Below Above
lower upper
limit of limit of
monit. monit.
range I1 range I4
or R1x or Rbx
fn:2
Open Short-
circuit I1 circuit I4
or R1x or Rbx
2
Bit 4 Bit 3 Bit 2
Configura- Not used Reserved
tion state (error
history
flag)
Reserved
Reserved
Reserved
Product description
Bit 2 Bit 1 Bit 0
External Internal Not used
module module ("execut-
state state ing sta-
te")
Above Above Above
upper upper upper
limit of limit of limit of
monit. monit. monit.
range I3 range I2 range I1
or Rax 1 or R2x or R1x
Short- Short- Short-
circuit I3 circuit I2 circuit I1
or Rax or R2x or R1x
1
Bit 1 Bit 0
Internal Not used
module ("execut-
state ing state")
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