Register

Status resister | Fault register | Fault unmask register
Status byte register | Service request enable register | Error register

The structure of status data

the DC power supply with analog remote control function | PAM | PMR | PAS | PWR

The structure of status data for DC power supply with analog remote control function

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The structure of status data for PAM series

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The structure of status data for PMR series

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The structure of status data for PAS series

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The structure of status data for PWR series

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Status register, Fault register, and Fault Unmask Register

Bits “1” and “0” of the status register and the status enable register represent “set” and “reset,” respectively. The fault register is read and reset using FAU?.

the DC power supply with analog remote control function | PAM | PWR | PAS | PMR

The structure of status data for DC power supply

Bit | Bit Name | Description
7 | NOT USED | Not used in the controller.
6 | REMOTE | Indicates that the power supply is connected and set at Remote.
5 | OUT | Indicates that the output of the connected power-supply unit is OFF.
4 | POW (Power) | Indicates that power to the connected power-supply unit is OFF.
3 | OHP (Over heat protection) | Indicates that the overheat protection function of the connected power-supply unit is activated
2 | OVP (Over voltage protection) | Indicates that the overvoltage protection function of the connected power-supply unit is acctivated.
1 | C.C (Constant current) | Indicates that the connected power-supply unit is operating at a constant current.
0 | C.V (Constant voltage) | Indicates that the connected power-supply unit is operating at a constant voltage.

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PAM series

Bit | Bit Name | Description
7 | ALM (Alarm) | Indicates that an alarm has occurred (except for OHP and OVP)
6 | OHP (Over heat protection) | Indicates that the overheat protective (OHP) circuit has been activated.
5 | OVP (Over voltage protection) | Indicates that the overvoltage protective (OVP) circuit has been activated.
4 | OUT | Indicates that outputs are OFF.
3 | NOT USED | Not used in the controller.
2 | NOT USED | Not used in the controller.
1 | C.C (Constant current) | Indicates that the connected power-supply unit is operating at a constant current.
0 | C.V (Constant voltage) | Indicates that the connected power-supply unit is operating at a constant voltage.

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PWR series

Bit | Bit Name | Description
7 | OPP (Over power protection) | Indicates that the overpower protection (OPP) has tripped.
6 | PL (Power limit) | Indicates that the PWR is operating under power limitation (PL).
5 | OUT | Indicates that outputs are OFF.
4 | OCP (Over current protection) | Indicates that the overcurrent protection function of the connected power-supply unit is activated
3 | OHP (Over heat protection) | Indicates that the overheat protection function of the connected power-supply unit is activated
2 | OVP (Over voltage protection) | Indicates that the overvoltage protection function of the connected power-supply unit is acctivated.
1 | C.C (Constant current) | Indicates that the connected power-supply unit is operating at a constant current.
0 | C.V (Constant voltage) | Indicates that the connected power-supply unit is operating at a constant voltage.

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PAS series

Bit | Bit Name | Description
7 | NOT USED | Not used in the controller.
6 | NOT USED | Not used in the controller.
5 | OUT | Indicates that outputs are OFF.
4 | OCP (Over current protection) | Indicates that the overcurrent protection function of the connected power-supply unit is activated
3 | OHP (Over heat protection) | Indicates that the overheat protection function of the connected power-supply unit is activated
2 | OVP (Over voltage protection) | Indicates that the overvoltage protection function of the connected power-supply unit is acctivated.
1 | C.C (Constant current) | Indicates that the connected power-supply unit is operating at a constant current.
0 | C.V (Constant voltage) | Indicates that the connected power-supply unit is operating at a constant voltage.

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PWR series

Bit | Bit Name | Description
7 | NOT USED | Not used in the controller.
6 | NOT USED | Not used in the controller.
5 | NOT USED | Not used in the controller.
4 | OHP (Over heat protection) | Indicates that the overheat protection function of the connected power-supply unit is activated
3 | C.C4 (Constant current) | Indicates that the OUTPUT CH4 is operating at a constant current.
2 | C.C3 (Constant current) | Indicates that the OUTPUT CH3 is operating at a constant current.
1 | C.C2 (Constant current) | Indicates that the OUTPUT CH2 is operating at a constant current.
0 | C.C1 (Constant current) | Indicates that the OUTPUT CH1 is operating at a constant current.

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Status byte register and Service request enable register

Bits “1” and “0” of the status byte register and the service request enable register represent “set” and “reset,” respectively.

Bit | Bit Name | Description
7 | PON (Power ON) | Indicates that power has been supplied to the PIA4800 series (except for the PIA4850). Use the DIP switch on the rear panel to specify whether to use this register.
6 | RQS (Request) | Indicates that a service request has been issued. Reset when read using a serial poll.
5 | NOT USED | Not used in the controller.
4 | Reserve | Used by the accompanying software utility.
3 | ERR (Error) | Indicates the occurrence of an error.
2 | SHUT DOWN | Indicates that the SHUT DOWN signal has been applied .
1 | NOT USED | Not used in the controller.
0 | FAU (Fault) | Indicates that a bit of the fault register on a channel has been set.

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Error register

Bit | Bit Name | Description
7 | NOT USED | Not used in the controller.
6 | NOT USED | Not used in the controller.
5 | NOT USED | Not used in the controller.
4 | COMM (Communication) | Represents a communication error.
3 | CONN (Connection) | Indicates that an unrecognized device has been accessed.
2 | VAL (Value) | Represents an error exceeding a value range.
1 | AGMT (Augment) | Represents an argument error.
0 | HEAD (Header) | Represents a header error.

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