Environment Variables

Client Environment Variables

Variable

Default

Description

CAPROTO_DEFAULT_TIMEOUT

2.0

The default timeout to use for client connections and reading.

CAPROTO_STRING_ENCODING

“latin-1”

The default string encoding to use.

EPICS_CA_ADDR_LIST

‘’

The client address list.

EPICS_CA_AUTO_ADDR_LIST

‘YES’

Whether or not to automatically determine the address list.

EPICS_CA_CONN_TMO

30.0

Connection timeout.

EPICS_CA_BEACON_PERIOD

15.0

Beacon broadcast period.

EPICS_CA_REPEATER_PORT

5065

Port for the repeater.

EPICS_CA_SERVER_PORT

5064

Default port for the server.

EPICS_CA_MAX_ARRAY_BYTES

16384

Max bytes as a client. Caproto does not support this.

EPICS_CA_MAX_SEARCH_PERIOD

300

Maximum search period.

EPICS_TS_MIN_WEST

360

Caproto does not support this.

Server Environment Variables

Variable

Default

Description

EPICS_CAS_SERVER_PORT

5064

Default server port.

EPICS_CAS_AUTO_BEACON_ADDR_LIST

‘YES’

Automatically determine beacon address lists.

EPICS_CAS_BEACON_ADDR_LIST

‘’

Manual beacon address list.

EPICS_CAS_BEACON_PERIOD

15.0

Beacon broadcast period.

EPICS_CAS_BEACON_PORT

5065

Beacon UDP port.

EPICS_CAS_INTF_ADDR_LIST

‘’

Interfaces to listen on.

EPICS_CAS_IGNORE_ADDR_LIST

‘’

Interfaces to igonre.

pvAccess Environment Variables

Variable

Default

Description

EPICS_PVA_DEBUG

0

Caproto does not support this; use logger levels.

EPICS_PVA_ADDR_LIST

‘’

Client address list.

EPICS_PVA_AUTO_ADDR_LIST

‘YES’

Automatically determine client address list.

EPICS_PVA_CONN_TMO

30.0

Connection timeout.

EPICS_PVA_BEACON_PERIOD

15.0

Beacon period.

EPICS_PVA_BROADCAST_PORT

5076

Port used for broadcast requests.

EPICS_PVA_MAX_ARRAY_BYTES

16384

Maximum array bytes. Caproto does not use this.

EPICS_PVA_SERVER_PORT

5075

Default server port.

pvAccess Server Environment Variables

Variable

Default

Description

EPICS_PVAS_BEACON_ADDR_LIST

‘’

Beacon address list.

EPICS_PVAS_AUTO_BEACON_ADDR_LIST

‘YES’

Automatically determine beacon address list.

EPICS_PVAS_BEACON_PERIOD

15.0

Beacon broadcast period.

EPICS_PVAS_SERVER_PORT

5075

Default server port.

EPICS_PVAS_BROADCAST_PORT

5076

Default broadcast port.

EPICS_PVAS_MAX_ARRAY_BYTES

16384

Maximum array bytes. Caproto ignores this.

EPICS_PVAS_PROVIDER_NAMES

‘local’

Unsupported.

EPICS_PVAS_INTF_ADDR_LIST

‘’

Interface list to listen on.

EPICS_PVA_PROVIDER_NAMES

‘local’

Unsupported.

IOC Helper Environment Variables

Variable

Default

Description

ENGINEER

“”

The engineer to report as owner of the IOC.

LOCATION

“”

The location to report in IOC stats.