Tanklevel - Revision history

Sittner: /* SNMP support */

2012-07-14T12:31:16Z

‎SNMP support

Sittner at 14:49, 2 April 2012

2012-04-02T14:49:28Z

Sittner at 14:22, 2 April 2012

2012-04-02T14:22:29Z

Sittner at 13:32, 2 April 2012

2012-04-02T13:32:34Z

Sittner at 13:15, 2 April 2012

2012-04-02T13:15:26Z

Sittner: Created page with "{{i18n|Tanklevel}} {{Module |NAME=Tank level meter |MENUCONFIG={{Applications}}->Tank level meter |STATUS={{stable}} |PINNING=yes |ECMD={{has_ecmd}} |DEPENDS=ECMD, Clock,…"

2012-04-02T13:05:30Z

Created page with "{{i18n|Tanklevel}} {{Module |NAME=Tank level meter |MENUCONFIG={{Applications}}->Tank level meter |STATUS={{stable}} |PINNING=yes |ECMD={{has_ecmd}} |DEPENDS=ECMD, Clock,…"

New page

{{i18n|Tanklevel}}
{{Module
|NAME=Tank level meter
|MENUCONFIG={{Applications}}->Tank level meter
|STATUS={{stable}}
|PINNING=yes
|ECMD={{has_ecmd}}
|DEPENDS=[[ECMD]], [[Clock]], [[ADC]], [[Cron]] (optional)
|REQUIRES=
|CODE=[https://github.com/ethersex/ethersex/tree/master/services/tanklevel https://github.com/ethersex/ethersex/tree/master/services/tanklevel]
}}

@@ Line 101: / Line 101: @@
 If SNMP is enabled the level can be queried by this OID's:
-* .1.3.6.1.4.1.2021.13.23.4.0 = INTEGER: current level in ltr
+* .1.3.6.1.4.1.39967.4.0 = INTEGER: current level in ltr
-* .1.3.6.1.4.1.2021.13.23.4.1 = INTEGER: tank capacity in ltr
+* .1.3.6.1.4.1.39967.4.1 = INTEGER: tank capacity in ltr
-* .1.3.6.1.4.1.2021.13.23.4.2 = INTEGER: timestamp of last measurement (unix date)
+* .1.3.6.1.4.1.39967.4.2 = INTEGER: timestamp of last measurement (unix date)
-* .1.3.6.1.4.1.2021.13.23.4.3 = STRING: timestamp of last measurement (clear text)
+* .1.3.6.1.4.1.39967.4.3 = STRING: timestamp of last measurement (clear text)

← Older revision		Revision as of 14:49, 2 April 2012
Line 96:		Line 96:
	* raise_time - Pump time (in 1/50 secs)		* raise_time - Pump time (in 1/50 secs)
	* hold_time - Hold time before measurement (in 1/50 secs)		* hold_time - Hold time before measurement (in 1/50 secs)
		+
		+	== SNMP support ==
		+
		+	If SNMP is enabled the level can be queried by this OID's:
		+
		+	* .1.3.6.1.4.1.2021.13.23.4.0 = INTEGER: current level in ltr
		+	* .1.3.6.1.4.1.2021.13.23.4.1 = INTEGER: tank capacity in ltr
		+	* .1.3.6.1.4.1.2021.13.23.4.2 = INTEGER: timestamp of last measurement (unix date)
		+	* .1.3.6.1.4.1.2021.13.23.4.3 = STRING: timestamp of last measurement (clear text)

@@ Line 18: / Line 18: @@
 pressure sensor and an relay for the pump. Parameters are configurable by ECMD
 and stored in EEPROM.
 == Mechanical setup ==
@@ Line 44: / Line 78: @@
 == Electrical setup ==
-Electrical Setup is quite simple. Connect the TANK_PUMP port with an relay
+Electrical setup is quite simple. Connect the TANK_PUMP port with an relay
 (usually via an Transistor as current amp) and the output of the Sensor
 with the selected ADC channel (have a look at the datasheet for power supply
@@ Line 51: / Line 85: @@
 [[File:Tanklevel_schem.png|Electrical setup]]

@@ Line 36: / Line 36: @@
   +-------------+
        Tank
 == Electrical setup ==
@@ Line 43: / Line 48: @@
 with the selected ADC channel (have a look at the datasheet for power supply
 decoupling and output filtering). Select a optimal Vref for the ADC if
-possible.
+possible. Schematic could look like this:

← Older revision		Revision as of 13:15, 2 April 2012
Line 10:		Line 10:
	\|CODE=[https://github.com/ethersex/ethersex/tree/master/services/tanklevel https://github.com/ethersex/ethersex/tree/master/services/tanklevel]		\|CODE=[https://github.com/ethersex/ethersex/tree/master/services/tanklevel https://github.com/ethersex/ethersex/tree/master/services/tanklevel]
	}}		}}
		+
		+	Tanklevel provides an application for measurement of tank levels by hydrostatic pressure.
		+
		+	== Internals ==
		+
		+	You need an aquarium air pump, some kind of pipe/tube, a Freescale MPX5050DP
		+	pressure sensor and an relay for the pump. Parameters are configurable by ECMD
		+	and stored in EEPROM.
		+
		+	== Mechanical setup ==
		+
		+	+-------+
		+	\|Sensor \|
		+	+---+---+
		+	\| +--------+
		+	+---------------+-+ Pump \|
		+	\| +--------+
		+	+------+------+
		+	\| \| \|
		+	\| \| \|
		+	\|------\|------\|
		+	\| \| \|
		+	\| \| \|
		+	\| \| \|
		+	+-------------+
		+	Tank
		+
		+	== Electrical setup ==
		+
		+	Electrical Setup is quite simple. Connect the TANK_PUMP port with an relay
		+	(usually via an Transistor as current amp) and the output of the Sensor
		+	with the selected ADC channel (have a look at the datasheet for power supply
		+	decoupling and output filtering). Select a optimal Vref for the ADC if
		+	possible.