{"id":1799,"date":"2025-04-14T06:24:47","date_gmt":"2025-04-14T06:24:47","guid":{"rendered":"https:\/\/webprojects.cloud\/wordpress\/splatco\/?post_type=spl_knowledgebase&p=1799"},"modified":"2025-06-10T08:29:06","modified_gmt":"2025-06-10T08:29:06","slug":"spice10211-analog-outputs","status":"publish","type":"spl_knowledgebase","link":"https:\/\/webprojects.cloud\/wordpress\/splatco\/knowledgebase\/product-documentation\/product-documentation-spice-add-on-boards\/spice10211-analog-i-o\/spice10211-analog-outputs\/","title":{"rendered":"SPice10211: Analog outputs"},"content":{"rendered":"\n
\"\"<\/figure>\n\n\n\n

The above picture shows the SPice10211 analog output connections. Each output can generate a 0-10V signal, with a maximum load current of 5mA, corresponding to a 2KOhm load. The outputs have internal current limiting (which is not the same as being short circuit proof!).<\/p>\n\n\n\n

Note: Which actual analog inputs and outputs the board maps to depends on which model of SPLat controller it is attached to. The mapping is detailed under\u00a0Programming<\/a>.<\/p>\n\n\n\n

NOTE: Analog output 2 is shared with the thermistor drive circuit. If you are using a thermistor you cannot independently use analog output 2. In the case of the SL99 and\u00a0MMi99<\/a>\/200 this also applies if you are using thermistors on the main board.<\/p>\n\n\n\n

The analog output voltage is a positive voltage measured with respect to the 0V terminal. It is programmed using the analog output instructions. With X<\/a>=0 this will result in 0V out, with X=255 it will result in 10V out.<\/p>\n\n\n\n

The output resolution is 10 bits (1024 steps between 0 and full scale). The output is generated as a filtered pulse width modulated (PWM) signal. The filter consists of a simple 100mS RC low pass filter. For a full scale step output change, say from 0V to 10V, this will take 230mS to settle to within 10% of the full change, 450mS to settle to 1% and 550mS to settle to 0.4% (= 1 bit, i.e. the resolution of the system).<\/p>\n\n\n\n

How to blow up the analog outputs<\/h6>\n\n\n\n

Here are some ways of blowing up the analog outputs:<\/p>\n\n\n\n

    \n
  1. Connect the output to any positive voltage over 10V and program a 0V output.<\/li>\n\n\n\n
  2. Short the output to 0V for extended periods of time (it\u00a0may<\/em>\u00a0survive)<\/li>\n<\/ol>\n\n\n\n

    Connect the output to a negative voltage, even momentarily.<\/p>\n","protected":false},"excerpt":{"rendered":"

    The above picture shows the SPice10211 analog output connections. Each output can generate a 0-10V signal, with a maximum load current of 5mA, corresponding to…<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":1794,"menu_order":3,"template":"","class_list":["post-1799","spl_knowledgebase","type-spl_knowledgebase","status-publish","hentry"],"acf":[],"yoast_head":"\nSPice10211: Analog outputs - SPLat Controls<\/title>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"SPice10211: Analog outputs - SPLat Controls\" \/>\n<meta property=\"og:description\" content=\"The above picture shows the SPice10211 analog output connections. 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