diff --git a/coordinator/iocontrol.lua b/coordinator/iocontrol.lua
index c66d8d5..31fb9aa 100644
--- a/coordinator/iocontrol.lua
+++ b/coordinator/iocontrol.lua
@@ -22,7 +22,7 @@ local io = {}
 ---@diagnostic disable-next-line: redefined-local
 function iocontrol.init(conf, comms)
     -- pass IO control here since it can't be require'd due to a require loop
-    process.init(iocontrol, comms)
+    process.init(io, comms)
 
     io.facility = {
         auto_active = false,
@@ -71,7 +71,8 @@ function iocontrol.init(conf, comms)
             set_burn = function (rate) process.set_rate(i, rate) end,   ---@param rate number burn rate
             set_waste = function (mode) process.set_waste(i, mode) end, ---@param mode integer waste processing mode
 
-            set_group = function (g) process.set_group(i, g) end,       ---@param g integer|0 group ID or 0
+            set_group = function (grp) process.set_group(i, grp) end,   ---@param grp integer|0 group ID or 0
+            set_limit = function (lim) process.set_limit(i, lim) end,   ---@param lim number burn rate limit
 
             start_ack = function (success) end,                         ---@param success boolean
             scram_ack = function (success) end,                         ---@param success boolean
diff --git a/coordinator/process.lua b/coordinator/process.lua
index b594306..d404e06 100644
--- a/coordinator/process.lua
+++ b/coordinator/process.lua
@@ -48,17 +48,12 @@ function process.reset_rps(id)
     log.debug(util.c("UNIT[", id, "]: RESET RPS"))
 end
 
--- set burn rate or burn limit if part of a group
+-- set burn rate
 ---@param id integer unit ID
 ---@param rate number burn rate
 function process.set_rate(id, rate)
-    if self.io.units[id].group == 0 then
-        self.comms.send_command(UNIT_COMMANDS.SET_BURN, id, rate)
-        log.debug(util.c("UNIT[", id, "]: SET BURN = ", rate))
-    else
-        self.comms.send_command(UNIT_COMMANDS.SET_LIMIT, id, rate)
-        log.debug(util.c("UNIT[", id, "]: SET LIMIT = ", rate))
-    end
+    self.comms.send_command(UNIT_COMMANDS.SET_BURN, id, rate)
+    log.debug(util.c("UNIT[", id, "]: SET BURN = ", rate))
 end
 
 -- set waste mode
@@ -100,6 +95,14 @@ function process.set_group(unit_id, group_id)
     log.debug(util.c("UNIT[", unit_id, "]: SET GROUP ", group_id))
 end
 
+-- set the burn rate limit
+---@param id integer unit ID
+---@param limit number burn rate limit
+function process.set_limit(id, limit)
+    self.comms.send_command(UNIT_COMMANDS.SET_LIMIT, id, limit)
+    log.debug(util.c("UNIT[", id, "]: SET LIMIT = ", limit))
+end
+
 --------------------------
 -- SUPERVISOR RESPONSES --
 --------------------------
diff --git a/coordinator/startup.lua b/coordinator/startup.lua
index c5072d1..dcba605 100644
--- a/coordinator/startup.lua
+++ b/coordinator/startup.lua
@@ -19,7 +19,7 @@ local iocontrol    = require("coordinator.iocontrol")
 local renderer     = require("coordinator.renderer")
 local sounder      = require("coordinator.sounder")
 
-local COORDINATOR_VERSION = "beta-v0.8.6"
+local COORDINATOR_VERSION = "beta-v0.8.7"
 
 local print = util.print
 local println = util.println