diff --git a/config/devices.properties b/config/devices.properties
index 0cb750a..41a2f14 100644
--- a/config/devices.properties
+++ b/config/devices.properties
@@ -8,7 +8,7 @@ jf5=ch.psi.pshell.modbus.AnalogInput|robot_modbus 4||100|
 jf6=ch.psi.pshell.modbus.AnalogInput|robot_modbus 5||100|
 robot_sts=ch.psi.pshell.modbus.AnalogInputArray|robot_modbus 6 6||100|
 robot_cmd=ch.psi.pshell.modbus.AnalogOutput|robot_modbus 12|||
-robot_args=ch.psi.pshell.modbus.AnalogOutputArray|robot_modbus 6 6|||
+robot_args=ch.psi.pshell.modbus.AnalogOutputArray|robot_modbus 16 6|||
 robot_req=ch.psi.pshell.modbus.AnalogOutput|robot_modbus 13|||
 robot_ack=ch.psi.pshell.modbus.AnalogInput|robot_modbus 14|||
 robot_ret=ch.psi.pshell.modbus.AnalogInput|robot_modbus 15|||