MV Move stepper motor relative to current position

Command	Command description	Controller response	Default mode (N/A - not available)	Service Mode (N/A - not available)
xMVy	Move the stepper motor y number of steps relative to current position. Steps sign sets rotation direction. 1 micro step = 1/8 of motor step. Consider trapezoidal and gear mode. Motion command is disabled if Error bit is set. Then reset Error bit and read error code by ER command.	-	Yes	N/A

SYNTAX    xMVy, where x controller address (axis number).
PARAMETER y [number] sets number of micro steps to be moved. 1 micro step = 1/8 of motor step. The sign sets the direction of rotation.
Range    -2000000000...2000000000.
DESCRIPTION: This is main motion command. The command initiates relative motion. When command received, the selected axis x will move, with the predefined acceleration and velocity, to a relative position y micro steps away from the current position. Commands xMV0, xST0 break the command, which was initiated by the previous motion command, and the motor motion stops immediately. Command 0ST0 stops the motion off all axes. Every sequential motion command can overwrite the last motion command during it execution. You must use x? command to test motion status, before sending next motion command to SP1 controller.
Note: MV command is disabled in service mode. In default mode, the controller instantly breaks the motor motion and stops, if hardware limit switch is connected short (the switch testing can be disabled/enabled by RL, LL commands). The case can be tested by x? command, which returns -1. All motion commands remain disabled until error code is read by ER command.
RETURNS  none
REL. COMMANDS SH, OR, OC, ST, SS
EXAMPLES: 5MV200000 ||  1Mv -78000 ||  431 mv -16