Mitsubishi Electronics FR-S500 instruction manual External thermal relay input Pr to Pr setting

How to use the input signals (assigned terminals

RL, RM, RH, STR)

1.5.6 External thermal relay input: Pr. 60 to Pr. 63 setting "7"

When the external thermal relay or thermal relay built in the motor is actuated, the inverter output is shut off and an alarm signal is given to keep the motor stopped to protect the motor from overheat. Even if the thermal relay contact resets, the motor cannot be restarted unless the reset terminals RES-SD are shorted for more than 0.1s and then opened or a power-on reset is made. The function may therefore be used as an external emergency stop signal input.

	Thermal relay
Inverter
		Motor
U
V			IM
W
OH
SD

1.5.7Jog operation (JOG signal): Pr. 60 to Pr. 63 setting "9"

(1) Jog operation using external signals

Jog operation can be started/stopped by shorting the jog mode select terminals JOG- SD and shorting/opening the start signal terminals STF or STR-SD. The jog frequency and jog acceleration/deceleration time are set in Pr. 15 (factory setting 5Hz, variable between 0 and 120Hz) and Pr. 16 (factory setting 0.5s, variable between 0 and 999s), respectively, and their settings can be changed from the operation panel or parameter unit.

The JOG signal has precedence over the multi-speed signal. (External)

frequency			Jog frequency Pr. 15
				Time
		Forward	3Hz	DC injection brake
	0.5Hz	rotation
Output				Reverse	1
				rotation
Across JOG -SD				ON
Forward rotation		ON			WIRING
Across STF-SD
Reverse rotation				ON
Across STR-SD

35