Goodrive350A series high-performance multifunction VFD
Expansion cards
-388-
A.8 GPRS card (EC-IC501-2)
CN6 pin definition
Pin
Name
Description
1
485-
485B
2
485+
485A
3
GND
Power ground
4
24V
24V power
State indicator definition
The GPRS IoT card has five state indicators.
Indicator
Name
Function
LED1
Handshaking indicator
It blinks at a frequency of 1s when the card
normally connects to the control board.
LED2
Power indicator
It is on upon power on.
LED3
Run indicator
The card communicates normally.
LED4
GPRS state indicator
When GPRS connects to the network, it blinks
fast at a specific interval (with 64ms on and
300ms off); when GPRS does not connect to the
network, it blinks slowly at a specific interval
(with 64ms on and 800ms off).
LED5
State indicator
It is always on when the GPRS module is
powered on.
For details, see the EC series GPRS expansion card manual.