GST Addressable Accessories
P-9956-Modbus Configurable RS Modbus Card(UL)
Features
Photoelectric isolation RS232, RS485 and RS422 interfaces.
Supporting for MODBUS RTU communication protocol.
Description
P-9956-Modbus is an optional card for GST-IFP4M control panel, providing photoelectric isolation interfaces of RS232, RS485 and RS422.
This card shouldn’t be inserted and removed when it is energized.
Refer to the control panel manual for following settings. 1) Define the quantity of Modbus cards. 2) The panel address is set to slave rather than main address.
LEDs 1) P-9956-Modbus has RS485, RS422 and RS232 ports. Illuminating HL1 and HL2 mean that a port is fault. 2) Flashing HL1 and HL2 mean that P-9956-Modbus Card works normally.
P-9956-Modbus can be used any port of RS485, RS422 or RS232 through a jumper. The loop shouldn’t exceed 1200m when RS485 or RS422 is used. The loop shouldn’t exceed 15m when RS232 is used.
A P-9956-Modbus can connect with third party devices through RS485, RS422 or RS232. A panel connects up to two P-9956-Modbus cards. Refer to Fig. 2 for installation position.