7. Interfaces and Communication                                                                                                            
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7.3  About Multi-functional Extension Interfaces
The following table lists extension cards that are available for use with the drive.
Name Model Function Remark
I/O extension card 1 MD38IO1 Provides the following:
 ● Five extra DI terminals.
 ● Analog voltage input AI3 (with 
isolation) for connection to PT100 
or PT1000.
 ● A relay output.
 ● A digital output.
 ● An analog output.
Available for all 
models.
I/O extension card 2 MD38IO2 Provides three extra DI terminals. Available for all 
models.
Modbus communication 
card
MD38TX1 RS485 communication adapter with 
isolation
Available for all 
models.
CANlink communication 
card
MD38CAN1 CANlink communication adapter Available for all 
models.
CANopen communication 
card
MD38CAN2 CANopen communication adapter Available for all 
models.
Probus-DP communication 
card
MD38DP2 Probus-DP communication card Available for all 
models.
User programmable card MD38PC1 User-programmable extension card, 
completely compatible with the 
Inovance H1U series PLC.
Available for all 
models.
Differential encoder interface 
card
MD38PG1 Differential resolver interface card. 
Requires a 5 VDC power supply.
Available for all 
models.
Resolver interface card MD38PG4 For use with a resolver that has an 
excitation frequency of 10 kHz. The 
card has a DB9 interface.
Available for all 
models.
Open-collector encoder 
interface card
MD38PG5 Open-collector encoder interface 
card.
Requires a 15 VDC power supply.
Available for all 
models.
Open-collector encoder 
interface card
MD38PG5D Open-collector encoder interface card 
with optional multiplying frequency 
division output.
Requires a 15 VDC power supply.
Available for all 
models.
Differential encoder interface 
card
MD38PG6 Differential rotary encoder interface 
card
Requires a 5 VDC power supply.
Available for all 
models.
Differential encoder interface 
card
MD38PG6D Differential rotary encoder interface 
card with optional multiplying 
frequency division output.
Requires a 5 VDC power supply.
Available for all 
models.
Multi-functional encoder card MD38PGMD Compatible of differential input, open-
collector input, push-pull input
Supports differential output and open-
collector output
Available for all 
models.
For details of these extension cards, see 
8
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