MICA-R4 DIO IP20Features

Picture- Industrial Raspberry Pi 4 (CM4)- New processor, up to 2x faster than CM3- Raspberry Pi OS compatible (Ubuntu requres 4GB or more RAM)
- DC12/24V power input- Wide operating temperature range and high noise resistance- M8, M5, ix connectors with high vibration resistance andconnection reliability- Robust aluminum die-cast housing- Supports wall mount and DIN rail mount- On-board eMMC does not use SD memory for boot- microSD slot for data storage- Internal M.2 slot for SSD and WWAN expansion- Raspi40p connector for expansion board- Built-in battery backup RTC- Highly reliable hardware watchdog

Interface

Product Specifications

Details of each part
ANT0PWRE1[FLAN]CSI slit
OPTCN1

USB0

Di LEDDo LED<Back> eMMC write switch

Hole for fix barcket

Pi
USB0
LED
microSD slot

Back cover

Maintenance
port
P LED
A1 LED
E0
A0
LED [GLAN]
USB type-C port

Screw forback cover41

BR 24VDC(V1)
WH 24VDC(V2)BL 0V(V1)
BK 0V(V2)12343
M8 A-coded
4pin MalePin

E0 connector[GLAN]

12345678910ix type-A
jack

1G
BI_DA+
BI_DAGND
BI_DC+
BI_DCBI_DB+
BI_DBGND
BI_DD+BI_DD-

243 4pin Female

3 57Sig Di
nal 0Di Di Di
2 4 64231Pin 24 6

Digital Input(PNP)

Di Di14 Di
Do
12 orCAN
1+

GND

Di
11B

BR TX+
WH RX+BL RXBK TX+Connection side Harness side
- Housing 32-pin: PHDR-32VS- Contact: BPHD/SPHD-001T-P0.5
AWG26...22/Outer diameter Φ1.0...1.5mm- Contact: BPHD/SPHD-002T-P0.5
AWG28...24/ Outer diameter Φ 0.9...1.5mm

21 23 25

Do Do02Do Do
4627RS232(Tx)/RS485(+)

Digital Output(PNP)

8 10 12 14 16* 18 20

Di Di Di Di Di
Sig
1 3 5 7 9nal1234

M8 A-coded
4pin Female

9 11 13 15* 17 19Di Di
8 10A

E1 connector[FLAN]Pin Col. Signal[JST/PHD 32pin connector]

Pin 1

RS485

*1 pin for power output is no output by default.

CN1<CN1 port>

M5

Pin Col. i2c RS232
1 BR 3.3V/5V/none*TXD
2 WH SCL
3 BL 0V(RS232:SG)RXD
4 BK SDA

Signal10/100M
TX+TXN.C.
N.C.
N.C.
RX+RXN.C.
N.C.
N.C.

1

Di Di14 Di Do
13 orDo 1

22 24 26

Do Do
35Do
728

RS232(Rx)/RS485(-)

2931

RS232/ CAN
485 SG 0+

30Di
COM

32CAN0-CAN
DC24V
GND Digital Output(PNP)
1*:This signal changes depending on the can1/2 port selection.

Digital Input(PNP)

The rating per digital output point is 0.1A in the default setting. Make sure that the total current value
does not exceed 1A. For protection, an automatic reset fuse is built into the device.

12 GPIO18
14 Ground
16 GPIO2318 GPIO2420 Ground
22 GPIO2524 GPIO826 GPIO728 ID_SC30 Ground
32 GPIO1234 Ground

36 GPIO1638 GPIO2040 GPIO21GPIO17 11GPIO27 13GPIO22 153.3V 17

GPIO10 19
GPIO9 21
GPIO11 23
Ground 25

ID_SD 27
GPIO5 29
GPIO6 31
GPIO13 33

GPIO19 35
GPIO26 37
Ground 39

GPIO4Ground

2 5V
4 5V
6 Ground
8 GPIO1410 GPIO15<GPIO>[Internal] RasPi GPIO40pin (same layout as Raspberry Pi 40pin BM40B-SRDS-G-TF)

13579Broadcom BCM2711, Quad core @ 1.5GHz
RAM4GB, eMMC32GB (Depend on model)
Raspberry Pi OS
1x PWR: Power input, 2-line
Front
2x LAN: FLAN 1ch, GLAN 1ch
1x OPT: i2c/RS-232/485 selectable
1x USB: USB2.0 Host Type-A
1x CN1: Di16ch[14ch] (PNP)/2.4mA at 24VDC
Do8ch(PNP)/Pushpull0.1A,High-side0.5A
COM 1ch RS-232/RS485(2w)
CAN 1 or 2ch/CAN 2.0B,CAN FD 1Mbps[Option]1x WLAN IEEE 802.11 b/g/n/ac,Bluetooth5.0,BLE[Option]1x LTE(M.2 slot/EM7431)
Back
1x USB-C : USB Type-C(eMMC writing only)
1x SW: eMMC write switch
1x microSD : microSD slot
Internal 1x M.2 slot B-key*, 1x nanoSIM slot
1x CSI, 1xGPIO 40p
LED, Button
P: Power status, A0,1: LAN status, Di/Do,
Pi: User custom/WD error, Di/Do: CN1-Di/Do status
RTC/NVRAM
BR1225[or CR1225] Backup RTC,
MCP79410-I:CR1632 backup RTC, NVRAM
Watchdog
Built-in hardware watchdog
Power/Consumption DC10.7V...28.8V/13.5W(incl. USB 500mAx1)
Temperature
Operating Temp.: -20...60°C, Storage:-25...85°C
Humidity
Operating Humi.:0...95%(non-condensing)IP grade
IP20
housing material
Aluminum powder coatingDimensions
W132 x D87 x H35 mm (excluding protrusions)
Weight
DIO: Approx.570g
Vibration/shock
IEC 60068-2-6 / IEC 60068-2-27
EMI
Radiated emissions
EN55016-2-3
EMS
Electrostatic radiation immunity
EN 61000-4-2
Radio frequency electromagnetic fields EN 61000-4-3
Fast transient burst
EN 61000-4-4
Installation method
DIN rail mounting, wall mounting(Option)*Not a full pin connection. USB2.0, PCIe, SIM are connected.

23.3V
GPIO2
GPIO3

Processor
MemoryOSInterface<Front>OPT connector<Connector pin layout>
PWR connector Pin Col. Signal:System Used(extension board CN10):System Used(extension board CN6)
:System Used(SD)The GPIOs of CM4 are 3.3V level.The total GPIO load is up to 50mA. For
detailed specifications, please refer to the CM4 datasheet.

<LED>Sts.
Comments
LED
P(GR) Off No power supply
On Power OK
A0(OR) Blink E0 active
A1(OR) Blink E1 active
Pi(RD) Off WD Normal
On WD Error
Pi(GR) Off User OFF
On User ON
Di0,1 Off Di OFF
ON Di ON
Do0,1 Off Do OFF
On Do ON

<ANT SMA port> [Option]

TypeANT2--Wired LAN--Wired LAN+LTE--Wired LAN+Wireless LAN
Wired LAN+Wireless LAN+LTE ---<CSI>[Internal]

ANT1---------

ANT0--Main
WL/BT
None

FPC connector

No.1Pin12345678Signal
GND
CAM1_D0_N
CAM1_D0_P
GND
CAM1_D1_N
CAM1_D1_P
GND
CAM1_C_N

All data given are in line with the actual state of art and therefore not binding.
HARTING reserves the right to modify designs without giving the relevant reasons.

Pin910111213141516-30

SignalCAM1_C_P
GND
CAM_GPIO
NC
I2C1_SCL[GPIO45]
I2C2_SDA[GPIO44]
3.3V
NC

MICA-R4 DIO IP20
IO expansion board side device

Internal datails<Top side>

SW2:eMMC write SW←ON
ON:eMMC write mode
OFF*operation mode

<Main board>
CN10GND
1

12+3R3V

211211C251L1IC154

12C74

1C3411C78

1R61 R62

2221C73

2144

155
55

CR46

32

1SW3SW6R45

2266

111344

12C212
11
1099

4266

3
65R67

1415

1C63116 6312212112211088
79221122931

25272321191713151197353232262824222018141612108422121632

313130242111 2

233222133

2120IC821302928272625

211R31R33

211C32R41CN922115141312111719218161619C30
C29

1Lower board

CAN1

MCP2518FD

spidev0.1:can1

Lower board

RTC,NVRAM*1

CP74910i2c-5/0x57,6F

Lower board

RS-232/485

TXD1,RXD1

ttyAMA0

Lower board

CN5CN81 2

1 2 3 41 2 3 4

E1:FLANOPT port power output
selection(solder jumper)<Bottom side>

5V
3.3V

USB0

E0:GLANix Industrial/type-A

Two types of mounting parts options<DIN rail mount adapter><Wall mount kit>

Raspberry Pi
camera module

CN6 M.2 B-key Slot
[Signal connection PCIe Gen2x1,USB2.0,SIM]

wall mountkit mounting hole

Φ4.5

*Default
OPT port comm. selection
SW6: i2c/COM select ↑ON
ON:COM
OFF:i2c↑ON
SW5:COM select
ON:RS-485
OFF:RS-232↑ON
SW4:COM select
ON:RS-485
OFF:RS-232<Main board>Internal DIP switch setting
The board on the left side of MCIA-R4 is the IO board. Only the lower board is mounted on
the DIO model. Analog range and serial communication can be selected by switching the switch.

Lower boardGND

3C7621251C12L1C211IC15

1212442

1C74

2

1

12+3R3V
314

1C3CN1+65

BAT1MPD

VBUS

325964Y132114IC16

12

3

222

13

1

1
114

1

7TP1

756
1C80

148

13

1R2142

1105

11C79

SW52821778

122SW

11

BU-1632SM-JJ-G

Switch setting listC682ON

1R542L22211111122113SW5C51

14211C812191082CN5ON134122210116521121CN101228221174433 44 45 46 47 48 49 50 51 52 53 54 55 556 642

SW14403938

3736353433323130

11R61 R62

88

221C73R63

212182277IC1221644

1C155
55

R44R45R46

32SW34SW611655

522R43

1C78

1212221C67C68213212125

126
27

1257

2223242282302928272625

23 224 4221933

20 21

IC929

2122211111177 18
16151413121121543232

3132

1222C

14

11R122876C36

125

1R50

233765432131211109841

15161718192021IC101912114221C 53

151416

12SW2C

11C65
C66

R2C27F116C77

12ON

1810R55

19C56
C57

R47

ONR42

2C58R13R14R15928

929R49R48

1042

151516C54C55

C 59

R12R11R56

C52

2266

31121344

1102992C2111212366

1091615131211

144

33

5IC8293127

2325

30

21

17

19

15

11

13

571932

28

24

26

22

18

20

1612

14

106

84230

2928

26

3

311 2225

3132

32

121

1221

122

7226111920
21
22
23
24
2

1

122R412R35
R34R30

121R31R33

1188

17211821231

16C321C30C29C31CN31927121R37

DI_RDYONON

3R36232C2524

R328R40SW41C60 C64IC11R3917R38R67

141521111116 623C62C63

1C61

SW1 SW2 SW396

Optional accessories

BR1225 orCR1225 Battery

C550.5

Hardware watchdog Timer or
CSI selection switch
SW1: Select GPIO44,45↑ON
ON*: Watchdog
OFF: CSI(i2c)(Unit: mm)

132

37.5

OPT port

PWR port

CSI
Maintenanceport(internal)

14 2 3

USB2.0Type-A

C48

RS232 3w Max.250kbps

Dimensions and installation adapter

CN41 2 3 41 3 2 42 1 3 4

SW3:Protect SWON→
1: Watchdog
ON: Disabled
OFF*: Enabled
2: Wi-Fi
ON: turn off
OFF: turn on
3: Bluetooth
ON: turn off
OFF: turn on
4: EEPROM write
ON: disabled
OFF*: Enabled

8221288

17

R63

6255

54R44

1

R37

2

12CN32ONO
N

312

1SW4C

8

R34

R30

1

spidev0.0:can035

1

C60 C64

IC11

R36
R35

32C31

MCP2518FD

6.2

932

1C67C6812182271126151413121110IC1211177 18

19201R4312212425

R32

Lower board

CAN0

9.88135CN1076121821222101124SW1321122 23

221133C61

3C62

R40

Lower board[1.1/0 JP selectable]

spidev1.1

87

71

1R54
22122141112214433 44 45 46 47 48 49 50 51 52 53 54 55 556 6424140

39383736

35

34

33

32

2125224 41257

212223242

12627

128223130

292

11124322827262532313230

2925

162C211R11SW3F114R2C65C66

R39

spidev1.0/1---

CN14Y13211114TP12ON

12L22654321110987212113121412019181716151587652C36

1R50

13C77

1617R38

MCP23S17Spare

213112111132C 53

1614IC101C

1CN12CN132ON

SW2

12R55

1C56
C57

2C58

42

189CN3B

CN19IC9R12R11R13R14R15ON

19Do0...Do728177962110512114IC161232561C80

7829101C81
1214

SW5C 59

1029

R48
R47

Lower board

RS485 2w Max.500kbps

1228R42R49

Comments

spidev1.0/0*1 When using MCP79410 on the Raspberry Pi OS side, NVRAM cannot be connected on the Codesys side.

C68C51

C54
C55

C27

DI_RDY

nanoSIM
Slot(to M.2)

Port or connection

MCP23S17

C5ON

R56

15

15

162

CN7

DeviceDi0...Di156+2

1

1C79

34R21

14

CN5C48C52

2CN3A

5BAT1MPD

VBUS

3258122U.FL
connector

43BU-1632SM-JJ-G

11C122213C76

2SignalmicroSD
SlotUSB
Type-C

SW6NameSetting

SW1 Do Sig. OFF*:PushPull High 0.1A
select
ON:Highside Low 0.5A
OFF:RS-232C
SW2 RS
comm.
ON*:RS-485
OFF:RS-232C
SW3 RS
comm.
ON*:RS-485
OFF:Terminator OFF
SW4 CAN0
terminator ON*:Terminator ON
OFF:Terminator OFF
SW5 CAN1terminator ON*:Terminato ON
SW6 CAN/Di Switchable by product model
selectOFF*:1port(CAN1not implemented)
ON:2port(CAN0,1implemented)* :Default configuration

SW4For wireless LAN/Bluetooth[Incl. wireless model W]Antenna IP20
SMA screw direct

LTE monopole antenna[LTE model option]
IP20
SMA screw direct
72MICA0000224
TG.09.0113

Part Number
21348100489010
21348100489020
72M8M4RM4010LI
72M8M4RM4020LI
72T17001449
72M5M4010G0
72M5M4020G0
33480653830010
33480653830020
72T17001450IX
20952000004
20953000007
72MICA0000224
72MICA0000225
72MICA0000226

LTE flat antenna[LTE model option]
IP67/cable 1m
Attached to glass orresin surface
72MICA0000225
GSA.8835.A.101111

Ordering information

Device List
Main board side device

Optional accessories
1mPWR
M8 A-code2m
cable
4-pin female to open end
1m
E1[FLAN] M8 A-code 4 pin male2m
cable
to RJ45 Plug
0.2m
to RJ45 Jack1m
OPT
M5 4-pin male to open end
2m
cable
1m
E0[GLAN] ix plug
to RJ45 plug2mix cable
0.2m
to RJ45 Jack
mount
DIN rail mount adapter
kitwall mount kit
Antenna
LTE monopole antenna IP20
fot LTELTE flat antenna IP67
GPS/LTE combination antenna IP67

2: CM4 IP20 type
R : Wired
W: WirelessSignalDevicePort or connection

Comments

E0:GLAN

CM4eth010/100/1000Mbps

E1:FLANLAN9514i

eth1

10/100Mbps

Security IC

ATECC508A

i2c-0/0x60*

i2c0: GPIO0,1

RTC

DS3231SN

i2c-0/0x68

i2c0: GPIO0,1

OPT:i2c

CM4/GPIO0,1

i2c-0/---

i2c0: GPIO0,1

OPT:RS-232

MCP2200-I

ttyACM03-wire, max. 250kbps

OPT:RS-485

MCP2200-I

ttyACM02-wire, max. 400kbps

CSI:i2c

CM4/GPI44,45

GPIO44,45/i2c-1

i2c1: GPIO44,45 / when not using WD

CSI

CM4/CAM1CAM1MIPI CSI-2 2-lanes

WD Enable

MAX6373KA+T

GPIO44/Out

SET0 (SET1: Always High, SET2: Always Low)

WD Reset

MAX6373KA+T

GPIO45/Out

WDI(option)* Not recognized at i2c bus speed of 400kHz or higher. Therefore, it does not conflict with MCP4728.

revision number[Part Number] 722RJD1 0 0 0R3 3 0 DIO model

GPS/LTE combination antenna[LTE model option]
IP67/cable 3m
Panel-through-mounting
72MICA0000226
MA111.C.LB.001

RAM size [GB]
1 1
2 2
3 4[standard]
4 8eMMC size [GB]
1 8
2 16
3 32[standard]
4 32/SSD128GB
5 32/SSD256GB
6 32/SSD512GB

Expansion interface
COM port, CAN port
1 RS-232Cx1, CANx1port
2 RS-485x1, CANx1port [standard]
4,5,6: NVMe fast SSD
3 RS-232Cx1, CANx2port(Temperature 0-55°C)
4 RS-485x1, CANx2port
Accessory
When selecting CodeSys, please use
32bit OS. If you select 64bit, the license
Add-on software
0 None[standard]
key will not be the Raspberry Pi version
0 None[standard]
1 Reserved
and you will not be able to use it.
1 CodeSys
L LTEOption (OPT)interface
1 RS-232C[standard]
2 I2C
3 RS-485

All data given are in line with the actual state of art and therefore not binding.
HARTING reserves the right to modify designs without giving the relevant reasons.