2

Option

R1

T1

SSR

A0

RTU

Main Function

Relay Output

Transistor Output

SSR Control

Output

Analog Output

Modbus Rtu

Characteristics 3 terminals (NC,

NO, common)

250 Vac, max. 8A

Open Collector

Output to control

SSR relay with

DC signal I/P

Output 4 to 20 mA

active or passive.

0 to 10 Vdc

Function 4 Read_

Input_Registers

Isolation

3500 Vac

3500 Vdc

opto-isolated

1000 Vdc

Specification

Max. current: 8 A

(resistive load).

Max. Voltage:

250 Vac

continuous

Type of output:

Transistor.

Max voltage:

35 Vdc.

Max. current:

50 mA.

opto-isolated

Type of output:

DC Pulse

Output voltage:

+15 Vdc

Max. current:

45 mA

Load

impedances:

≤350 Ω (for

4 to 20 mA

active) ≤800 Ω

(passive)

Max. external

voltage: 27 Vdc.

≥10 K Ω 0 to

10 Vdc

Accuracy: <0.1%

FS.

Thermal stability:

60 ppm/ºC mA;

50 ppm/ºC Vdc.

Step response:

<75mS (to 99%).

Factory default

setting: 0-9999 =

4 to 20 mA

On error: FS

Addresses:

01 to 247.

Bus: RS485.

Speed: 57.6 Kbps

to 600 bps.

Data format: 8e1

(standard), 8o1,

8n2.

Factory

configuration:

Address 1;

Speed 19.2 Kbps;

Format 8e1;

Decimal point

Auto

Option

S4

S2

R4

R6

Main Function

RS485 ASCII

RS232 ASCII

4 Relays

6 Relays

Characteristics

ASCII Protocol

Retransmission of

signal to allow

“Daisy Chaining”

3 terminals (NC, NO,

common) 250 Vac,

max. 6A

3 terminals (NC, NO,

common) 250 Vac,

max. 6A

Isolation

1000 Vdc

2500 Vac

Specification

Speed: 57.6 Kbps to

600 bps.

Data format: 8n1,

8o1, 8n2, 8e1.

Bus terminator: not

included.

Protocol: ASCII.

Architecture: master

- slave.

Addresses: 01 to 31.

Broadcast address:

128.

Factory

configuration:

Mode Slave;

Address 1;

Speed 19.2 Kbps;

Format 8n1;

Decimal point Auto;

Mode Master;

Destination

address 31;

Frequency 0.5 sec;

Decimal point Auto;

Answer delay 0 mS.

Speed: 57.6 kbps to

600 bps.

Data format: 8n1

(standard), 8o1, 8n2,

8e1.

Protocol: ASCII.

Architecture: master

- slave.

Address: 01 to 31.

Broadcast address:

128

Max. current: 6 A

(resistive load).

Occupies 2 option

slots.

3rd slot only

available for AO,

RTU, S4 or S2

Max. current: 6 A

(resistive load).

Occupies all 3 option

slots.

No other options

available.

Output and Communications Options (Up to 3 slots, field installable)