Despatch MIC1422 Controller User Manual

Page 79

To Select Remote Setpoint/
Setpoint 1:
Minimum contact resistance (open):

5K ohms

Minimum voltage for (TTL) for " 1 ":

2.0 V

Maximum voltage for "1”:

24.0 V

Maximum input delay (OFF-ON):

0.5 seconds

Minimum input delay (ON-OFF):

0.5 seconds

Isolation:

240 VAC isolation from all setpoints and
inputs except Remote Setpoint

Output Specifications

Output 1

General
Types Available:

Relay (as standard), SSR Driver and DC as options.

Relay
Contact Type:

Single pole double throw SPDT

Rating:

2A resistive at 120/240V AC

Lifetime:

> 500,000 operations at rated voltage/current

Isolation:

Inherent

SSR Driver/TTL
Drive Capability:

SSRD>4.3V DC into 250 ohm minimum

Isolation:

Not isolated from input or other SSR outputs.

DC Resolution:

Eight bits in 250mS (10 bits in 1 second typical, >10 bits in

>1 second typical).

Update Rate:

Every control algorithm execution

Ranges:

0 - 20 mA, 4 - 20 mA, 0 - 10V, and 0 - 5 V
NOTE: Changes between V and mA ranges also require JU movement.

Load Impedance:

0-20 mA: 500 ohm maximum

4 - 20 mA:

500 ohm maximum

0 - 10 V:

500 ohm minimum

0 - 5V:

500 ohm minimum

Isolation:

Isolated from all other inputs and outputs.