SPECIFICATIONS (Cont’d)
14. SE RIAL COM MU NI CA TIONS (Op tional):
Iso la tion To Sig nal In put Com mon: 500 Vrms for 1 min.
Work ing Volt age: 50 V max., CATI
Not iso lated from all other com mons.
Type: Bi- directional 20 mA cur rent loop, 20 mA source pro vided on
trans mit loop. (Pow ers up to 7 units in a loop with in ter nal cur rent source.)
Baud Rate: pro gram ma ble 300 to 2400
Maxi mum ad dress: 99 (Ac tual number in a sin gle loop is lim ited by se rial
hard ware speci fi ca tions.)
Data For mat: 10 bit frame, Odd par ity (one start bit, 7 data bit, one odd
par ity bit, and one stop bit.)
Se rial Hard ware Speci fi ca tions:
SO - Out put Tran sis tor Rat ing: V
max
= 30 VDC, V
SAT
= 1 V
max
at 20 mA.
Note: This will al low up to 28 units maxi mum in each loop.
SI - In put Di ode Rat ing: VF = 1.25 V
TYP
; 1.5 V
max
Note: The com pli ance volt age rat ing of the source must be greater than the
sum of the volt age drops around the loop. (Typi cally a 30 VDC pow ered
source would be ca pa ble of op er at ing be tween 18 and 22 units in a loop.)
15. ALARMS (Op tional):
Solid State: Two, iso lated, sink ing open col lec tor NPN tran sis tors act ing
in par al lel with re lays. V
SAT
= 1 V @ 100 mA max: Vmax = 30 VDC.
Isolation To Signal Input Common: 500 Vrms for 1 min.
Working Voltage: 50 V max., CATI
Not isolated from all other commons.
Re lays:
Isolation To Signal Input Common: 2300 Vrms for 1 min.
Working Voltage: 300 V max., CATII
Type: Form C (2)
Max. Rat ing: 5 Amps @ 120/240 VAC or 28 VDC (re sis tive load), 1/8 hp
@ 120 VAC (in duc tive load).
Re lay Life Ex pec tancy: 100,000 cy cles at Max. Rat ing. (As load level
de creases, life ex pec tancy in creases.)
16. ANA LOG OUT PUT (Op tional): Digi tal scal ing and off set ting
Isolation To Signal Input Common: 500 Vrms for 1 min.
Working Voltage: 50 V max., CATI
Not isolated from all other commons.
4 to 20 mA:
Ac cu racy: 0.1% of full scale
Reso lu tion: 12 bits
Com pli ance Volt age: 10 VDC (500 W max. loop im ped ance)
0 to 10 VDC:
Ac cu racy: ±(0.1% of read ing +35 mV)
Reso lu tion: 12 bits
Min. Load Re sis tance: 10 KW (1 mA max.)
17. LINE AR IZER/PEAK/VAL LEY/TARE (Op tional):
9- segment mul ti ple slope scal ing for non- linear in puts. Peak and Val ley
re cord ing. Sig nal re- zero (tare).
18. CER TI FI CA TIONS AND COM PLI ANCES:
CE Approved
EN 61326-1 Immunity to Industrial Locations
Emission CISPR 11 Class B
Safety requirements for electrical equipment for measurement
control, and laboratory use:
EN 61010-1: General Requirements
RoHS Compliant
Type 4 Enclosure rating (Face only)
IP65 Enclosure rating (Face only)
IP20 Enclosure rating (Rear of unit)
Re fer to the EMC In stal la tion Guide lines sec tion of the man ual for
ad di tional in for ma tion.
19. CON STRUC TION: Die- cast metal front bezel that meets NEMA 4/IP65
re quire ments for in door use when prop erly in stalled. Pol lu tion De gree 2. Case
body is black, high im pact plas tic (panel gas ket and mount ing clips in cluded).
20. CON NEC TION: Re mov able ter mi nal blocks.
21. WEIGHT: 1.2 lbs (0.5 kg)
-43-